Uploads by Mahjongg
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This special page shows all uploaded files.
| Date | Name | Thumbnail | Size | Description | Versions |
|---|---|---|---|---|---|
| 22:24, 16 January 2018 | Achterlicht.jpg (file) |  |
29 KB | 1 | |
| 02:50, 23 March 2022 | PSG with sd-card interface for ZX81plus35 REV 2.2.pdf (file) |  |
29 KB | New version with corrected 74HCT02 but also with the changes to the SD-CARD interface that makes it working | 1 |
| 18:29, 28 March 2022 | Layout sound expansion rev2.2 component overview.png (file) |  |
29 KB | updated component overview | 1 |
| 21:52, 9 October 2018 | Rhococo keyboard PCB Layout rev 1.2 2018-10-09.png (file) |  |
29 KB | Deluxe keyboard with 3 added keys, and larger space-bar. | 1 |
| 13:11, 16 April 2014 | Keyboard layout.pdf (file) | |
31 KB | Keyboard layout drawn to scale | 1 |
| 21:36, 17 April 2022 | ZX81+38 rev 1.6 component placement.png (file) |  |
31 KB | component placement drawing for ZX81+38 rev 1.6 | 1 |
| 12:05, 29 March 2019 | Rhococo rev 1.8 component overview.pdf (file) | |
31 KB | Drawing to assist assembly of Rhococo rev 1.8 | 1 |
| 23:54, 9 February 2016 | Galaksija.jpg (file) |  |
32 KB | 1 | |
| 23:52, 9 February 2016 | Galaksija 1984.jpg (file) |  |
32 KB | galaksija from Wikipedia | 1 |
| 16:42, 18 July 2018 | RHOCOCO KEYBOARD with Joystick.pdf (file) | |
32 KB | Name corrected | 1 |
| 23:03, 21 May 2019 | Vga text spin.pdf (file) | |
33 KB | 1 | |
| 18:33, 29 November 2016 | Z81plus34 BOM.ods (file) |  |
34 KB | version with no + in filename | 1 |
| 15:29, 25 March 2016 | Picture of Spice model of cassette interface ZX81+35.png (file) |  |
34 KB | picture of improved cassette interface | 1 |
| 13:49, 27 July 2018 | Preview rhococo fitted on a 10 x 10cm PCB back.PNG (file) |  |
35 KB | With 600 mil wide RAM | 3 |
| 21:21, 30 June 2020 | Old gerbers Rev 4,0 detail.png (file) |  |
35 KB | This detail shows the problems clearly | 1 |
| 21:12, 23 April 2017 | 4093 based simple two tone siren.png (file) |  |
36 KB | 1 | |
| 18:33, 29 October 2019 | Layout sound expansion rev2.1 component overview.png (file) |  |
37 KB | component overview | 1 |
| 23:46, 12 February 2016 | Galaksija schematic.png (file) |  |
37 KB | rotated for better view | 2 |
| 18:28, 5 April 2016 | 1e ontwerp concept bodem.png (file) |  |
38 KB | 1e concept van bodem ZX81+35 | 1 |
| 22:31, 10 October 2017 | SNES JOYPAD.pdf (file) | |
38 KB | New Schematic made with KiCAD | 1 |
| 03:48, 6 September 2022 | ZX-81Keyboard color.pdf (file) | |
40 KB | corrected orientation of J3 (keyboard data connector) | 3 |
| 00:20, 10 January 2023 | TZXDuino pico schematic.pdf (file) | |
41 KB | rotated card holder & 0805 resistors | 2 |
| 13:09, 16 April 2014 | Nieuw keyboard ZX14.pdf (file) | |
41 KB | Scaled keyboard overlay | 1 |
| 16:50, 10 January 2023 | Preview top copper of TZXDuino-pico.png (file) |  |
41 KB | 1 | |
| 20:01, 4 September 2019 | ZX-81plus35 Keyboard.pdf (file) | |
43 KB | Rev 1.1 with corrected D4 .. D0 order | 1 |
| 23:02, 27 August 2019 | ZX-81 Keyboard PCB.pdf (file) | |
43 KB | Schematic of ZX81+35 keyboard PCB for ZX81+35 revision 4.0 | 1 |
| 17:56, 14 July 2023 | TZXDuino pico schematic rev 1.3.pdf (file) | |
43 KB | 1 | |
| 22:32, 3 July 2018 | RHOCOCCO Z80CPU+RAM.pdf (file) | |
44 KB | Z80 (5V) subsystem with RAM, and low address readout store | 1 |
| 20:21, 24 October 2015 | Magnavox odyssey playing tennis.jpg (file) |  |
45 KB | the magnavox odyssey playing the tennis (PONG) game. | 1 |
| 00:38, 23 March 2016 | Cassette interface march 23 2016.png (file) |  |
45 KB | first revised cassette interface | 1 |
| 17:07, 28 March 2016 | Average value after 0,15 sec with 4.7nF cap.png (file) |  |
47 KB | 1 | |
| 13:26, 21 November 2018 | Memory mapper.PNG (file) |  |
47 KB | Corrected version, A14 A15 now on the read inputs, and Z80-D0 Z80-D1 on the write inputs | 2 |
| 22:02, 9 October 2018 | Keyboard for rhococo rev 1.2.pdf (file) | |
48 KB | Deluxe version with 3 extra keys, and 3 keys for space-bar | 1 |
| 16:48, 28 March 2016 | Average value after 0,15 sec with 10uF cap.png (file) |  |
48 KB | 1 | |
| 19:27, 30 March 2022 | PSG sound expansion BOM.pdf (file) | |
48 KB | 1 | |
| 00:22, 7 July 2023 | Sherry MX1A-E1NW keyboard.pdf (file) | |
49 KB | 1 | |
| 21:29, 22 June 2022 | ZX81+38 rev 1.7 component placement.png (file) |  |
49 KB | Updated version with U21 = 74HC04 ,rotated J3 and R21 = 330R | 1 |
| 10:44, 22 November 2017 | Right-angle-gold-rca-jack-pcb-mount-6.jpg (file) |  |
50 KB | 1 | |
| 18:39, 10 November 2017 | Space invaders pseudo ruis generator.pdf (file) | |
53 KB | 1 | |
| 16:09, 18 May 2017 | 8x8 led sequencer.PNG (file) |  |
53 KB | 1 | |
| 22:11, 26 March 2019 | RHOCOCO rev 1.8 BOM.pdf (file) | |
54 KB | 5 | |
| 23:04, 21 May 2019 | Vga spin.pdf (file) | |
54 KB | 1 | |
| 22:30, 28 March 2017 | PCB for Joypad and Console.png (file) |  |
55 KB | Artists impression of PCB, with components on backside | 1 |
| 16:23, 21 December 2018 | RhoCoCo 3D preview rendering with slanted keyboard.PNG (file) |  |
55 KB | Updated, side-view with main PCB now on 5.8mm standoffs, and front, back and back-top plate | 2 |
| 03:54, 6 September 2022 | ZX-81Keyboard color.png (file) |  |
56 KB | corrected J3 wiring | 3 |
| 16:06, 28 May 2018 | Mini80b.pdf (file) | |
56 KB | basic CP/M system with z80 and propeller chip | 1 |
| 14:16, 2 April 2017 | Space-invaders-console.jpg (file) |  |
57 KB | 1 | |
| 20:40, 2 May 2023 | ZX81+38 rev 1.9 component placement.png (file) |  |
59 KB | Moved 15pF capacitors below crystal, and RP1 is a 10K resistor packet | 3 |
| 00:06, 10 January 2018 | Rfachterlicht2,0.pdf (file) | |
59 KB | 1 | |
| 11:16, 5 September 2018 | RhoCoCo rev 1.4 bottom layer.png (file) |  |
62 KB | cropped to exclude KiCad window | 2 |
