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Combined display of all available logs of RevSpace. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).
- 17:56, 14 July 2023 Mahjongg talk contribs uploaded File:TZXDuino pico schematic rev 1.3.pdf
- 17:56, 14 July 2023 Mahjongg talk contribs created page File:TZXDuino pico schematic rev 1.3.pdf
- 00:26, 7 July 2023 Mahjongg talk contribs uploaded File:Sherry MX1A-E1NW keyboard preview.jpg
- 00:26, 7 July 2023 Mahjongg talk contribs created page File:Sherry MX1A-E1NW keyboard preview.jpg
- 00:22, 7 July 2023 Mahjongg talk contribs uploaded File:Sherry MX1A-E1NW keyboard.pdf
- 00:22, 7 July 2023 Mahjongg talk contribs created page File:Sherry MX1A-E1NW keyboard.pdf
- 00:25, 23 June 2023 Mahjongg talk contribs uploaded File:CHERRY MX1A-E1NN 01.png
- 00:25, 23 June 2023 Mahjongg talk contribs created page File:CHERRY MX1A-E1NN 01.png
- 00:00, 23 June 2023 Mahjongg talk contribs uploaded File:Result.JPG
- 00:00, 23 June 2023 Mahjongg talk contribs created page File:Result.JPG
- 23:55, 22 June 2023 Mahjongg talk contribs uploaded File:Program.JPG
- 23:55, 22 June 2023 Mahjongg talk contribs created page File:Program.JPG
- 23:16, 28 May 2023 Mahjongg talk contribs uploaded File:Screw problem.JPG
- 23:16, 28 May 2023 Mahjongg talk contribs created page File:Screw problem.JPG
- 23:04, 28 May 2023 Mahjongg talk contribs uploaded File:Only top with joystick port.JPG
- 23:04, 28 May 2023 Mahjongg talk contribs created page File:Only top with joystick port.JPG
- 21:54, 28 May 2023 Mahjongg talk contribs uploaded File:Joystick works.JPG
- 21:54, 28 May 2023 Mahjongg talk contribs created page File:Joystick works.JPG
- 21:50, 28 May 2023 Mahjongg talk contribs uploaded File:Keyboard on top of case.JPG
- 21:50, 28 May 2023 Mahjongg talk contribs created page File:Keyboard on top of case.JPG
- 21:37, 28 May 2023 Mahjongg talk contribs uploaded File:Its a bit wobbly.JPG
- 21:37, 28 May 2023 Mahjongg talk contribs created page File:Its a bit wobbly.JPG
- 21:33, 28 May 2023 Mahjongg talk contribs uploaded File:Consists of three layers dual sided tape.JPG
- 21:33, 28 May 2023 Mahjongg talk contribs created page File:Consists of three layers dual sided tape.JPG
- 21:28, 28 May 2023 Mahjongg talk contribs uploaded File:Sticky Ridge around keyboard .JPG
- 21:28, 28 May 2023 Mahjongg talk contribs created page File:Sticky Ridge around keyboard .JPG
- 23:21, 16 May 2023 Mahjongg talk contribs uploaded File:It works.JPG (after I resoldered R49 it worked!)
- 23:21, 16 May 2023 Mahjongg talk contribs created page File:It works.JPG (after I resoldered R49 it worked!)
- 04:02, 10 May 2023 Mahjongg talk contribs moved page Buiding up ZX81+38 revision 1,9 to Buiding up and testing the ZX81+38 revision 1,9 (also debugging is sometimes needed)
- 14:44, 7 May 2023 Mahjongg talk contribs created page Buiding up ZX81+38 revision 1,9 (Created page with "{{Project |Name=Building up the ZX81+38 |Picture=plaatje dat je geupload hebt op de wiki |Omschrijving=A manual on how to build the ZX81+38 |Status=Initializing |Contact...")
- 14:41, 7 May 2023 Mahjongg talk contribs uploaded File:2N3904 bent and cut for easy insertion.jpeg (Bent the middle pin out, and cut one of the outer pins so pins have different lengths for ease of insertion in PCB)
- 14:41, 7 May 2023 Mahjongg talk contribs created page File:2N3904 bent and cut for easy insertion.jpeg (Bent the middle pin out, and cut one of the outer pins so pins have different lengths for ease of insertion in PCB)
- 22:53, 6 May 2023 Mahjongg talk contribs uploaded File:Opgebouwd maar niet werkend.JPG (Eerste test gaf geen beeld, er zat een breuk in de RCA conector omdat ik de plug er in moest wrikken, maar ook na repareren plug geen beeld!)
- 22:53, 6 May 2023 Mahjongg talk contribs created page File:Opgebouwd maar niet werkend.JPG (Eerste test gaf geen beeld, er zat een breuk in de RCA conector omdat ik de plug er in moest wrikken, maar ook na repareren plug geen beeld!)
- 20:40, 2 May 2023 Mahjongg talk contribs uploaded a new version of File:ZX81+38 rev 1.9 component placement.png (Moved 15pF capacitors below crystal, and RP1 is a 10K resistor packet)
- 00:26, 26 April 2023 Mahjongg talk contribs uploaded File:Then all ceramic caps.JPG (after the IC's mount the ceramic IS's)
- 00:26, 26 April 2023 Mahjongg talk contribs created page File:Then all ceramic caps.JPG (after the IC's mount the ceramic IS's)
- 23:27, 25 April 2023 Mahjongg talk contribs uploaded File:With ICs mounted.JPG (next step mount the IC's)
- 23:27, 25 April 2023 Mahjongg talk contribs created page File:With ICs mounted.JPG (next step mount the IC's)
- 23:17, 18 April 2023 Mahjongg talk contribs uploaded File:Low components first.jpg (start with the lower components)
- 23:17, 18 April 2023 Mahjongg talk contribs created page File:Low components first.jpg (start with the lower components)
- 23:15, 18 April 2023 Mahjongg talk contribs uploaded File:Kristal legs bent.JPG
- 23:15, 18 April 2023 Mahjongg talk contribs created page File:Kristal legs bent.JPG
- 23:12, 18 April 2023 Mahjongg talk contribs uploaded File:Diodes op zx81+38.JPG (buig diodes met de hand of met een tooltje zoals dit)
- 23:12, 18 April 2023 Mahjongg talk contribs created page File:Diodes op zx81+38.JPG (buig diodes met de hand of met een tooltje zoals dit)
- 23:11, 18 April 2023 Mahjongg talk contribs uploaded File:Buigtool diodes.JPG (buig diodes met de hand of met een tooltje zoals dit)
- 23:11, 18 April 2023 Mahjongg talk contribs created page File:Buigtool diodes.JPG (buig diodes met de hand of met een tooltje zoals dit)
- 23:18, 4 April 2023 Mahjongg talk contribs uploaded File:NABU Dig-Dug.JPG
- 23:18, 4 April 2023 Mahjongg talk contribs created page File:NABU Dig-Dug.JPG
- 23:15, 4 April 2023 Mahjongg talk contribs uploaded File:NABU penguin adventure.JPG
- 23:15, 4 April 2023 Mahjongg talk contribs created page File:NABU penguin adventure.JPG
- 23:13, 4 April 2023 Mahjongg talk contribs uploaded File:NABU werkend.JPG
- 23:13, 4 April 2023 Mahjongg talk contribs created page File:NABU werkend.JPG
- 23:10, 4 April 2023 Mahjongg talk contribs uploaded File:NABU RS422 cable.JPG
- 23:10, 4 April 2023 Mahjongg talk contribs created page File:NABU RS422 cable.JPG
- 21:30, 28 March 2023 Mahjongg talk contribs uploaded File:Crimped anew with two +12V and one +5V wires.JPG
- 21:30, 28 March 2023 Mahjongg talk contribs created page File:Crimped anew with two +12V and one +5V wires.JPG
- 21:20, 28 March 2023 Mahjongg talk contribs uploaded File:Working, but no adapter yet.JPG
- 21:20, 28 March 2023 Mahjongg talk contribs created page File:Working, but no adapter yet.JPG
- 22:56, 25 March 2023 Mahjongg talk contribs uploaded File:Blanco screen at first test.JPG
- 22:56, 25 March 2023 Mahjongg talk contribs created page File:Blanco screen at first test.JPG
- 22:27, 25 March 2023 Mahjongg talk contribs uploaded File:NABU new power supply.JPG
- 22:27, 25 March 2023 Mahjongg talk contribs created page File:NABU new power supply.JPG
- 22:08, 25 March 2023 Mahjongg talk contribs uploaded File:NABU old fan and PSU disassembled.JPG
- 22:08, 25 March 2023 Mahjongg talk contribs created page File:NABU old fan and PSU disassembled.JPG
- 02:06, 25 March 2023 Mahjongg talk contribs uploaded File:Underside NABU PCB.png
- 02:06, 25 March 2023 Mahjongg talk contribs created page File:Underside NABU PCB.png
- 00:34, 23 March 2023 Mahjongg talk contribs uploaded File:NABU main board.jpeg
- 00:34, 23 March 2023 Mahjongg talk contribs created page File:NABU main board.jpeg
- 00:27, 23 March 2023 Mahjongg talk contribs uploaded File:Keyboard fits on ZX-81 seen from front cropped.jpg
- 00:27, 23 March 2023 Mahjongg talk contribs created page File:Keyboard fits on ZX-81 seen from front cropped.jpg
- 00:15, 23 March 2023 Mahjongg talk contribs uploaded File:Keyboard on new PCB mounted on ZX-81.jpeg
- 00:15, 23 March 2023 Mahjongg talk contribs created page File:Keyboard on new PCB mounted on ZX-81.jpeg
- 00:30, 22 March 2023 Mahjongg talk contribs uploaded File:ZX81+38keyboard .JPG
- 00:30, 22 March 2023 Mahjongg talk contribs created page File:ZX81+38keyboard .JPG
- 00:23, 22 March 2023 Mahjongg talk contribs uploaded File:ZX81+38keyboard seen from top.JPG
- 00:23, 22 March 2023 Mahjongg talk contribs created page File:ZX81+38keyboard seen from top.JPG
- 00:12, 22 March 2023 Mahjongg talk contribs uploaded File:NABU CPU and PSG.JPG
- 00:12, 22 March 2023 Mahjongg talk contribs created page File:NABU CPU and PSG.JPG
- 00:12, 22 March 2023 Mahjongg talk contribs uploaded File:NABU IO logic.JPG
- 00:12, 22 March 2023 Mahjongg talk contribs created page File:NABU IO logic.JPG
- 00:11, 22 March 2023 Mahjongg talk contribs uploaded File:NABU serial interfaces.JPG
- 00:11, 22 March 2023 Mahjongg talk contribs created page File:NABU serial interfaces.JPG
- 00:10, 22 March 2023 Mahjongg talk contribs uploaded File:NABU video section.JPG
- 00:10, 22 March 2023 Mahjongg talk contribs created page File:NABU video section.JPG
- 23:57, 21 March 2023 Mahjongg talk contribs uploaded File:NABU keyboard controller.JPG
- 23:57, 21 March 2023 Mahjongg talk contribs created page File:NABU keyboard controller.JPG
- 23:41, 21 March 2023 Mahjongg talk contribs uploaded File:NABU opened.JPG
- 23:41, 21 March 2023 Mahjongg talk contribs created page File:NABU opened.JPG
- 23:34, 21 March 2023 Mahjongg talk contribs uploaded File:NABU empty netwerk box.JPG
- 23:34, 21 March 2023 Mahjongg talk contribs created page File:NABU empty netwerk box.JPG
- 23:31, 21 March 2023 Mahjongg talk contribs uploaded File:Backside of network adapter and NABU PC.JPG
- 23:31, 21 March 2023 Mahjongg talk contribs created page File:Backside of network adapter and NABU PC.JPG
- 23:20, 21 March 2023 Mahjongg talk contribs uploaded File:The complete NABU with manual on top.JPG
- 23:20, 21 March 2023 Mahjongg talk contribs created page File:The complete NABU with manual on top.JPG
- 23:14, 21 March 2023 Mahjongg talk contribs uploaded File:Unboxing the NABU PC shows the keyboard first.JPG
- 23:14, 21 March 2023 Mahjongg talk contribs created page File:Unboxing the NABU PC shows the keyboard first.JPG
- 23:00, 21 March 2023 Mahjongg talk contribs uploaded File:The NABU Boxes.JPG
- 23:00, 21 March 2023 Mahjongg talk contribs created page File:The NABU Boxes.JPG
- 14:46, 19 March 2023 Mahjongg talk contribs created page Canadian NABU retro computer conversion to RGB out and 220V 50Hz (Created page with "{{Project |Name=NABU conversion |Picture=plaatje dat je geupload hebt op de wiki |Omschrijving=conversion to Euro version of the NABU PC |Status=Initializing |Contact=Mah...")
- 16:50, 10 January 2023 Mahjongg talk contribs created page File:Preview top copper of TZXDuino-pico.png
- 16:50, 10 January 2023 Mahjongg talk contribs uploaded File:Preview top copper of TZXDuino-pico.png
- 14:40, 10 January 2023 Mahjongg talk contribs uploaded File:TZXDuino-pico preview.png
- 14:40, 10 January 2023 Mahjongg talk contribs created page File:TZXDuino-pico preview.png
- 00:22, 10 January 2023 Mahjongg talk contribs uploaded a new version of File:TZXDuino pico schematic.png
- 00:20, 10 January 2023 Mahjongg talk contribs uploaded a new version of File:TZXDuino pico schematic.pdf (rotated card holder & 0805 resistors)
- 23:37, 18 December 2022 Mahjongg talk contribs uploaded File:P1030335.JPG (here you can see the TZXDuino-Pico fitted inside the spectrum.)
- 23:37, 18 December 2022 Mahjongg talk contribs created page File:P1030335.JPG (here you can see the TZXDuino-Pico fitted inside the spectrum.)
- 14:26, 26 October 2022 Mahjongg talk contribs uploaded File:TZXDuino Pico 3D preview.PNG
- 14:26, 26 October 2022 Mahjongg talk contribs created page File:TZXDuino Pico 3D preview.PNG
- 14:46, 11 October 2022 Mahjongg talk contribs uploaded File:TZXDuino pico-F Cu.pdf (top pads to check footprints)
- 14:46, 11 October 2022 Mahjongg talk contribs created page File:TZXDuino pico-F Cu.pdf (top pads to check footprints)
- 13:38, 11 October 2022 Mahjongg talk contribs uploaded File:TZXDuino pico schematic.png
- 13:38, 11 October 2022 Mahjongg talk contribs created page File:TZXDuino pico schematic.png
- 13:29, 11 October 2022 Mahjongg talk contribs uploaded File:TZXDuino pico schematic.pdf
- 13:29, 11 October 2022 Mahjongg talk contribs created page File:TZXDuino pico schematic.pdf
- 14:52, 8 October 2022 Mahjongg talk contribs created page TZXDuino pico (Created page with "For the national VideoGame Museum in Zoetermeer, I'm designing a version of the TZXDuino (a cassette replacement device) that is stripped down so much that it fits INSIDE a ZX...")
- 23:44, 27 September 2022 Mahjongg talk contribs uploaded File:Rock-Crush.JPG
- 23:44, 27 September 2022 Mahjongg talk contribs created page File:Rock-Crush.JPG
- 23:33, 20 September 2022 Mahjongg talk contribs uploaded File:ZX81+38 loading from cassette.JPG
- 23:33, 20 September 2022 Mahjongg talk contribs created page File:ZX81+38 loading from cassette.JPG
- 21:41, 20 September 2022 Mahjongg talk contribs uploaded a new version of File:ZX81+38 rev 1.9 component placement.png (C7 and R56 updated)
- 14:00, 15 September 2022 Mahjongg talk contribs uploaded a new version of File:ZX81plus38rev1,9.pdf (corrected C7, C8 and R59)
- 13:57, 15 September 2022 Mahjongg talk contribs uploaded a new version of File:ZX81plus38 revision 1.9 schematic.png (compressed by reducing to 150dpi and using monochrome png.)
- 13:53, 15 September 2022 Mahjongg talk contribs uploaded File:ZX81plus38 revision 1.9 schematic.png (compressed by using monochrome.png)
- 13:53, 15 September 2022 Mahjongg talk contribs created page File:ZX81plus38 revision 1.9 schematic.png (compressed by using monochrome.png)
- 13:42, 15 September 2022 Mahjongg talk contribs uploaded a new version of File:ZX81plus38rev1,9.png (corrected cassette I/O component values of C7, C8 and R59)
- 14:57, 10 September 2022 Mahjongg talk contribs uploaded a new version of File:ZX81+38 keyboard PCB preview.png (revision 1.2 has text repaired of the silkscreen lettering below the buttons, the sequence "YUIOP" was repaired as wel as the "10", which should have been "0", also the text was made a tiny bit bolder.)
- 23:28, 8 September 2022 Mahjongg talk contribs created page ZX81+38 a clone of the ZX-81 (starting a transfer page, now that the main page is marked Completed)
- 04:13, 6 September 2022 Mahjongg talk contribs uploaded a new version of File:ZX81+38 keyboard PCB preview.png (corrected J3 connections (rev 1,1))
- 03:54, 6 September 2022 Mahjongg talk contribs uploaded a new version of File:ZX-81Keyboard color.png (corrected J3 wiring)
- 03:48, 6 September 2022 Mahjongg talk contribs uploaded a new version of File:ZX-81Keyboard color.pdf (corrected orientation of J3 (keyboard data connector))
- 00:53, 31 August 2022 Mahjongg talk contribs uploaded File:Wiring.JPG
- 00:53, 31 August 2022 Mahjongg talk contribs created page File:Wiring.JPG
- 00:42, 31 August 2022 Mahjongg talk contribs uploaded File:Cabling.JPG
- 00:42, 31 August 2022 Mahjongg talk contribs created page File:Cabling.JPG
- 23:45, 30 August 2022 Mahjongg talk contribs uploaded File:Success!.JPG
- 23:45, 30 August 2022 Mahjongg talk contribs created page File:Success!.JPG
- 16:24, 30 August 2022 Mahjongg talk contribs uploaded a new version of File:ZX81+38 keyboard PCB preview.png (swapped KBD4 and 3)
- 16:04, 30 August 2022 Mahjongg talk contribs uploaded a new version of File:ZX-81Keyboard color.png
- 15:57, 30 August 2022 Mahjongg talk contribs uploaded a new version of File:ZX-81Keyboard color.pdf
- 00:21, 30 August 2022 Mahjongg talk contribs uploaded File:ZX81+38 keyboard PCB preview.png (Keyboard PCB for ZX81+38 Single sided PCB with only copper on top side. PCB will fit in the rectangular indentation)
- 00:21, 30 August 2022 Mahjongg talk contribs created page File:ZX81+38 keyboard PCB preview.png (Keyboard PCB for ZX81+38 Single sided PCB with only copper on top side. PCB will fit in the rectangular indentation)
- 18:45, 28 August 2022 Mahjongg talk contribs uploaded File:ZX-81Keyboard color.png
- 18:45, 28 August 2022 Mahjongg talk contribs created page File:ZX-81Keyboard color.png
- 18:40, 28 August 2022 Mahjongg talk contribs uploaded File:ZX-81Keyboard color.pdf (revision 1.0)
- 18:40, 28 August 2022 Mahjongg talk contribs created page File:ZX-81Keyboard color.pdf (revision 1.0)
- 23:42, 23 August 2022 Mahjongg talk contribs uploaded File:Keyboard with rainbow coloured cablels.JPG
- 23:42, 23 August 2022 Mahjongg talk contribs created page File:Keyboard with rainbow coloured cablels.JPG
- 21:40, 23 August 2022 Mahjongg talk contribs uploaded File:The back of the in height reduced keyboard PCB with matrix wiring.JPG
- 21:40, 23 August 2022 Mahjongg talk contribs created page File:The back of the in height reduced keyboard PCB with matrix wiring.JPG
- 21:24, 23 August 2022 Mahjongg talk contribs uploaded File:Cut one row more is needed.JPG
- 21:24, 23 August 2022 Mahjongg talk contribs created page File:Cut one row more is needed.JPG
- 20:16, 23 August 2022 Mahjongg talk contribs uploaded File:ZXkeyboard on top of ZX-81.JPG
- 20:16, 23 August 2022 Mahjongg talk contribs created page File:ZXkeyboard on top of ZX-81.JPG
- 15:30, 23 August 2022 Mahjongg talk contribs uploaded File:PCB Preview ZX81+38 rev 1,9 top.png (Lates PCB preview)
- 15:30, 23 August 2022 Mahjongg talk contribs created page File:PCB Preview ZX81+38 rev 1,9 top.png (Lates PCB preview)
- 14:30, 23 August 2022 Mahjongg talk contribs uploaded File:ZX81+38 rev 1.9 component placement.png (added RN3 resistor network 5 x 10K)
- 14:30, 23 August 2022 Mahjongg talk contribs created page File:ZX81+38 rev 1.9 component placement.png (added RN3 resistor network 5 x 10K)
- 13:51, 23 August 2022 Mahjongg talk contribs uploaded a new version of File:ZX81plus38rev1,9.png (size reduced version of schematic revision 1.9)
- 13:44, 23 August 2022 Mahjongg talk contribs uploaded File:ZX81plus38rev1,9.png (picture version (.PNG medium quality) of revision 1.9 with improved joystick circuitry)
- 13:44, 23 August 2022 Mahjongg talk contribs created page File:ZX81plus38rev1,9.png (picture version (.PNG medium quality) of revision 1.9 with improved joystick circuitry)
- 13:30, 23 August 2022 Mahjongg talk contribs uploaded File:ZX81plus38rev1,9.pdf (revision 1.9 has revised joystick circuitry, with R23 = 1K and 10K pulldowns on bases of transistors.)
- 13:30, 23 August 2022 Mahjongg talk contribs created page File:ZX81plus38rev1,9.pdf (revision 1.9 has revised joystick circuitry, with R23 = 1K and 10K pulldowns on bases of transistors.)
- 15:30, 10 July 2022 Mahjongg talk contribs uploaded File:ZX81+38 rev 1.8component placement.png
- 15:30, 10 July 2022 Mahjongg talk contribs created page File:ZX81+38 rev 1.8component placement.png
- 15:25, 10 July 2022 Mahjongg talk contribs uploaded a new version of File:ZX81plus38Rev1,8.png
- 15:19, 10 July 2022 Mahjongg talk contribs uploaded File:ZX81plus38Rev1,8.png
- 15:19, 10 July 2022 Mahjongg talk contribs created page File:ZX81plus38Rev1,8.png
- 15:14, 10 July 2022 Mahjongg talk contribs uploaded File:ZX81plus38Rev1,8.pdf (changed all logic to HC, add clock inverter using unused half of U18)
- 15:14, 10 July 2022 Mahjongg talk contribs created page File:ZX81plus38Rev1,8.pdf (changed all logic to HC, add clock inverter using unused half of U18)
- 23:08, 28 June 2022 Mahjongg talk contribs uploaded File:P1030120.JPG (Better picture plus using PCBites)
- 23:08, 28 June 2022 Mahjongg talk contribs created page File:P1030120.JPG (Better picture plus using PCBites)
- 22:59, 28 June 2022 Mahjongg talk contribs uploaded a new version of File:P1030119.JPG
- 22:57, 28 June 2022 Mahjongg talk contribs uploaded File:P1030119.JPG (A picture showing measuring the 13MHz crystal signal)
- 22:57, 28 June 2022 Mahjongg talk contribs created page File:P1030119.JPG (A picture showing measuring the 13MHz crystal signal)
- 21:29, 22 June 2022 Mahjongg talk contribs uploaded File:ZX81+38 rev 1.7 component placement.png (Updated version with U21 = 74HC04 ,rotated J3 and R21 = 330R)
- 21:29, 22 June 2022 Mahjongg talk contribs created page File:ZX81+38 rev 1.7 component placement.png (Updated version with U21 = 74HC04 ,rotated J3 and R21 = 330R)
- 20:26, 22 June 2022 Mahjongg talk contribs uploaded File:ZX81plus38 Rev 1,7-resized.png
- 20:26, 22 June 2022 Mahjongg talk contribs created page File:ZX81plus38 Rev 1,7-resized.png
- 19:35, 22 June 2022 Mahjongg talk contribs uploaded File:ZX81plus38 Rev 1,7-1.png (rev 1.7 as PNG picture)
- 19:35, 22 June 2022 Mahjongg talk contribs created page File:ZX81plus38 Rev 1,7-1.png (rev 1.7 as PNG picture)
- 19:27, 22 June 2022 Mahjongg talk contribs uploaded File:ZX81plus38 Rev 1,7.pdf (schematic revision 1.7 with various updates, see bottom right block of schematic)
- 19:27, 22 June 2022 Mahjongg talk contribs created page File:ZX81plus38 Rev 1,7.pdf (schematic revision 1.7 with various updates, see bottom right block of schematic)
- 13:18, 4 May 2022 Mahjongg talk contribs uploaded File:Rom pinouts for ZX81+38 resized.png (drawing explaining three kinds of ROM's that can be fit into the ZX81+38 ROM socket, the three options are: Original ZX-81 ROM a 27C256 OTP (default choice) a 28C256 if you expect you will need to change to contents of the ROM regularly reference the...)
- 13:18, 4 May 2022 Mahjongg talk contribs created page File:Rom pinouts for ZX81+38 resized.png (drawing explaining three kinds of ROM's that can be fit into the ZX81+38 ROM socket, the three options are: Original ZX-81 ROM a 27C256 OTP (default choice) a 28C256 if you expect you will need to change to contents of the ROM regularly reference the...)
- 19:33, 3 May 2022 Mahjongg talk contribs uploaded File:Opgebouwd.JPG (Zonder geplaatste IC's)
- 19:33, 3 May 2022 Mahjongg talk contribs created page File:Opgebouwd.JPG (Zonder geplaatste IC's)
- 21:51, 17 April 2022 Mahjongg talk contribs moved page File:ZX81+38 rev .6 component placement.png to File:ZX81+38 rev 1.6 component placement.png (renaming to rev 1.6 instead of .6)
- 21:36, 17 April 2022 Mahjongg talk contribs uploaded File:ZX81+38 rev .6 component placement.png (component placement drawing for ZX81+38 rev 1.6)
- 21:36, 17 April 2022 Mahjongg talk contribs created page File:ZX81+38 rev .6 component placement.png (component placement drawing for ZX81+38 rev 1.6)
- 16:54, 12 April 2022 Mahjongg talk contribs moved page ZONX81plus4 PSG Board with sd-card interface for the ZX-81 to ZONX81plus41 PSG Board with sd-card interface for the ZX-81 (plus 41 not plus 4)
- 16:51, 12 April 2022 Mahjongg talk contribs moved page ZONX81plus4 PSG Board with sd-card interface to ZONX81plus4 PSG Board with sd-card interface for the ZX-81 (explained it is for a real ZX-81 (or my zx81+38 clone))
- 16:43, 12 April 2022 Mahjongg talk contribs moved page S to ZONX81plus4 PSG Board with sd-card interface (renaming of product)
- 16:41, 12 April 2022 Mahjongg talk contribs moved page Zon ZX-81 compatible PSG + 32K RAM and SD-Card interface expansion for ZX-81 and clones to ZONX81plus4
- 16:41, 12 April 2022 Mahjongg talk contribs moved page Zon ZX-81 compatible PSG + 32K RAM and SD-Card interface expansion for ZX-81 and clones to S
- 12:54, 5 April 2022 Mahjongg talk contribs moved page Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 to Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card (Managed to get the SD-card interface working, and with menu driven firmware support)
- 19:27, 30 March 2022 Mahjongg talk contribs uploaded File:PSG sound expansion BOM.pdf
- 19:27, 30 March 2022 Mahjongg talk contribs created page File:PSG sound expansion BOM.pdf
- 18:29, 28 March 2022 Mahjongg talk contribs uploaded File:Layout sound expansion rev2.2 component overview.png (updated component overview)
- 18:29, 28 March 2022 Mahjongg talk contribs created page File:Layout sound expansion rev2.2 component overview.png (updated component overview)
- 17:28, 28 March 2022 Mahjongg talk contribs uploaded File:ZON compatiible PSG with SD-Card interface rev 2.2.PNG
- 17:28, 28 March 2022 Mahjongg talk contribs created page File:ZON compatiible PSG with SD-Card interface rev 2.2.PNG
- 05:37, 28 March 2022 Mahjongg talk contribs uploaded File:PSG with sd-card interface for ZX81plus35 REV 2.2.png (as png picture)
- 05:37, 28 March 2022 Mahjongg talk contribs created page File:PSG with sd-card interface for ZX81plus35 REV 2.2.png (as png picture)
- 02:50, 23 March 2022 Mahjongg talk contribs uploaded File:PSG with sd-card interface for ZX81plus35 REV 2.2.pdf (New version with corrected 74HCT02 but also with the changes to the SD-CARD interface that makes it working)
- 02:50, 23 March 2022 Mahjongg talk contribs created page File:PSG with sd-card interface for ZX81plus35 REV 2.2.pdf (New version with corrected 74HCT02 but also with the changes to the SD-CARD interface that makes it working)
- 17:32, 21 March 2022 Mahjongg talk contribs uploaded File:ZX81+35 REV 4.2 layout preview.PDF (Top layer plus silk screen preview of ZX81+35 Rev4.2)
- 17:32, 21 March 2022 Mahjongg talk contribs created page File:ZX81+35 REV 4.2 layout preview.PDF (Top layer plus silk screen preview of ZX81+35 Rev4.2)
- 17:07, 21 March 2022 Mahjongg talk contribs uploaded File:ZX81+35 REV 4.2. schematic color.pdf (Version suitable for PSG with SD-Card interface, with 16K ROM support (default) and with A13 & A14 corrected, swapped, on expansion port, also now with 0 (CPU) clock instead of 3.5MHz on expansion port)
- 17:07, 21 March 2022 Mahjongg talk contribs created page File:ZX81+35 REV 4.2. schematic color.pdf (Version suitable for PSG with SD-Card interface, with 16K ROM support (default) and with A13 & A14 corrected, swapped, on expansion port, also now with 0 (CPU) clock instead of 3.5MHz on expansion port)
- 22:28, 16 March 2022 Mahjongg talk contribs moved page ZX81PLUS34 ZX81 clone to ZX81PLUS35 ZX81 clone (update to plus35 (year later version))
- 22:28, 16 March 2022 Mahjongg talk contribs moved page Talk:ZX81PLUS34 ZX81 clone to Talk:ZX81PLUS35 ZX81 clone (update to plus35 (year later version))
- 20:45, 15 March 2022 Mahjongg talk contribs created page Zon ZX-81 compatible PSG + 32K RAM and SD-Card interface expansion for ZX-81 and clones (started with ZX-81 PSG expansion board)
- 17:43, 15 March 2022 Mahjongg talk contribs uploaded File:The hardware thomas used, not the various patches on the PSG board.jpg (Thomas worked on my PSG board for the ZX-81+35 and used some patches, and his firmware in (expanded) ROM to get a SD-card interface working.)
- 17:43, 15 March 2022 Mahjongg talk contribs created page File:The hardware thomas used, not the various patches on the PSG board.jpg (Thomas worked on my PSG board for the ZX-81+35 and used some patches, and his firmware in (expanded) ROM to get a SD-card interface working.)
- 17:41, 15 March 2022 Mahjongg talk contribs uploaded File:The OS menu, showing files you can download using the SD-card interface.jpeg (A list of files (.ROM files) you can choose using the firmware with thomas sd-card interface software)
- 17:41, 15 March 2022 Mahjongg talk contribs created page File:The OS menu, showing files you can download using the SD-card interface.jpeg (A list of files (.ROM files) you can choose using the firmware with thomas sd-card interface software)
- 17:38, 15 March 2022 Mahjongg talk contribs uploaded File:Game loaded on zx-81+35 using the sd-card interface.jpeg (thomas used his PSG clone board to load a game file)
- 17:38, 15 March 2022 Mahjongg talk contribs created page File:Game loaded on zx-81+35 using the sd-card interface.jpeg (thomas used his PSG clone board to load a game file)
- 02:42, 9 March 2022 Mahjongg talk contribs uploaded File:PanGalaksija component placing rev1.0 Preliminary.png (picture of preliminary component placement of PanGalaksija rev 1.0)
- 02:42, 9 March 2022 Mahjongg talk contribs created page File:PanGalaksija component placing rev1.0 Preliminary.png (picture of preliminary component placement of PanGalaksija rev 1.0)
- 02:32, 9 March 2022 Mahjongg talk contribs uploaded File:PanGalaksija-component placement rev 1.0.pdf (component placement (quiet picture, so no pads))
- 02:32, 9 March 2022 Mahjongg talk contribs created page File:PanGalaksija-component placement rev 1.0.pdf (component placement (quiet picture, so no pads))
- 02:17, 9 March 2022 Mahjongg talk contribs uploaded File:PanGalaksija schematic Keys rev1.0.png (This is the keyboard section of PanGalaksija revision 1.0)
- 02:17, 9 March 2022 Mahjongg talk contribs created page File:PanGalaksija schematic Keys rev1.0.png (This is the keyboard section of PanGalaksija revision 1.0)
- 02:13, 9 March 2022 Mahjongg talk contribs uploaded File:PanGalaksija schematic main rev1.0.png (first full schematic of PanGalaksija main-section revision 1.0. picture version of the .PDF)
- 02:13, 9 March 2022 Mahjongg talk contribs created page File:PanGalaksija schematic main rev1.0.png (first full schematic of PanGalaksija main-section revision 1.0. picture version of the .PDF)
- 02:03, 9 March 2022 Mahjongg talk contribs uploaded File:PanGalaksija schematic rev1.0.pdf (first full schematic main & keyboard)
- 02:03, 9 March 2022 Mahjongg talk contribs created page File:PanGalaksija schematic rev1.0.pdf (first full schematic main & keyboard)
- 14:25, 17 February 2022 Mahjongg talk contribs uploaded File:Keyboard PanGalaksija preview.png
- 14:25, 17 February 2022 Mahjongg talk contribs created page File:Keyboard PanGalaksija preview.png
- 01:58, 16 February 2022 Mahjongg talk contribs uploaded File:PanGalaksija 3D keyboard preview.png
- 01:58, 16 February 2022 Mahjongg talk contribs created page File:PanGalaksija 3D keyboard preview.png
- 01:41, 16 February 2022 Mahjongg talk contribs uploaded File:PanGalaksija keyboard schematic preview.pdf
- 01:41, 16 February 2022 Mahjongg talk contribs created page File:PanGalaksija keyboard schematic preview.pdf
- 17:06, 14 February 2022 Mahjongg talk contribs uploaded File:Desktop computer GALAKSIJA, 1983.jpg
- 17:06, 14 February 2022 Mahjongg talk contribs created page File:Desktop computer GALAKSIJA, 1983.jpg
- 14:31, 14 February 2022 Mahjongg talk contribs uploaded File:Galakija Keyboard schematic.png
- 14:31, 14 February 2022 Mahjongg talk contribs created page File:Galakija Keyboard schematic.png
- 12:46, 20 October 2020 Mahjongg talk contribs uploaded a new version of File:ZX81plus38rev1,6.pdf (Keyboard pullups changed to 10K from 4K7)
- 20:20, 18 October 2020 Mahjongg talk contribs uploaded File:PCB PrevIew ZX81+38 rev 1,6 bottom.png (bottom side revision 1,6)
- 20:20, 18 October 2020 Mahjongg talk contribs created page File:PCB PrevIew ZX81+38 rev 1,6 bottom.png (bottom side revision 1,6)
- 20:16, 18 October 2020 Mahjongg talk contribs uploaded File:PCB PrevIew ZX81+38 rev 1,6 top.png (version with corrected A8 instead of A8' keyboard matrix)
- 20:16, 18 October 2020 Mahjongg talk contribs created page File:PCB PrevIew ZX81+38 rev 1,6 top.png (version with corrected A8 instead of A8' keyboard matrix)
- 19:43, 18 October 2020 Mahjongg talk contribs uploaded File:ZX81plus38rev1,6.pdf (Version with A8 instead of A8' for keyboard matrix)
- 19:43, 18 October 2020 Mahjongg talk contribs created page File:ZX81plus38rev1,6.pdf (Version with A8 instead of A8' for keyboard matrix)
- 23:33, 15 October 2020 Mahjongg talk contribs uploaded File:ZX81+38rev1,5 bottom.png (bottom (solder) side)
- 23:33, 15 October 2020 Mahjongg talk contribs created page File:ZX81+38rev1,5 bottom.png (bottom (solder) side)
- 23:22, 15 October 2020 Mahjongg talk contribs uploaded File:ZX81+38rev1,5 top.png (Top (component) side revision 1.5 16 october 2020)
- 23:22, 15 October 2020 Mahjongg talk contribs created page File:ZX81+38rev1,5 top.png (Top (component) side revision 1.5 16 october 2020)
- 17:15, 9 October 2020 Mahjongg talk contribs uploaded a new version of File:ZX81plus38rev1,5.png (cropped half size)
- 17:10, 9 October 2020 Mahjongg talk contribs uploaded File:ZX81plus38rev1,5.png (final working version in black and white)
- 17:10, 9 October 2020 Mahjongg talk contribs created page File:ZX81plus38rev1,5.png (final working version in black and white)
- 16:59, 9 October 2020 Mahjongg talk contribs uploaded File:ZX81plus38rev1,5.pdf (corrected schematic)
- 16:59, 9 October 2020 Mahjongg talk contribs created page File:ZX81plus38rev1,5.pdf (corrected schematic)
- 15:19, 14 September 2020 Mahjongg talk contribs uploaded File:ZX81plus38Rev1,4BW.png (final schematic ZX81+38 (revision 1.4) in black and white)
- 15:19, 14 September 2020 Mahjongg talk contribs created page File:ZX81plus38Rev1,4BW.png (final schematic ZX81+38 (revision 1.4) in black and white)
- 23:45, 11 September 2020 Mahjongg talk contribs uploaded File:ZX81plus38 BOM.ods (The Bill Of materials plus order codes for either Farnell, or Mouser)
- 23:45, 11 September 2020 Mahjongg talk contribs created page File:ZX81plus38 BOM.ods (The Bill Of materials plus order codes for either Farnell, or Mouser)
- 23:39, 11 September 2020 Mahjongg talk contribs uploaded File:ZX81plus38Rev1.4BW.pdf (Final schematic of ZX-81+38 rev 1.4 in black and white)
- 23:39, 11 September 2020 Mahjongg talk contribs created page File:ZX81plus38Rev1.4BW.pdf (Final schematic of ZX-81+38 rev 1.4 in black and white)
- 21:55, 30 June 2020 Mahjongg talk contribs uploaded File:ZX81+35 REV 4.1 schematic.pdf (The lates schematic, 30 June, 2020 rev 4,1 of ZX81+35)
- 21:55, 30 June 2020 Mahjongg talk contribs created page File:ZX81+35 REV 4.1 schematic.pdf (The lates schematic, 30 June, 2020 rev 4,1 of ZX81+35)
- 21:45, 30 June 2020 Mahjongg talk contribs uploaded File:New Gerbers Rev 4,1 detail.png
- 21:45, 30 June 2020 Mahjongg talk contribs created page File:New Gerbers Rev 4,1 detail.png
- 21:41, 30 June 2020 Mahjongg talk contribs uploaded File:New Gerbers Rev 4,1.png (New version 4,1 with correct solder mask)
- 21:41, 30 June 2020 Mahjongg talk contribs created page File:New Gerbers Rev 4,1.png (New version 4,1 with correct solder mask)
- 21:21, 30 June 2020 Mahjongg talk contribs uploaded File:Old gerbers Rev 4,0 detail.png (This detail shows the problems clearly)
- 21:21, 30 June 2020 Mahjongg talk contribs created page File:Old gerbers Rev 4,0 detail.png (This detail shows the problems clearly)
- 21:20, 30 June 2020 Mahjongg talk contribs uploaded File:Old Gerbers Rev 4,0.png (This is a screen capture from a gerber viewer showing the file I uploaded end of 2019, there are clearly problems with it.)
- 21:20, 30 June 2020 Mahjongg talk contribs created page File:Old Gerbers Rev 4,0.png (This is a screen capture from a gerber viewer showing the file I uploaded end of 2019, there are clearly problems with it.)
- 12:45, 10 April 2020 Mahjongg talk contribs uploaded a new version of File:Final ZX81plus38 PCB rev 1,4 silk screen top.PNG (Version of April 10, 2020)
- 12:40, 10 April 2020 Mahjongg talk contribs uploaded a new version of File:Final ZX81plus38 PCB rev 1,4 bottom view.PNG (scratch line JP11 to bottom side, pads of jumpers to 1.6mm instead of 1.7mm)
- 12:37, 10 April 2020 Mahjongg talk contribs uploaded a new version of File:Final ZX81plus38 PCB rev 1,4 top view.PNG (Moved the last default jumper wire to the bottom, made jumper pads smaller)
- 15:08, 26 March 2020 Mahjongg talk contribs uploaded File:Final ZX81plus38 PCB rev 1,4 silk screen top.PNG
- 15:08, 26 March 2020 Mahjongg talk contribs created page File:Final ZX81plus38 PCB rev 1,4 silk screen top.PNG
- 12:39, 26 March 2020 Mahjongg talk contribs uploaded File:Final ZX81plus38 PCB rev 1,4 bottom view.PNG
- 12:39, 26 March 2020 Mahjongg talk contribs created page File:Final ZX81plus38 PCB rev 1,4 bottom view.PNG
- 12:22, 26 March 2020 Mahjongg talk contribs uploaded File:Final ZX81plus38 PCB rev 1,4 top view.PNG
- 12:22, 26 March 2020 Mahjongg talk contribs created page File:Final ZX81plus38 PCB rev 1,4 top view.PNG
- 10:40, 11 March 2020 Mahjongg talk contribs uploaded File:ZX81plus38 PCB rev 1,4 bottom view.PNG
- 10:40, 11 March 2020 Mahjongg talk contribs created page File:ZX81plus38 PCB rev 1,4 bottom view.PNG
- 10:37, 11 March 2020 Mahjongg talk contribs uploaded File:ZX81plus38 PCB rev 1,4 top view.PNG
- 10:37, 11 March 2020 Mahjongg talk contribs created page File:ZX81plus38 PCB rev 1,4 top view.PNG
- 10:16, 4 March 2020 Mahjongg talk contribs uploaded File:ZX81plus38 copper bottom.PNG (PCB layout bottom without solder mask)
- 10:16, 4 March 2020 Mahjongg talk contribs created page File:ZX81plus38 copper bottom.PNG (PCB layout bottom without solder mask)
- 10:15, 4 March 2020 Mahjongg talk contribs uploaded File:ZX81plus38 copper top.PNG (Copper top without solder mask)
- 10:15, 4 March 2020 Mahjongg talk contribs created page File:ZX81plus38 copper top.PNG (Copper top without solder mask)
- 00:28, 4 March 2020 Mahjongg talk contribs uploaded File:ZX81+38 4 maart 2020.png (Final 100% routed, with copper fill.)
- 00:28, 4 March 2020 Mahjongg talk contribs created page File:ZX81+38 4 maart 2020.png (Final 100% routed, with copper fill.)
- 23:15, 25 February 2020 Mahjongg talk contribs uploaded File:Ratsnest ZX81+38 26 Feb 2020.png
- 23:15, 25 February 2020 Mahjongg talk contribs created page File:Ratsnest ZX81+38 26 Feb 2020.png
- 23:36, 18 February 2020 Mahjongg talk contribs uploaded File:Finished layout ZX81+38 19 feb 2020 without copper fill.png (Finshed layout, no copper fill yet. Expansion port for I/O only)
- 23:36, 18 February 2020 Mahjongg talk contribs created page File:Finished layout ZX81+38 19 feb 2020 without copper fill.png (Finshed layout, no copper fill yet. Expansion port for I/O only)
- 23:16, 11 February 2020 Mahjongg talk contribs uploaded File:Ratsnest ZX81+38 12 Feb 2020.png (progression on February 12, 2020.)
- 23:16, 11 February 2020 Mahjongg talk contribs created page File:Ratsnest ZX81+38 12 Feb 2020.png (progression on February 12, 2020.)
- 23:03, 28 January 2020 Mahjongg talk contribs uploaded File:Ratsnest ZX81+38 28 jan 2020.png
- 23:03, 28 January 2020 Mahjongg talk contribs created page File:Ratsnest ZX81+38 28 jan 2020.png
- 23:01, 21 January 2020 Mahjongg talk contribs uploaded File:Ratsnest ZX81plus38 22 jan 2020.png
- 23:01, 21 January 2020 Mahjongg talk contribs created page File:Ratsnest ZX81plus38 22 jan 2020.png
- 22:19, 14 January 2020 Mahjongg talk contribs moved page File:Ratsnest ZX81+38 14 jan 2020.png to File:Ratsnest ZX81 plus 38 14 jan 2020.png
- 22:17, 14 January 2020 Mahjongg talk contribs uploaded File:Ratsnest ZX81+38 14 jan 2020.png (progress on january 14, 2020)
- 22:17, 14 January 2020 Mahjongg talk contribs created page File:Ratsnest ZX81+38 14 jan 2020.png (progress on january 14, 2020)
- 22:39, 10 December 2019 Mahjongg talk contribs uploaded File:ZX81plus38 routing progress 10 december 2019.png (Added card edge fingers, among more stuff this time enabled the rats nest)
- 22:39, 10 December 2019 Mahjongg talk contribs created page File:ZX81plus38 routing progress 10 december 2019.png (Added card edge fingers, among more stuff this time enabled the rats nest)
- 22:49, 3 December 2019 Mahjongg talk contribs uploaded File:ZX81plus38 routing progress 3 December 2019.png
- 22:49, 3 December 2019 Mahjongg talk contribs created page File:ZX81plus38 routing progress 3 December 2019.png
- 22:47, 3 December 2019 Mahjongg talk contribs moved page File:ZX81+38 routing progress 3 december 2019.png to File:ZX81plus38 routing progress 3 december 2019.png (No use of the plus sign)
- 22:41, 3 December 2019 Mahjongg talk contribs uploaded File:ZX81+38 routing progress 3 december 2019.png
- 22:41, 3 December 2019 Mahjongg talk contribs created page File:ZX81+38 routing progress 3 december 2019.png
- 01:09, 20 November 2019 Mahjongg talk contribs uploaded File:Placement and ratnest 2019-11-20 02-05-42.png (optimized placement, plus some GND and +5V routing)
- 01:09, 20 November 2019 Mahjongg talk contribs created page File:Placement and ratnest 2019-11-20 02-05-42.png (optimized placement, plus some GND and +5V routing)
- 17:12, 19 November 2019 Mahjongg talk contribs uploaded File:ZX81plus38rev 1.4 16 colour.png (after optimizing placement 16 color PNG)
- 17:12, 19 November 2019 Mahjongg talk contribs created page File:ZX81plus38rev 1.4 16 colour.png (after optimizing placement 16 color PNG)
- 17:10, 19 November 2019 Mahjongg talk contribs uploaded a new version of File:ZX81plus38rev 1.4.png (after optimizing placement)
- 16:58, 19 November 2019 Mahjongg talk contribs uploaded File:ZX81plus38rev 1.4.png (after optimizing placement)
- 16:58, 19 November 2019 Mahjongg talk contribs created page File:ZX81plus38rev 1.4.png (after optimizing placement)
- 00:17, 13 November 2019 Mahjongg talk contribs uploaded File:ZX81plus38rev 1.4.pdf (revision 1.4 after component placing optimization.)
- 00:17, 13 November 2019 Mahjongg talk contribs created page File:ZX81plus38rev 1.4.pdf (revision 1.4 after component placing optimization.)
- 15:08, 11 November 2019 Mahjongg talk contribs uploaded File:ZX81plus38 rev1.3 picture.png (Picture version)
- 15:08, 11 November 2019 Mahjongg talk contribs created page File:ZX81plus38 rev1.3 picture.png (Picture version)
- 23:27, 5 November 2019 Mahjongg talk contribs uploaded File:Ratsnest ZX81+38.png (rats-nest and modified pads before part and port optimizations to show that 2 wires in-between pas is necessary, and how the pads are re-shaped to accommodate two 0.2mm traces.)
- 23:27, 5 November 2019 Mahjongg talk contribs created page File:Ratsnest ZX81+38.png (rats-nest and modified pads before part and port optimizations to show that 2 wires in-between pas is necessary, and how the pads are re-shaped to accommodate two 0.2mm traces.)
- 10:41, 1 November 2019 Mahjongg talk contribs uploaded a new version of File:Nationaal video game museum.jpg (Larger picture)
- 10:38, 1 November 2019 Mahjongg talk contribs uploaded File:Nationaal video game museum.jpg
- 10:38, 1 November 2019 Mahjongg talk contribs created page File:Nationaal video game museum.jpg
- 10:33, 1 November 2019 Mahjongg talk contribs uploaded File:Randy Fromm 400x400.png
- 10:33, 1 November 2019 Mahjongg talk contribs created page File:Randy Fromm 400x400.png
- 10:26, 1 November 2019 Mahjongg talk contribs created page Arcade repair course (starter)
- 23:48, 29 October 2019 Mahjongg talk contribs uploaded File:ZX81+38 component overview proposal.png (First try)
- 23:48, 29 October 2019 Mahjongg talk contribs created page File:ZX81+38 component overview proposal.png (First try)
- 18:33, 29 October 2019 Mahjongg talk contribs uploaded File:Layout sound expansion rev2.1 component overview.png (component overview)
- 18:33, 29 October 2019 Mahjongg talk contribs created page File:Layout sound expansion rev2.1 component overview.png (component overview)
- 12:23, 25 October 2019 Mahjongg talk contribs moved page Zon X-81 Programmable Sound Generator expansion for ZX81PLUS35 to Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 (forgot the 'Z' in ZX-81)
- 23:01, 22 October 2019 Mahjongg talk contribs uploaded a new version of File:ZX81plus35 silkscreen overview rev4.png (Corrected TURBO / NORMAL)
- 22:20, 22 October 2019 Mahjongg talk contribs uploaded File:Layout sound expansion rev2.1.PNG
- 22:20, 22 October 2019 Mahjongg talk contribs created page File:Layout sound expansion rev2.1.PNG
- 22:13, 22 October 2019 Mahjongg talk contribs uploaded File:Sound expansion rev 2.1-1.png (Repaired 74LS02)
- 22:13, 22 October 2019 Mahjongg talk contribs created page File:Sound expansion rev 2.1-1.png (Repaired 74LS02)
- 22:07, 22 October 2019 Mahjongg talk contribs uploaded File:Sound expansion rev 2.1.pdf (Rev 2.1 23 Oktober 2019; definition 74LS02 repaired)
- 22:07, 22 October 2019 Mahjongg talk contribs created page File:Sound expansion rev 2.1.pdf (Rev 2.1 23 Oktober 2019; definition 74LS02 repaired)
- 16:30, 21 October 2019 Mahjongg talk contribs uploaded a new version of File:ZX81plus35 silkscreen overview rev4.png (Strikethrough incorrect turbo/normal text)
- 16:26, 21 October 2019 Mahjongg talk contribs uploaded a new version of File:ZX81plus35 silkscreen overview rev4.png (added default jumper and switch settings)
- 23:12, 20 October 2019 Mahjongg talk contribs uploaded File:Printing all 256 characters.JPG
- 23:12, 20 October 2019 Mahjongg talk contribs created page File:Printing all 256 characters.JPG
- 23:07, 20 October 2019 Mahjongg talk contribs uploaded File:ZX81+35 revision 4.0 with keyboard.JPG
- 23:07, 20 October 2019 Mahjongg talk contribs created page File:ZX81+35 revision 4.0 with keyboard.JPG
- 23:48, 19 October 2019 Mahjongg talk contribs uploaded a new version of File:ZX81plus35 silkscreen overview rev4.png (U13 corrected)
- 23:44, 19 October 2019 Mahjongg talk contribs uploaded a new version of File:ZX81plus38 rev1.3.pdf (Also added A13 to EEPROM)
- 23:34, 19 October 2019 Mahjongg talk contribs uploaded File:ZX81plus38 rev1.3.pdf (revision 1.3 supports 16K ROM's)
- 23:34, 19 October 2019 Mahjongg talk contribs created page File:ZX81plus38 rev1.3.pdf (revision 1.3 supports 16K ROM's)
- 12:27, 16 October 2019 Mahjongg talk contribs uploaded File:ZX81plus38 rev1.2 cropped.png (finalized)
- 12:27, 16 October 2019 Mahjongg talk contribs created page File:ZX81plus38 rev1.2 cropped.png (finalized)
- 22:38, 15 October 2019 Mahjongg talk contribs uploaded a new version of File:ZX81plus38 rev1.2.pdf (Added Xtal frequency)
- 22:15, 15 October 2019 Mahjongg talk contribs uploaded File:ZX81plus38 rev1.2.pdf (Functionally complete with loading bar support.)
- 22:15, 15 October 2019 Mahjongg talk contribs created page File:ZX81plus38 rev1.2.pdf (Functionally complete with loading bar support.)
- 23:45, 12 October 2019 Mahjongg talk contribs uploaded File:ZX81plus38 rev 1.1.pdf
- 23:45, 12 October 2019 Mahjongg talk contribs created page File:ZX81plus38 rev 1.1.pdf
- 13:09, 9 October 2019 Mahjongg talk contribs uploaded File:ZX81plus38 rev 1.0 further cropped.png (Cropped to 2339 by 1655 pixels, while still readable)
- 13:09, 9 October 2019 Mahjongg talk contribs created page File:ZX81plus38 rev 1.0 further cropped.png (Cropped to 2339 by 1655 pixels, while still readable)
- 13:04, 9 October 2019 Mahjongg talk contribs uploaded a new version of File:Preliminary ZX81plus38 resized.png
- 22:41, 8 October 2019 Mahjongg talk contribs uploaded a new version of File:Preliminary ZX81plus38 resized.png (revision 1.0)
- 22:29, 8 October 2019 Mahjongg talk contribs uploaded a new version of File:Preliminary ZX81plus38 resized.png (revision 1.0 (monochrome))
- 22:25, 8 October 2019 Mahjongg talk contribs uploaded a new version of File:Preliminary ZX81plus38 resized.png
- 22:20, 8 October 2019 Mahjongg talk contribs uploaded a new version of File:ZX81plus38.pdf
- 11:20, 7 October 2019 Mahjongg talk contribs uploaded File:Preliminary ZX81plus38 resized.png (preliminary (unfinished) ZX81+38 schematic, about 95% finished, but not started with layout yet (except initial placement of essential parts and mounting holes).)
- 11:20, 7 October 2019 Mahjongg talk contribs created page File:Preliminary ZX81plus38 resized.png (preliminary (unfinished) ZX81+38 schematic, about 95% finished, but not started with layout yet (except initial placement of essential parts and mounting holes).)
- 11:17, 7 October 2019 Mahjongg talk contribs uploaded File:Preliminary ZX81plus38.png (preliminary (unfinished) ZX81+38 schematic, about 95% finished, but not started with layout yet (except initial placement of essential parts and mounting holes).)
- 11:17, 7 October 2019 Mahjongg talk contribs created page File:Preliminary ZX81plus38.png (preliminary (unfinished) ZX81+38 schematic, about 95% finished, but not started with layout yet (except initial placement of essential parts and mounting holes).)
- 19:19, 6 October 2019 Mahjongg talk contribs uploaded a new version of File:ZX81plus38.pdf (Almost completed)
- 00:27, 29 September 2019 Mahjongg talk contribs uploaded File:ZX81plus38.pdf (First setup with most components)
- 00:27, 29 September 2019 Mahjongg talk contribs created page File:ZX81plus38.pdf (First setup with most components)
- 23:15, 24 September 2019 Mahjongg talk contribs uploaded File:Estimate placement ZX81+38.png (First estimate of all the logic will fit on a ZX-81 size board)
- 23:15, 24 September 2019 Mahjongg talk contribs created page File:Estimate placement ZX81+38.png (First estimate of all the logic will fit on a ZX-81 size board)
- 00:11, 18 September 2019 Mahjongg talk contribs created page ZX81plus38 simple to build ZX-81 clone (Created page with "{{Project |Name=ZX81plus38 |Picture=plaatje dat je geupload hebt op de wiki |Omschrijving=Most people I showed my ZX-81 clone (ZX81+35) said they liked it, but with such a...")
- 20:57, 11 September 2019 Mahjongg talk contribs uploaded File:ZX81+35 keyboard bottom.png (solder side with solder mask)
- 20:57, 11 September 2019 Mahjongg talk contribs created page File:ZX81+35 keyboard bottom.png (solder side with solder mask)
- 20:51, 11 September 2019 Mahjongg talk contribs uploaded File:ZX81+35 keyboard top.png (componentenzijde met tekstopdruk, maar geen soldeermasker)
- 20:51, 11 September 2019 Mahjongg talk contribs created page File:ZX81+35 keyboard top.png (componentenzijde met tekstopdruk, maar geen soldeermasker)
- 23:41, 10 September 2019 Mahjongg talk contribs uploaded File:Keyboard PCB ZX81plus35.png
- 23:41, 10 September 2019 Mahjongg talk contribs created page File:Keyboard PCB ZX81plus35.png
- 23:36, 4 September 2019 Mahjongg talk contribs uploaded File:ZX-81 Keyboard-F.SilkS.pdf (preview of keyboard PCB)
- 23:36, 4 September 2019 Mahjongg talk contribs created page File:ZX-81 Keyboard-F.SilkS.pdf (preview of keyboard PCB)
- 20:09, 4 September 2019 Mahjongg talk contribs uploaded File:ZX-81plus35 Keyboard PCB schematic.png (Correct schematic rev 1.1)
- 20:09, 4 September 2019 Mahjongg talk contribs created page File:ZX-81plus35 Keyboard PCB schematic.png (Correct schematic rev 1.1)
- 20:03, 4 September 2019 Mahjongg talk contribs moved page File:ZX-81 Keyboard.pdf to File:ZX-81plus35 Keyboard.pdf (corrected name)
- 20:01, 4 September 2019 Mahjongg talk contribs uploaded File:ZX-81 Keyboard.pdf (Rev 1.1 with corrected D4 .. D0 order)
- 20:01, 4 September 2019 Mahjongg talk contribs created page File:ZX-81 Keyboard.pdf (Rev 1.1 with corrected D4 .. D0 order)
- 16:18, 2 September 2019 Mahjongg talk contribs created page File:ZX81plus35 silkscreen overview rev4.png (Annotated all the changes that were made in Rev 4.0 in this new assembly drawing, showing which components go where on a Rev 4.0 ZX81plus35 board.)
- 16:18, 2 September 2019 Mahjongg talk contribs uploaded File:ZX81plus35 silkscreen overview rev4.png (Annotated all the changes that were made in Rev 4.0 in this new assembly drawing, showing which components go where on a Rev 4.0 ZX81plus35 board.)
- 16:16, 2 September 2019 Mahjongg talk contribs uploaded File:ZX81+35 silkscreen overview rev4.png (Annotated all the changes that were made in Rev 4.0 in this new assembly drawing, showing which components go where on a Rev 4.0 ZX81plus35 board.)
- 16:16, 2 September 2019 Mahjongg talk contribs created page File:ZX81+35 silkscreen overview rev4.png (Annotated all the changes that were made in Rev 4.0 in this new assembly drawing, showing which components go where on a Rev 4.0 ZX81plus35 board.)
- 23:02, 27 August 2019 Mahjongg talk contribs uploaded File:ZX-81 Keyboard PCB.pdf (Schematic of ZX81+35 keyboard PCB for ZX81+35 revision 4.0)
- 23:02, 27 August 2019 Mahjongg talk contribs created page File:ZX-81 Keyboard PCB.pdf (Schematic of ZX81+35 keyboard PCB for ZX81+35 revision 4.0)
- 12:57, 27 August 2019 Mahjongg talk contribs uploaded File:Rhococo Retro HOme COlor Computer design specs .odt (My first ideas about rhococo (in Dutch).)
- 12:57, 27 August 2019 Mahjongg talk contribs created page File:Rhococo Retro HOme COlor Computer design specs .odt (My first ideas about rhococo (in Dutch).)
- 12:45, 27 August 2019 Mahjongg talk contribs uploaded File:My Home Computer intro.odt (My original thoughts about designing a retro home computer written in 2010.)
- 12:45, 27 August 2019 Mahjongg talk contribs created page File:My Home Computer intro.odt (My original thoughts about designing a retro home computer written in 2010.)
- 21:03, 11 June 2019 Mahjongg talk contribs uploaded File:RHOCOCO rev2.1.pdf (changed 100nF cap C13 to 470uF 6V3 to solve inrush current crashes when inserting SD-cards.)
- 21:03, 11 June 2019 Mahjongg talk contribs created page File:RHOCOCO rev2.1.pdf (changed 100nF cap C13 to 470uF 6V3 to solve inrush current crashes when inserting SD-cards.)
- 16:42, 11 June 2019 Mahjongg talk contribs uploaded File:IOExpander working cropped.JPG (I/O expander reading the SD-card interface with a write protected card inserted.)
- 16:42, 11 June 2019 Mahjongg talk contribs created page File:IOExpander working cropped.JPG (I/O expander reading the SD-card interface with a write protected card inserted.)
- 20:36, 4 June 2019 Mahjongg talk contribs uploaded File:Rhococo, first video screen cropped.JPG
- 20:36, 4 June 2019 Mahjongg talk contribs created page File:Rhococo, first video screen cropped.JPG
- 11:36, 22 May 2019 Mahjongg talk contribs uploaded File:VGA TEXT DEMO.jpg
- 23:04, 21 May 2019 Mahjongg talk contribs uploaded File:Vga spin.pdf
- 23:03, 21 May 2019 Mahjongg talk contribs uploaded File:Vga text spin.pdf
- 23:03, 21 May 2019 Mahjongg talk contribs uploaded File:Vga text demo spin.pdf
- 21:14, 3 May 2019 Mahjongg talk contribs uploaded File:RhoCoCo Rev 2,0.png (version with RESETn pullup eanbled)
- 21:01, 3 May 2019 Mahjongg talk contribs uploaded a new version of File:RHOCOCO rev2.0.pdf (all updates of rev1.9 plus with POEn tied low for 5K internal pullup on RESETn)
- 20:58, 3 May 2019 Mahjongg talk contribs uploaded File:RHOCOCO rev2.0.pdf (version with POEn tied low, so pullup on RESETn is enabled. plus all updates of rev 1.9)
- 22:15, 23 April 2019 Mahjongg talk contribs uploaded File:Layout Rhococo rev1,9.png (extra load resistors on 3V3, and VCC of RAM. Pitch of capacitors changed to 5mm. cleaned up resistor placement. wrote serial programmer interface pinout beneath opening in sd-card holder.)
- 22:02, 23 April 2019 Mahjongg talk contribs uploaded File:RHOCOCO rev 1,9.pdf (Solved SRAM 4.8V, and 3,9V problems with two new load resistors)
- 18:03, 9 April 2019 Mahjongg talk contribs moved page Bringing up Rhococo to Bringing up Rhococo (first boot, and firmware development) (more descriptive title)
- 15:37, 9 April 2019 Mahjongg talk contribs uploaded File:Propeller IDE.png
- 21:10, 6 April 2019 Mahjongg talk contribs uploaded a new version of File:RHOCOCO with keyboard.jpg (cropped)
- 15:40, 6 April 2019 Mahjongg talk contribs uploaded File:RHOCOCO with keyboard.jpg (After kettering the keyboard with Brother t tape printer.)
- 15:35, 6 April 2019 Mahjongg talk contribs uploaded File:Family picture.jpg (The inspiration that lead tot RHOCOCO)
- 12:50, 5 April 2019 Mahjongg talk contribs uploaded a new version of File:Rhococo concept art.png (alt and enter)
- 12:47, 5 April 2019 Mahjongg talk contribs uploaded a new version of File:Rhococo concept art.png (keyboard altercations)
- 12:20, 5 April 2019 Mahjongg talk contribs uploaded a new version of File:Rhococo concept art.png (ribbon keyboard connector)
- 12:04, 3 April 2019 Mahjongg talk contribs uploaded a new version of File:IMG 20190403 001506.jpg (cropped and rotated)
- 12:02, 3 April 2019 Mahjongg talk contribs uploaded a new version of File:IMG 20190403 001506.jpg (cropped and rotated)
- 22:20, 2 April 2019 Mahjongg talk contribs uploaded File:IMG 20190403 001506.jpg (The naked new born with keyboard)
- 22:18, 2 April 2019 Mahjongg talk contribs uploaded File:IMG 20190403 001201.jpg (The new born)
- 22:10, 2 April 2019 Mahjongg talk contribs uploaded File:IMG 20190403 000550.jpg (First power front view)
- 22:09, 2 April 2019 Mahjongg talk contribs uploaded File:IMG 20190403 000459.jpg (First power 2)
- 22:07, 2 April 2019 Mahjongg talk contribs uploaded File:IMG 20190403 000449.jpg (First power 1)
- 09:59, 2 April 2019 Mahjongg talk contribs uploaded a new version of File:IMG 20190402 114017.jpg (cropped)
- 09:43, 2 April 2019 Mahjongg talk contribs uploaded File:IMG 20190402 114017.jpg (The last few parts are in)
- 11:28, 1 April 2019 Mahjongg talk contribs uploaded a new version of File:IMG 20190330 213317.jpg (cropped)
- 00:12, 31 March 2019 Mahjongg talk contribs uploaded a new version of File:IMG 20190331 005754.jpg (cropped)
- 23:59, 30 March 2019 Mahjongg talk contribs uploaded File:IMG 20190331 005754.jpg (Party assemblee)
- 21:03, 30 March 2019 Mahjongg talk contribs uploaded File:IMG 20190330 213317.jpg
- 21:02, 30 March 2019 Mahjongg talk contribs uploaded File:IMG 20190330 212947.jpg
- 21:01, 30 March 2019 Mahjongg talk contribs uploaded File:IMG 20190330 205013.jpg
- 12:05, 29 March 2019 Mahjongg talk contribs uploaded File:RHOCOCO rev 1.8 assembly list.pdf (Spreadsheet to assist assembly of RhoCoCo rev 1.8)
- 12:05, 29 March 2019 Mahjongg talk contribs uploaded File:Rhococo rev 1.8 component overview.pdf (Drawing to assist assembly of Rhococo rev 1.8)
- 14:36, 28 March 2019 Mahjongg talk contribs uploaded a new version of File:IMG 20190328 152503.jpg (cropped)
- 14:29, 28 March 2019 Mahjongg talk contribs uploaded File:IMG 20190328 152503.jpg
- 22:11, 26 March 2019 Mahjongg talk contribs uploaded a new version of File:RHOCOCO rev 1.8 BOM.pdf
- 22:09, 26 March 2019 Mahjongg talk contribs uploaded a new version of File:RHOCOCO rev 1.8 BOM.pdf (correctie celhoogste 10K weerstanden)
- 22:06, 26 March 2019 Mahjongg talk contribs uploaded a new version of File:RHOCOCO rev 1.8 BOM.pdf (afdrukgebied gecorrigeerd)
- 22:03, 26 March 2019 Mahjongg talk contribs uploaded a new version of File:RHOCOCO rev 1.8 BOM.pdf (update, onbestelbare onderdelen vervangen, slecht leverbare besteld voor 5 stuks)
- 13:43, 20 March 2019 Mahjongg talk contribs uploaded File:RHOCOCO rev 1.8 BOM.pdf (.PDF version of the BOM)
- 00:15, 20 March 2019 Mahjongg talk contribs uploaded File:Schermafdruk van 2019-03-20 01-13-00.png (Screen-shot of spreadsheet with part of the BOM for rhococo rev1.8)
- 19:37, 7 March 2019 Mahjongg talk contribs uploaded File:IMG 20190307 202855.jpg (Hopelijk iets betere. Foto)
- 19:17, 7 March 2019 Mahjongg talk contribs uploaded a new version of File:IMG 20190307 195208.jpg (cropped and resized)
- 19:14, 7 March 2019 Mahjongg talk contribs uploaded a new version of File:IMG 20190307 195152.jpg (cropped)
- 19:10, 7 March 2019 Mahjongg talk contribs uploaded a new version of File:IMG 20190306 200302.jpg (cropped)
- 18:56, 7 March 2019 Mahjongg talk contribs uploaded File:IMG 20190307 195208.jpg
- 18:55, 7 March 2019 Mahjongg talk contribs uploaded File:IMG 20190307 195152.jpg
- 18:54, 7 March 2019 Mahjongg talk contribs uploaded File:IMG 20190307 195142.jpg
- 18:53, 7 March 2019 Mahjongg talk contribs uploaded File:IMG 20190307 194938.jpg
- 18:44, 7 March 2019 Mahjongg talk contribs uploaded File:IMG 20190306 200302.jpg
- 23:14, 3 March 2019 Mahjongg talk contribs uploaded File:Schermafbeelding 2019-02-26 om 23.59.55.png (you need to buy 62 1$ PCB's to pay for a $62 order)
- 10:07, 1 February 2019 Mahjongg talk contribs uploaded a new version of File:Ordering 10x10cm PCB.png (cropped)
- 10:03, 1 February 2019 Mahjongg talk contribs uploaded a new version of File:Ordering the keyboard PCBs.png (cropped)
- 22:28, 29 January 2019 Mahjongg talk contribs uploaded File:Ordering the keyboard PCBs.png (185 mm x 100mm keyboard PCB)
- 22:19, 29 January 2019 Mahjongg talk contribs uploaded File:Ordering 10x10cm PCB.png (ordering main PCB 10cmx10cm)
- 21:29, 29 January 2019 Mahjongg talk contribs uploaded File:Login at PCBWay.png (main page of PCBWay, logging in as mahjongg)
- 18:34, 17 January 2019 Mahjongg talk contribs uploaded File:Rhococo keys detail, with 3mm thick wood.PNG (Test to see if 3mm thick wood on a 5.8mm high brass standoff offers gives the keys enough height to peek through the hole above the wood, left key is "pressed" (0.35mm lowered). Conclusion, all is well.)
- 18:31, 17 January 2019 Mahjongg talk contribs uploaded a new version of File:RhoCoCo 3D preview rendering with slanted keyboard 2.PNG (Now with softly rounded keytops)
- 18:29, 8 January 2019 Mahjongg talk contribs uploaded a new version of File:RhoCoCo 3D preview rendering with slanted keyboard 2.PNG (Curved top plate, and closed side plate)
- 16:23, 21 December 2018 Mahjongg talk contribs uploaded a new version of File:RhoCoCo 3D preview rendering with slanted keyboard.PNG (Updated, side-view with main PCB now on 5.8mm standoffs, and front, back and back-top plate)
- 14:23, 21 December 2018 Mahjongg talk contribs uploaded a new version of File:RhoCoCo 3D preview rendering with slanted keyboard 2.PNG (Using the right picture this time :-))
- 14:22, 21 December 2018 Mahjongg talk contribs uploaded a new version of File:RhoCoCo 3D preview rendering with slanted keyboard 2.PNG (Corrected location of main PCB, with connectors outside the case.)
- 14:08, 21 December 2018 Mahjongg talk contribs uploaded File:RhoCoCo 3D preview rendering with slanted keyboard 2.PNG (Rhococo enclosure with slanted keyboard, open sides.)
- 18:20, 19 December 2018 Mahjongg talk contribs uploaded File:RhoCoCo 3D preview rendering with slanted keyboard.PNG (side view of Rhococo with 10 degrees slanted keyboard, and mainboard moved under it. Keyboard PCB is now mounted to keyboard plate with 5.8mm brass inserts)
- 22:53, 18 December 2018 Mahjongg talk contribs uploaded a new version of File:S-l1600.jpg (cropped, and changed to 8-lead version.)
- 22:38, 18 December 2018 Mahjongg talk contribs uploaded File:S-l1600.jpg (The type of ribbon cable I have in mind)
- 22:19, 18 December 2018 Mahjongg talk contribs uploaded File:Rhococo keyboard PCB Layout for rev 1,8.png (8x8mm Corner cutouts, enlarged solderpads for 6-wire and 8-wire cables.)
- 14:37, 17 December 2018 Mahjongg talk contribs uploaded a new version of File:RhoCoCo 3D full preview rendering with red enclosure.PNG (Keyboard key positions updated from keyboard PCB gerber. Solid instead of semi-transparent)
- 17:04, 10 December 2018 Mahjongg talk contribs uploaded File:RhoCoCo 3D full preview rendering with red enclosure.PNG
- 12:37, 10 December 2018 Mahjongg talk contribs uploaded a new version of File:Rhococo concept art.png (Revision 1.8. Moved speaker. Corrected SRAM chip to DIP-32)
- 12:25, 10 December 2018 Mahjongg talk contribs uploaded a new version of File:Rhococo revision 1.8.png (Restored missing stereo jack)
- 12:09, 10 December 2018 Mahjongg talk contribs uploaded File:Rhococo revision 1.8.png (Final version rev 1,8. Checked and updated (corrected size of RAM chip from DIP-28 to DIP-32) and made various other corrections and tweaks.)
- 10:44, 10 December 2018 Mahjongg talk contribs uploaded File:RhoCoCo rev1,8 keyboard PCB rendering bottom.PNG (PCB rendering keyboard for rev1,8 bottom (solder) side)
- 10:43, 10 December 2018 Mahjongg talk contribs uploaded File:RhoCoCo rev1,8 keyboard PCB rendering top.PNG (PCB rendering keyboard for rev 1,8 top)
- 10:39, 10 December 2018 Mahjongg talk contribs uploaded File:RhoCoCo rev1,8 PCB rendering bottom.PNG (Rev1,8 PCB pre-rendering bottom)
- 10:36, 10 December 2018 Mahjongg talk contribs uploaded File:RhoCoCo rev1,8 PCB rendering top.PNG (Revision 1.8 PCB pre-rendering top side)
- 20:51, 9 December 2018 Mahjongg talk contribs uploaded a new version of File:Rhococo keyboard.png (Deluxe Version for rev 1,8)
- 20:40, 9 December 2018 Mahjongg talk contribs uploaded a new version of File:FULL RHOCOCO-keyboard-io.png (Revision 1,8 of December 9, 2018)
- 20:39, 9 December 2018 Mahjongg talk contribs uploaded a new version of File:FULL RHOCOCO-z80.png (Revision 1,8 with 256K memory mapper)
- 20:33, 9 December 2018 Mahjongg talk contribs uploaded a new version of File:FULL RHOCOCO-main.png
- 20:05, 9 December 2018 Mahjongg talk contribs uploaded File:RHOCOCO rev 1,8 schematic.pdf (Final version with 256K memory mapper rev 1,8 December 9, 2018)
- 20:03, 9 December 2018 Mahjongg talk contribs uploaded File:Rhococo rev 1,8.png (Finalized version rev1,8. With 256K memory mapper)
- 17:31, 5 December 2018 Mahjongg talk contribs moved page RhoCoCo Retro Home COlor COmputer to Designing the RhoCoCo Retro Home COlor COmputer hardware (page becomes very long, next up will be software design)
- 17:31, 5 December 2018 Mahjongg talk contribs moved page Talk:RhoCoCo Retro Home COlor COmputer to Talk:Designing the RhoCoCo Retro Home COlor COmputer hardware (page becomes very long, next up will be software design)
- 00:07, 5 December 2018 Mahjongg talk contribs uploaded File:Rhococo rev 1,7 fully layed out.png (All connections made (100% routed) rev 1,7, needs another round of optimizing and cleanup. December 5, 2018.)
- 18:16, 2 December 2018 Mahjongg talk contribs uploaded a new version of File:RHOCOCO rev 1,7.pdf (mapper address lines A14, A15 and A16 to expansion port)
- 18:03, 2 December 2018 Mahjongg talk contribs uploaded a new version of File:Rhococo rev 1,7 partly layed out.png (2 december More work done, RAM-A14 RAM-A15 and RAM-A16 to expansion connector, LS670 labeled on silk screen)
- 13:52, 29 November 2018 Mahjongg talk contribs uploaded a new version of File:Rhococo concept art.png (Even more colorful text, which highlights the Rho in Rhococo)
- 11:18, 29 November 2018 Mahjongg talk contribs uploaded a new version of File:Rhococo concept art.png (Added 74LS670 memory mapper)
- 16:39, 28 November 2018 Mahjongg talk contribs uploaded a new version of File:Rhococo with 74LS670 PCB.png (More realistic resistor size for cheap generic 1/4 watt resistors.)
- 12:01, 28 November 2018 Mahjongg talk contribs uploaded a new version of File:Rhococo with 74LS670 PCB.png (IMPROVED PLACEMENT due to having done some layout optimizations, more correct rendering.)
- 00:06, 28 November 2018 Mahjongg talk contribs uploaded a new version of File:Rhococo rev 1,7 partly layed out.png (about 60% ready)
- 23:16, 27 November 2018 Mahjongg talk contribs uploaded File:Rhococo rev 1,7 partly layed out.png (at circa 50% finished)
- 22:59, 27 November 2018 Mahjongg talk contribs uploaded File:RHOCOCO rev 1,7.pdf (Version with SN74LS670 memory mapper (128K))