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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).
- 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)
