User contributions for Mahjongg
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30 August 2022
- 16:0416:04, 30 August 2022 diff hist 0 File:ZX-81Keyboard color.png Mahjongg uploaded a new version of File:ZX-81Keyboard color.png
- 15:5715:57, 30 August 2022 diff hist 0 File:ZX-81Keyboard color.pdf Mahjongg uploaded a new version of File:ZX-81Keyboard color.pdf
- 00:4500:45, 30 August 2022 diff hist +253 ZX81plus38 simple to build ZX-81 clone →Sunday August 28, 2022 Started designing the ZX81+38 Keyboard PCB
- 00:4200:42, 30 August 2022 diff hist +547 ZX81plus38 simple to build ZX-81 clone →Sunday August 28, 2022 Started designing the ZX81+38 Keyboard PCB
- 00:2300:23, 30 August 2022 diff hist +7 ZX81plus38 simple to build ZX-81 clone →Sunday August 28, 2022 Started designing the ZX81+38 Keyboard PCB
- 00:2300:23, 30 August 2022 diff hist +74 ZX81plus38 simple to build ZX-81 clone →Sunday August 28, 2022 Started designing the ZX81+38 Keyboard PCB
- 00:2100:21, 30 August 2022 diff hist +130 N 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
28 August 2022
- 18:4718:47, 28 August 2022 diff hist −1 ZX81plus38 simple to build ZX-81 clone →Sunday August 28, 2022 Started designing the ZX81+38 Keyboard PCB
- 18:4718:47, 28 August 2022 diff hist 0 ZX81plus38 simple to build ZX-81 clone →Sunday August 28, 2022 Started designing the ZX81+38 Keyboard PCB
- 18:4618:46, 28 August 2022 diff hist +41 ZX81plus38 simple to build ZX-81 clone →Sunday August 28, 2022 Started designing the ZX81+38 Keyboard PCB
- 18:4518:45, 28 August 2022 diff hist 0 N File:ZX-81Keyboard color.png No edit summary
- 18:4118:41, 28 August 2022 diff hist +2 ZX81plus38 simple to build ZX-81 clone →Sunday August 28, 2022 Started designing the ZX81+38 Keyboard PCB
- 18:4118:41, 28 August 2022 diff hist +32 ZX81plus38 simple to build ZX-81 clone →Sunday August 28, 2022 Started designing the ZX81+38 Keyboard PCB
- 18:4018:40, 28 August 2022 diff hist +26 N File:ZX-81Keyboard color.pdf revision 1.0
- 18:3818:38, 28 August 2022 diff hist +105 ZX81plus38 simple to build ZX-81 clone →August 23, 2022 Modify prototype keyboard to fit on top of ZX-81
23 August 2022
- 23:4923:49, 23 August 2022 diff hist +187 ZX81plus38 simple to build ZX-81 clone →August 23, 2022 Modify prototype keyboard to fit on top of ZX-81
- 23:4623:46, 23 August 2022 diff hist +264 ZX81plus38 simple to build ZX-81 clone →August 23, 2022 Modify prototype keyboard to fit on top of ZX-81
- 23:4223:42, 23 August 2022 diff hist 0 N File:Keyboard with rainbow coloured cablels.JPG No edit summary current
- 21:4221:42, 23 August 2022 diff hist +86 ZX81plus38 simple to build ZX-81 clone →August 23, 2022 Modify prototype keyboard to fit on top of ZX-81
- 21:4021:40, 23 August 2022 diff hist 0 N File:The back of the in height reduced keyboard PCB with matrix wiring.JPG No edit summary current
- 21:3621:36, 23 August 2022 diff hist +165 ZX81plus38 simple to build ZX-81 clone →August 23, 2022 Modify prototype keyboard to fit on top of ZX-81
- 21:2621:26, 23 August 2022 diff hist +128 ZX81plus38 simple to build ZX-81 clone →August 23, 2022 Modify prototype keyboard to fit on top of ZX-81
- 21:2421:24, 23 August 2022 diff hist 0 N File:Cut one row more is needed.JPG No edit summary current
- 20:2220:22, 23 August 2022 diff hist 0 ZX81plus38 simple to build ZX-81 clone →August 23, 2022 Modify prototype keyboard to fit on top of ZX-81
- 20:2120:21, 23 August 2022 diff hist −56 ZX81plus38 simple to build ZX-81 clone →August 23, 2022 Modify prototype keyboard to fit on top of ZX-81
- 20:2020:20, 23 August 2022 diff hist +177 ZX81plus38 simple to build ZX-81 clone →August 23, 2022 Repaired joystick logic in revision 1.9
- 20:1620:16, 23 August 2022 diff hist 0 N File:ZXkeyboard on top of ZX-81.JPG No edit summary current
- 20:1120:11, 23 August 2022 diff hist +383 ZX81plus38 simple to build ZX-81 clone →August 23, 2022 Repaired joystick logic in revision 1.9
- 15:4015:40, 23 August 2022 diff hist +68 ZX81plus38 simple to build ZX-81 clone →August 22, 2022 Tests reveal joystick logic not working
- 15:3415:34, 23 August 2022 diff hist +84 ZX81plus38 simple to build ZX-81 clone →August 23, 2022 Repaired joystick logic in revision 1.9
- 15:3215:32, 23 August 2022 diff hist −5 ZX81plus38 simple to build ZX-81 clone No edit summary
- 15:3115:31, 23 August 2022 diff hist +5 ZX81plus38 simple to build ZX-81 clone No edit summary
- 15:3015:30, 23 August 2022 diff hist +31 N File:PCB Preview ZX81+38 rev 1,9 top.png Lates PCB preview current
- 14:4314:43, 23 August 2022 diff hist +476 ZX81plus38 simple to build ZX-81 clone →May 3, 2022 After more than two year of covid related delay I finally re-started building my own copy
- 14:3314:33, 23 August 2022 diff hist +166 ZX81plus38 simple to build ZX-81 clone →August 22, 2022 Tests reveal joystick logic not working
- 14:3014:30, 23 August 2022 diff hist +48 N File:ZX81+38 rev 1.9 component placement.png added RN3 resistor network 5 x 10K
- 13:5413:54, 23 August 2022 diff hist +38 ZX81plus38 simple to build ZX-81 clone →August 22, 2022 Tests reveal joystick logic not working
- 13:5113:51, 23 August 2022 diff hist 0 File:ZX81plus38rev1,9.png Mahjongg uploaded a new version of File:ZX81plus38rev1,9.png
- 13:4413:44, 23 August 2022 diff hist +100 N File:ZX81plus38rev1,9.png picture version (.PNG medium quality) of revision 1.9 with improved joystick circuitry
- 13:3113:31, 23 August 2022 diff hist +80 ZX81plus38 simple to build ZX-81 clone →August 22, 2022 Tests reveal joystick logic not working
- 13:3013:30, 23 August 2022 diff hist +115 N File:ZX81plus38rev1,9.pdf revision 1.9 has revised joystick circuitry, with R23 = 1K and 10K pulldowns on bases of transistors.
22 August 2022
- 16:0316:03, 22 August 2022 diff hist −103 ZX81plus38 simple to build ZX-81 clone →August 22, 2022 Tests reveal joystick logic not working
- 15:5915:59, 22 August 2022 diff hist +70 ZX81plus38 simple to build ZX-81 clone →August 22, 2022 Tests reveal joystick logic not working
- 15:5115:51, 22 August 2022 diff hist +1,686 ZX81plus38 simple to build ZX-81 clone →August 10, 2022 its working, but have yet to connect the keyboard
9 August 2022
- 23:5323:53, 9 August 2022 diff hist +289 ZX81plus38 simple to build ZX-81 clone →August 10, 2022 its working, but have yet to connect the keyboard
- 23:4123:41, 9 August 2022 diff hist +629 ZX81plus38 simple to build ZX-81 clone →August 3, 2022 bad luck, I'm missing one HC IC
2 August 2022
- 22:5722:57, 2 August 2022 diff hist −1 m ZX81plus38 simple to build ZX-81 clone →August 3, 2022 bad luck, I'm missing one HC IC
- 22:5622:56, 2 August 2022 diff hist +79 ZX81plus38 simple to build ZX-81 clone →August 3, 2022 bad luck, Iḿ missing one IC
- 22:5222:52, 2 August 2022 diff hist +426 ZX81plus38 simple to build ZX-81 clone →August 3, 2022 bad luck, Iḿ missing one IC
- 22:4222:42, 2 August 2022 diff hist +859 ZX81plus38 simple to build ZX-81 clone →July 26, 2022 Updated all revision 1.8 files on GitHub