User contributions for Mahjongg
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11 September 2020
- 23:5823:58, 11 September 2020 diff hist +29 ZX81plus38 simple to build ZX-81 clone →I managed to work from home
- 23:4523:45, 11 September 2020 diff hist +82 N File:ZX81plus38 BOM.ods The Bill Of materials plus order codes for either Farnell, or Mouser current
- 23:4323:43, 11 September 2020 diff hist +136 ZX81plus38 simple to build ZX-81 clone →I managed to work from home
- 23:3923:39, 11 September 2020 diff hist +68 N File:ZX81plus38Rev1.4BW.pdf Final schematic of ZX-81+38 rev 1.4 in black and white current
- 23:3423:34, 11 September 2020 diff hist +536 ZX81plus38 simple to build ZX-81 clone →Due to the COVID-19 crisis progress has temporarily halted
3 September 2020
- 03:3203:32, 3 September 2020 diff hist +56 ZX81plus38 simple to build ZX-81 clone →April 10, ZX-81plus38 PCB is finished
- 03:3003:30, 3 September 2020 diff hist +107 ZX81plus38 simple to build ZX-81 clone →April 10, ZX-81plus38 PCB is finished
30 August 2020
- 15:3715:37, 30 August 2020 diff hist +34 m ZX81plus38 simple to build ZX-81 clone →Due to the COVID-19 crisis progress has temporarily halted
- 14:2814:28, 30 August 2020 diff hist +35 ZX81plus38 simple to build ZX-81 clone →April 10, ZX-81plus38 PCB is finished
- 14:1014:10, 30 August 2020 diff hist +3 m ZX81plus38 simple to build ZX-81 clone →Due to the COVID-19 crisis progress has temporarily halted
29 July 2020
- 16:2816:28, 29 July 2020 diff hist −110 Designing the RhoCoCo Retro Home COlor COmputer hardware →Keyboard connections are not wrong, only the spectrum, is not ZX-81, compatible current
- 16:2716:27, 29 July 2020 diff hist +7 Designing the RhoCoCo Retro Home COlor COmputer hardware →Keyboard connections are not wrong, only spectrum, not ZX-81, compatible
21 July 2020
- 17:5517:55, 21 July 2020 diff hist +458 Designing the RhoCoCo Retro Home COlor COmputer hardware →I think I found a solution for the generation of an SPI signal for the SD-card reader
- 17:4917:49, 21 July 2020 diff hist +20 ZX81plus38 simple to build ZX-81 clone →Due to the COVID-19 crisis progress has halted
- 17:4917:49, 21 July 2020 diff hist +1 m ZX81plus38 simple to build ZX-81 clone →Due to the COVID-19 crisis progress has halted
- 17:4817:48, 21 July 2020 diff hist +370 ZX81plus38 simple to build ZX-81 clone →April 10, ZX-81plus38 PCB is finished
- 17:4317:43, 21 July 2020 diff hist +18 ZX81plus38 simple to build ZX-81 clone →September 18, 2019 I started the design
- 17:4117:41, 21 July 2020 diff hist +1 ZX81PLUS35 ZX81 clone →June 2020 I received news about errors in the latest gerber files
- 17:3917:39, 21 July 2020 diff hist −6 ZX81PLUS35 ZX81 clone →June 2020 I received news about errors in the latest gerber files
- 17:3717:37, 21 July 2020 diff hist +40 ZX81PLUS35 ZX81 clone →June 2020 I received news about errors in the latest gerber files
- 17:3517:35, 21 July 2020 diff hist +4 m ZX81PLUS35 ZX81 clone →June 2020 I received news about errors in the latest gerber files
10 July 2020
- 14:4914:49, 10 July 2020 diff hist +13 ZX81PLUS35 ZX81 clone No edit summary
- 14:4914:49, 10 July 2020 diff hist +1 ZX81PLUS35 ZX81 clone No edit summary
- 14:4714:47, 10 July 2020 diff hist +47 ZX81PLUS35 ZX81 clone No edit summary
- 14:4614:46, 10 July 2020 diff hist +1 m ZX81PLUS35 ZX81 clone No edit summary
- 14:4514:45, 10 July 2020 diff hist +390 ZX81PLUS35 ZX81 clone No edit summary
30 June 2020
- 21:5521:55, 30 June 2020 diff hist +35 ZX81PLUS35 ZX81 clone →June 2020 I received news about errors in the latest gerber files
- 21:5521:55, 30 June 2020 diff hist +67 N File:ZX81+35 REV 4.1 schematic.pdf The lates schematic, 30 June, 2020 rev 4,1 of ZX81+35 current
- 21:5321:53, 30 June 2020 diff hist +330 ZX81PLUS35 ZX81 clone →June 2020 I received news about errors in the latest gerber files
- 21:4721:47, 30 June 2020 diff hist +48 ZX81PLUS35 ZX81 clone →June 2020 I received news about errors in the latest gerber files
- 21:4521:45, 30 June 2020 diff hist 0 N File:New Gerbers Rev 4,1 detail.png No edit summary current
- 21:4321:43, 30 June 2020 diff hist +40 ZX81PLUS35 ZX81 clone →June 2020 I received news about errors in the latest gerber files
- 21:4121:41, 30 June 2020 diff hist +54 N File:New Gerbers Rev 4,1.png New version 4,1 with correct solder mask current
- 21:3921:39, 30 June 2020 diff hist +757 ZX81PLUS35 ZX81 clone →June 2020 I received news about the latest gerber files
- 21:3021:30, 30 June 2020 diff hist +3 ZX81PLUS35 ZX81 clone →June 2020 I received news about the latest gerber files
- 21:3021:30, 30 June 2020 diff hist +118 ZX81PLUS35 ZX81 clone →June 2020 I received news about the latest gerber files
- 21:2721:27, 30 June 2020 diff hist +1 ZX81PLUS35 ZX81 clone →June 2020 I received news about the latest gerber files
- 21:2621:26, 30 June 2020 diff hist 0 ZX81PLUS35 ZX81 clone →June 2020 I received news about the latest gerber files
- 21:2521:25, 30 June 2020 diff hist 0 ZX81PLUS35 ZX81 clone →June 2020 I received news about the latest gerber files
- 21:2421:24, 30 June 2020 diff hist +132 ZX81PLUS35 ZX81 clone →June 2020 I received news about the latest gerber files
- 21:2121:21, 30 June 2020 diff hist +52 N File:Old gerbers Rev 4,0 detail.png This detail shows the problems clearly current
- 21:2021:20, 30 June 2020 diff hist +136 N 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. current
- 21:1821:18, 30 June 2020 diff hist +388 ZX81PLUS35 ZX81 clone →October 21, 2016 Received a free built ZX81+35 and its working
23 April 2020
- 21:2821:28, 23 April 2020 diff hist +2 m ZX81plus38 simple to build ZX-81 clone →April 10, ZX-81plus38 PCB is finished
16 April 2020
- 09:0209:02, 16 April 2020 diff hist −4 m Galaksija No edit summary
10 April 2020
- 12:4512:45, 10 April 2020 diff hist 0 File:Final ZX81plus38 PCB rev 1,4 silk screen top.PNG Mahjongg uploaded a new version of File:Final ZX81plus38 PCB rev 1,4 silk screen top.PNG current
- 12:4212:42, 10 April 2020 diff hist +4 ZX81plus38 simple to build ZX-81 clone →March 26, ZX-81plus38 is finished
- 12:4112:41, 10 April 2020 diff hist −1 ZX81plus38 simple to build ZX-81 clone No edit summary
- 12:4012:40, 10 April 2020 diff hist 0 File:Final ZX81plus38 PCB rev 1,4 bottom view.PNG Mahjongg uploaded a new version of File:Final ZX81plus38 PCB rev 1,4 bottom view.PNG current
- 12:3712:37, 10 April 2020 diff hist 0 File:Final ZX81plus38 PCB rev 1,4 top view.PNG Mahjongg uploaded a new version of File:Final ZX81plus38 PCB rev 1,4 top view.PNG current
26 March 2020
- 15:1615:16, 26 March 2020 diff hist +135 ZX81plus38 simple to build ZX-81 clone →March 26, ZX-81plus38 is finished
- 15:1315:13, 26 March 2020 diff hist +223 ZX81plus38 simple to build ZX-81 clone →March 26, ZX-81plus38 is finished
- 15:1015:10, 26 March 2020 diff hist +65 ZX81plus38 simple to build ZX-81 clone →March 26, ZX-81plus38 is finished
- 15:0815:08, 26 March 2020 diff hist 0 N File:Final ZX81plus38 PCB rev 1,4 silk screen top.PNG No edit summary
- 15:0715:07, 26 March 2020 diff hist +51 m ZX81plus38 simple to build ZX-81 clone →March 26, ZX-81plus38 is finished
- 12:4012:40, 26 March 2020 diff hist +79 ZX81plus38 simple to build ZX-81 clone →March 26, ZX-81plus38 is finished
- 12:3912:39, 26 March 2020 diff hist 0 N File:Final ZX81plus38 PCB rev 1,4 bottom view.PNG No edit summary
- 12:3812:38, 26 March 2020 diff hist +1,150 ZX81plus38 simple to build ZX-81 clone →March 16, RefSpace is closed!
- 12:2312:23, 26 March 2020 diff hist +6 ZX81plus38 simple to build ZX-81 clone No edit summary
- 12:2212:22, 26 March 2020 diff hist 0 N File:Final ZX81plus38 PCB rev 1,4 top view.PNG No edit summary
18 March 2020
- 11:5911:59, 18 March 2020 diff hist +1 ZX81plus38 simple to build ZX-81 clone →March 16, RefSpace is closed!
- 11:5911:59, 18 March 2020 diff hist +7 ZX81plus38 simple to build ZX-81 clone →March 16, RefSpace is closed!
- 11:5811:58, 18 March 2020 diff hist +444 ZX81plus38 simple to build ZX-81 clone →March 16, RefSpace is closed!
- 10:5410:54, 18 March 2020 diff hist +57 ZX81plus38 simple to build ZX-81 clone →March 16, RefSpace is closed!
- 10:5310:53, 18 March 2020 diff hist +13 ZX81plus38 simple to build ZX-81 clone →March 16, RefSpace is closed!
- 10:4410:44, 18 March 2020 diff hist +461 ZX81plus38 simple to build ZX-81 clone →March 11, 2020 Added soldermask, and silkscreen
11 March 2020
- 13:3013:30, 11 March 2020 diff hist +11 ZX81plus38 simple to build ZX-81 clone No edit summary
- 10:4310:43, 11 March 2020 diff hist −4 ZX81plus38 simple to build ZX-81 clone No edit summary
- 10:4110:41, 11 March 2020 diff hist +84 ZX81plus38 simple to build ZX-81 clone →March 11, 2020 Added soldermask, and silkscreen
- 10:4010:40, 11 March 2020 diff hist 0 N File:ZX81plus38 PCB rev 1,4 bottom view.PNG No edit summary current
- 10:3910:39, 11 March 2020 diff hist −13 ZX81plus38 simple to build ZX-81 clone →March 11, 2020 Added soldermask, and silkscreen
- 10:3710:37, 11 March 2020 diff hist 0 N File:ZX81plus38 PCB rev 1,4 top view.PNG No edit summary current
10 March 2020
- 23:5323:53, 10 March 2020 diff hist +67 ZX81plus38 simple to build ZX-81 clone →March 11, 2020 Added soldermask, and silkscreen
- 23:5223:52, 10 March 2020 diff hist +16 ZX81plus38 simple to build ZX-81 clone →March 11, 2020 Added soldermask, and silkscreen
- 23:5123:51, 10 March 2020 diff hist +309 ZX81plus38 simple to build ZX-81 clone →March 4, 2020 layout finished
6 March 2020
- 15:1715:17, 6 March 2020 diff hist +270 ZX81plus38 simple to build ZX-81 clone →March 4, 2020 layout finished
4 March 2020
- 10:2210:22, 4 March 2020 diff hist +181 ZX81plus38 simple to build ZX-81 clone →March 4, 2020 layout finished
- 10:2010:20, 4 March 2020 diff hist +208 ZX81plus38 simple to build ZX-81 clone →March 4, 2020 layout finished
- 10:1610:16, 4 March 2020 diff hist +51 N File:ZX81plus38 copper bottom.PNG PCB layout bottom without solder mask current
- 10:1510:15, 4 March 2020 diff hist +44 N File:ZX81plus38 copper top.PNG Copper top without solder mask current
- 00:3000:30, 4 March 2020 diff hist +42 ZX81plus38 simple to build ZX-81 clone →March 4, 2020 layout finished
- 00:2800:28, 4 March 2020 diff hist +50 N File:ZX81+38 4 maart 2020.png Final 100% routed, with copper fill. current
- 00:2500:25, 4 March 2020 diff hist +152 ZX81plus38 simple to build ZX-81 clone →February 26, 2020
26 February 2020
- 10:4610:46, 26 February 2020 diff hist +1 m ZX81plus38 simple to build ZX-81 clone →January 14, 2020, some progress
25 February 2020
- 23:2523:25, 25 February 2020 diff hist +370 ZX81plus38 simple to build ZX-81 clone →February 19, 2020
- 23:1523:15, 25 February 2020 diff hist 0 N File:Ratsnest ZX81+38 26 Feb 2020.png No edit summary current
18 February 2020
- 23:5823:58, 18 February 2020 diff hist +36 ZX81plus38 simple to build ZX-81 clone →February 19, 2020
- 23:5323:53, 18 February 2020 diff hist +45 ZX81plus38 simple to build ZX-81 clone →February 19, 2020
- 23:5223:52, 18 February 2020 diff hist −27 ZX81plus38 simple to build ZX-81 clone →February 12, 2020
- 23:4823:48, 18 February 2020 diff hist +27 ZX81plus38 simple to build ZX-81 clone →February 12, 2020
- 23:4523:45, 18 February 2020 diff hist +376 ZX81plus38 simple to build ZX-81 clone →February 12, 2020
- 23:3623:36, 18 February 2020 diff hist +77 N File:Finished layout ZX81+38 19 feb 2020 without copper fill.png Finshed layout, no copper fill yet. Expansion port for I/O only current
11 February 2020
- 23:2623:26, 11 February 2020 diff hist +7 ZX81plus38 simple to build ZX-81 clone →February 12, 2020
- 23:2523:25, 11 February 2020 diff hist +368 ZX81plus38 simple to build ZX-81 clone →February 12, 2020
- 23:1723:17, 11 February 2020 diff hist +74 ZX81plus38 simple to build ZX-81 clone →January 28, 2020
- 23:1623:16, 11 February 2020 diff hist +47 N File:Ratsnest ZX81+38 12 Feb 2020.png progression on February 12, 2020. current
28 January 2020
- 23:0423:04, 28 January 2020 diff hist +73 ZX81plus38 simple to build ZX-81 clone →January 22, 2020 more progress
- 23:0323:03, 28 January 2020 diff hist 0 N File:Ratsnest ZX81+38 28 jan 2020.png No edit summary current
21 January 2020
- 23:0323:03, 21 January 2020 diff hist +90 ZX81plus38 simple to build ZX-81 clone →January 14, 2020, some progress
- 23:0123:01, 21 January 2020 diff hist 0 N File:Ratsnest ZX81plus38 22 jan 2020.png No edit summary current
14 January 2020
- 22:2322:23, 14 January 2020 diff hist +152 ZX81plus38 simple to build ZX-81 clone →December 10, 2019, partially routed
- 22:1922:19, 14 January 2020 diff hist +56 N File:Ratsnest ZX81+38 14 jan 2020.png Mahjongg moved page File:Ratsnest ZX81+38 14 jan 2020.png to File:Ratsnest ZX81 plus 38 14 jan 2020.png current Tag: New redirect
- 22:1922:19, 14 January 2020 diff hist 0 m File:Ratsnest ZX81 plus 38 14 jan 2020.png Mahjongg moved page File:Ratsnest ZX81+38 14 jan 2020.png to File:Ratsnest ZX81 plus 38 14 jan 2020.png current
- 22:1722:17, 14 January 2020 diff hist +42 N File:Ratsnest ZX81 plus 38 14 jan 2020.png progress on january 14, 2020
13 January 2020
- 12:2712:27, 13 January 2020 diff hist +42 Hoera10jaar →Aanmeldingen
10 December 2019
- 22:5422:54, 10 December 2019 diff hist +5 ZX81plus38 simple to build ZX-81 clone →December 10, 2019, partially routed
- 22:4122:41, 10 December 2019 diff hist +15 ZX81plus38 simple to build ZX-81 clone →December 3, 2019, partially routed
- 22:3922:39, 10 December 2019 diff hist +87 N File:ZX81plus38 routing progress 10 december 2019.png Added card edge fingers, among more stuff this time enabled the rats nest current
3 December 2019
- 22:5022:50, 3 December 2019 diff hist +1 ZX81plus38 simple to build ZX-81 clone →October 30, 2016 First component placement =
- 22:4922:49, 3 December 2019 diff hist 0 N File:ZX81plus38 routing progress 3 December 2019.png No edit summary current
- 22:4822:48, 3 December 2019 diff hist +3 ZX81plus38 simple to build ZX-81 clone →December 3, 2019, partially routed
- 22:4722:47, 3 December 2019 diff hist +66 N File:ZX81+38 routing progress 3 december 2019.png Mahjongg 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 current Tag: New redirect
- 22:4722:47, 3 December 2019 diff hist 0 m File:ZX81plus38 routing progress 3 december 2019.png Mahjongg 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 current
- 22:4522:45, 3 December 2019 diff hist +1 ZX81plus38 simple to build ZX-81 clone →December 3, 2019, partially routed
- 22:4522:45, 3 December 2019 diff hist +74 ZX81plus38 simple to build ZX-81 clone →November 20, 2019 finished placement, did some power routing
- 22:4122:41, 3 December 2019 diff hist 0 N File:ZX81plus38 routing progress 3 december 2019.png No edit summary
20 November 2019
- 16:1216:12, 20 November 2019 diff hist +4 m ZX81plus38 simple to build ZX-81 clone →November 20, 2019 finished placement, did some power routing
- 16:1116:11, 20 November 2019 diff hist +81 ZX81plus38 simple to build ZX-81 clone →November 20, 2019 finished placement, did some power routing
- 02:0002:00, 20 November 2019 diff hist +1 ZX81plus38 simple to build ZX-81 clone →November 13, 2019 Did a lot of placement optimization
- 01:1701:17, 20 November 2019 diff hist +283 ZX81plus38 simple to build ZX-81 clone →November 13, 2019 Did a lot of placement optimization
- 01:0901:09, 20 November 2019 diff hist +64 N File:Placement and ratnest 2019-11-20 02-05-42.png optimized placement, plus some GND and +5V routing current
19 November 2019
- 17:1417:14, 19 November 2019 diff hist +140 ZX81plus38 simple to build ZX-81 clone →November 13, 2019 Did a lot of placement optimization
- 17:1217:12, 19 November 2019 diff hist +53 N File:ZX81plus38rev 1.4 16 colour.png after optimizing placement 16 color PNG current
- 17:1017:10, 19 November 2019 diff hist 0 File:ZX81plus38rev 1.4.png Mahjongg uploaded a new version of File:ZX81plus38rev 1.4.png current
- 16:5816:58, 19 November 2019 diff hist +40 N File:ZX81plus38rev 1.4.png after optimizing placement
13 November 2019
- 00:2200:22, 13 November 2019 diff hist +42 ZX81plus38 simple to build ZX-81 clone →November 13, 2019 Did a lot of placement optimization
- 00:2100:21, 13 November 2019 diff hist +6 ZX81plus38 simple to build ZX-81 clone →November 13, 2019 Did a lot of placement optimization
- 00:2000:20, 13 November 2019 diff hist +95 ZX81plus38 simple to build ZX-81 clone →November 13, 2019 Did a lot of placement optimisation
- 00:1800:18, 13 November 2019 diff hist +31 ZX81plus38 simple to build ZX-81 clone →November 13, 2019 Did a lot of placement optimisation
- 00:1700:17, 13 November 2019 diff hist +64 N File:ZX81plus38rev 1.4.pdf revision 1.4 after component placing optimization. current
- 00:1500:15, 13 November 2019 diff hist +95 ZX81plus38 simple to build ZX-81 clone →November 6, 2016 re-shaped the DIP pads to accommodate routing two wires between pads
- 00:1300:13, 13 November 2019 diff hist −47 ZX81plus38 simple to build ZX-81 clone →October 20, 2016 rev 1.3 supports 16K ROM's
11 November 2019
- 15:1115:11, 11 November 2019 diff hist +1 ZX81plus38 simple to build ZX-81 clone →October 20, 2016 rev 1.3 supports 16K ROM's
- 15:1015:10, 11 November 2019 diff hist −1 ZX81plus38 simple to build ZX-81 clone →October 20, 2016 rev 1.3 supports 16K ROM's
- 15:0915:09, 11 November 2019 diff hist +47 ZX81plus38 simple to build ZX-81 clone →October 20, 2016 rev 1.3 supports 16K ROM's
- 15:0915:09, 11 November 2019 diff hist −47 ZX81plus38 simple to build ZX-81 clone →October 15, 2019, finished schematic rev1.2 (functionally complete)
- 15:0815:08, 11 November 2019 diff hist +29 N File:ZX81plus38 rev1.3 picture.png Picture version current
- 10:4810:48, 11 November 2019 diff hist +4 m Designing the RhoCoCo Retro Home COlor COmputer hardware →I think I found a solution for the generation of an SPI signal for the SD-card reader
- 10:4710:47, 11 November 2019 diff hist +6 Designing the RhoCoCo Retro Home COlor COmputer hardware →I think I found a solution for the generation of an SPI signal for the SD-card reader
- 10:4310:43, 11 November 2019 diff hist +642 Designing the RhoCoCo Retro Home COlor COmputer hardware →Keyboard connections are not wrong, only spectrum, not ZX-81, compatible
- 10:3410:34, 11 November 2019 diff hist 0 Space invaders repair →11/11/2019 Done a course on CRT repair, and now know how to fix the CRT current
- 10:3310:33, 11 November 2019 diff hist +460 Space invaders repair →Drawn the schematic of the pseudo noise generator
- 10:1410:14, 11 November 2019 diff hist −3 Arcade repair course No edit summary current
5 November 2019
- 23:4123:41, 5 November 2019 diff hist +78 ZX81plus38 simple to build ZX-81 clone →November 6, 2016 re-shaped the DIP pads to accommodate routing two wires between pads
- 23:3923:39, 5 November 2019 diff hist +662 ZX81plus38 simple to build ZX-81 clone →October 30, 2016 First component placement =
- 23:2723:27, 5 November 2019 diff hist +190 N 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. current
3 November 2019
- 00:3300:33, 3 November 2019 diff hist +648 Space invaders repair →Drawn the schematic of the pseudo noise generator
- 00:2200:22, 3 November 2019 diff hist +3 m Space invaders repair No edit summary
- 00:0900:09, 3 November 2019 diff hist 0 Space invaders repair No edit summary
- 00:0400:04, 3 November 2019 diff hist 0 Space invaders repair No edit summary
1 November 2019
- 13:2713:27, 1 November 2019 diff hist +59 Arcade repair course No edit summary
- 11:0411:04, 1 November 2019 diff hist −2 Arcade repair course No edit summary
- 11:0111:01, 1 November 2019 diff hist +1 Space invaders repair →23 september 2017 replaced the last LM3900
- 10:5510:55, 1 November 2019 diff hist +262 Arcade repair course No edit summary
- 10:4510:45, 1 November 2019 diff hist 0 Arcade repair course No edit summary
- 10:4510:45, 1 November 2019 diff hist +47 Arcade repair course No edit summary
- 10:4310:43, 1 November 2019 diff hist +2 Arcade repair course No edit summary
- 10:4210:42, 1 November 2019 diff hist +6 Arcade repair course No edit summary
- 10:4110:41, 1 November 2019 diff hist 0 File:Nationaal video game museum.jpg Mahjongg uploaded a new version of File:Nationaal video game museum.jpg current
- 10:4010:40, 1 November 2019 diff hist +141 Arcade repair course No edit summary
- 10:3810:38, 1 November 2019 diff hist 0 N File:Nationaal video game museum.jpg No edit summary
- 10:3410:34, 1 November 2019 diff hist −17 Arcade repair course No edit summary
- 10:3310:33, 1 November 2019 diff hist 0 N File:Randy Fromm 400x400.png No edit summary current
- 10:3110:31, 1 November 2019 diff hist +349 Arcade repair course starter
- 10:2610:26, 1 November 2019 diff hist +342 N Arcade repair course starter
30 October 2019
- 00:0100:01, 30 October 2019 diff hist +64 ZX81plus38 simple to build ZX-81 clone →October 30, 2016 First component placement =
29 October 2019
- 23:5923:59, 29 October 2019 diff hist +2 ZX81plus38 simple to build ZX-81 clone →October 30, 2016 First component placement =
- 23:5923:59, 29 October 2019 diff hist +55 ZX81plus38 simple to build ZX-81 clone →October 30, 2016 First component placement =
- 23:5823:58, 29 October 2019 diff hist +31 ZX81plus38 simple to build ZX-81 clone →October 30, 2016 First component placement =
- 23:5323:53, 29 October 2019 diff hist +199 ZX81plus38 simple to build ZX-81 clone →October 20, 2016 rev 1.3 supports 16K ROM's
- 23:4923:49, 29 October 2019 diff hist +10 ZX81plus38 simple to build ZX-81 clone No edit summary
- 23:4823:48, 29 October 2019 diff hist +23 N File:ZX81+38 component overview proposal.png First try current
- 18:3518:35, 29 October 2019 diff hist +129 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →25 October 2019, PSG board tested and works!
- 18:3318:33, 29 October 2019 diff hist +32 N File:Layout sound expansion rev2.1 component overview.png component overview current
25 October 2019
- 12:2312:23, 25 October 2019 diff hist +77 N Zon X-81 Programmable Sound Generator expansion for ZX81PLUS35 Mahjongg 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 current Tag: New redirect
- 12:2312:23, 25 October 2019 diff hist 0 m Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card Mahjongg 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
- 12:2212:22, 25 October 2019 diff hist +1 m Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card No edit summary
- 12:2112:21, 25 October 2019 diff hist +99 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →25 October 2019, PSG board tested and works!
- 12:2012:20, 25 October 2019 diff hist +181 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →23 October 2019, repaired definition 74LS02
- 12:1712:17, 25 October 2019 diff hist +1 m Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →23 October 2019, repaired definition 74LS02
22 October 2019
- 23:2123:21, 22 October 2019 diff hist +305 ZX81PLUS35 ZX81 clone →October 21, 2016 Received a free built ZX81+35 and its working
- 23:0123:01, 22 October 2019 diff hist 0 File:ZX81plus35 silkscreen overview rev4.png Mahjongg uploaded a new version of File:ZX81plus35 silkscreen overview rev4.png current
- 22:3122:31, 22 October 2019 diff hist +35 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →23 October 2019, repaired definition 74LS02
- 22:2122:21, 22 October 2019 diff hist +57 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →23 October 2019, repaired definition 74LS02
- 22:2022:20, 22 October 2019 diff hist 0 N File:Layout sound expansion rev2.1.PNG No edit summary current
- 22:1522:15, 22 October 2019 diff hist +6 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →23 October 2019, repaired definition 74LS02
- 22:1422:14, 22 October 2019 diff hist +39 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →23 October 2019, repaired definition 74LS02
- 22:1322:13, 22 October 2019 diff hist +29 N File:Sound expansion rev 2.1-1.png Repaired 74LS02 current
- 22:0922:09, 22 October 2019 diff hist +103 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →20 October 2019, realized the 74LS02 NOR ports are defined wrong!
- 22:0722:07, 22 October 2019 diff hist +65 N File:Sound expansion rev 2.1.pdf Rev 2.1 23 Oktober 2019; definition 74LS02 repaired current
21 October 2019
- 16:3016:30, 21 October 2019 diff hist 0 File:ZX81plus35 silkscreen overview rev4.png Mahjongg uploaded a new version of File:ZX81plus35 silkscreen overview rev4.png
- 16:2616:26, 21 October 2019 diff hist 0 File:ZX81plus35 silkscreen overview rev4.png Mahjongg uploaded a new version of File:ZX81plus35 silkscreen overview rev4.png
- 09:2509:25, 21 October 2019 diff hist −20 m ZX81PLUS35 ZX81 clone →October 21, 2016 Received a free built ZX81+35 and its working
- 09:2509:25, 21 October 2019 diff hist +24 ZX81PLUS35 ZX81 clone →October 21, 2016 Received a free built ZX81+35 and its working
- 09:2409:24, 21 October 2019 diff hist +5 ZX81PLUS35 ZX81 clone →October 21, 2016 Received a free built ZX81+35 and its working
- 01:0901:09, 21 October 2019 diff hist +183 ZX81PLUS35 ZX81 clone →October 21, 2016 Received a free built ZX81+35 and its working
- 01:0401:04, 21 October 2019 diff hist +108 ZX81PLUS35 ZX81 clone →October 21, 2016 Received a free built ZX81+35 and its working
20 October 2019
- 23:2223:22, 20 October 2019 diff hist +411 ZX81PLUS35 ZX81 clone →October 21, 2016 Received a free built ZX81+35 and its working
- 23:1223:12, 20 October 2019 diff hist 0 N File:Printing all 256 characters.JPG No edit summary current
- 23:0923:09, 20 October 2019 diff hist +6 ZX81PLUS35 ZX81 clone →October 21, 2016 Received a free built ZX81+35 and its working
- 23:0823:08, 20 October 2019 diff hist −14 ZX81PLUS35 ZX81 clone →October 21, 2016 Received a free built ZX81+35 and its working
- 23:0723:07, 20 October 2019 diff hist 0 N File:ZX81+35 revision 4.0 with keyboard.JPG No edit summary current
- 23:0523:05, 20 October 2019 diff hist +2 ZX81PLUS35 ZX81 clone →October 21, 2016 Received a free built ZX81+35 and its working
- 23:0423:04, 20 October 2019 diff hist −90 ZX81PLUS35 ZX81 clone →October 21, 2016 Received a free built ZX81+35 and its working
- 23:0323:03, 20 October 2019 diff hist +44 ZX81PLUS35 ZX81 clone →October 21, 2016 Received a free built ZX81+35 and its working
- 23:0223:02, 20 October 2019 diff hist +47 ZX81PLUS35 ZX81 clone →October 21, 2016 Received a free built ZX81+35 and its working
- 23:0023:00, 20 October 2019 diff hist +282 ZX81PLUS35 ZX81 clone →If you have build a ZX81+35 and have a problem, you can reach me here
19 October 2019
- 23:5723:57, 19 October 2019 diff hist +6 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →20 October 2019, realized the 74LS02 NOR ports are defined wrong!
- 23:5623:56, 19 October 2019 diff hist +346 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →8 November 2016 Layout fully routed
- 23:4823:48, 19 October 2019 diff hist 0 File:ZX81plus35 silkscreen overview rev4.png Mahjongg uploaded a new version of File:ZX81plus35 silkscreen overview rev4.png
- 23:4623:46, 19 October 2019 diff hist +66 ZX81plus38 simple to build ZX-81 clone →October 20, 2016 rev 1.3 supports 16K ROM's
- 23:4423:44, 19 October 2019 diff hist 0 File:ZX81plus38 rev1.3.pdf Mahjongg uploaded a new version of File:ZX81plus38 rev1.3.pdf current
- 23:4323:43, 19 October 2019 diff hist +300 ZX81plus38 simple to build ZX-81 clone →October 15, 2019, finished schematic rev1.2 (functionally complete)
- 23:3423:34, 19 October 2019 diff hist +45 N File:ZX81plus38 rev1.3.pdf revision 1.3 supports 16K ROM's
16 October 2019
- 12:3312:33, 16 October 2019 diff hist 0 ZX81plus38 simple to build ZX-81 clone →October 15, 2019, finished schematic rev1.2 (functionally complete)
- 12:3212:32, 16 October 2019 diff hist +47 ZX81plus38 simple to build ZX-81 clone →October 15, 2019, finished schematic rev1.2 (functionally complete)
- 12:2912:29, 16 October 2019 diff hist +12 ZX81plus38 simple to build ZX-81 clone No edit summary
- 12:2912:29, 16 October 2019 diff hist −5 ZX81plus38 simple to build ZX-81 clone No edit summary
- 12:2812:28, 16 October 2019 diff hist −4 ZX81plus38 simple to build ZX-81 clone No edit summary
- 12:2712:27, 16 October 2019 diff hist +23 N File:ZX81plus38 rev1.2 cropped.png finalized current
15 October 2019
- 22:4022:40, 15 October 2019 diff hist +55 ZX81plus38 simple to build ZX-81 clone →October 15, 2019, finished schematic rev1.2 (functionally complete)
- 22:3822:38, 15 October 2019 diff hist 0 File:ZX81plus38 rev1.2.pdf Mahjongg uploaded a new version of File:ZX81plus38 rev1.2.pdf current
- 22:3822:38, 15 October 2019 diff hist −3 ZX81plus38 simple to build ZX-81 clone →October 15, 2019, finished schematic rev1.2 (functionally complete)
- 22:3122:31, 15 October 2019 diff hist +118 ZX81plus38 simple to build ZX-81 clone →October 15, 2019, finished schematic rev1.2 (functionally complete)
- 22:2222:22, 15 October 2019 diff hist +61 ZX81plus38 simple to build ZX-81 clone →October 15, 2019, finished schematic rev1.2 (functionally complete)
- 22:1622:16, 15 October 2019 diff hist +31 ZX81plus38 simple to build ZX-81 clone →October 15, 2019, finished schematic rev1.2 (functionally complete)
- 22:1522:15, 15 October 2019 diff hist +61 N File:ZX81plus38 rev1.2.pdf Functionally complete with loading bar support.
- 22:1422:14, 15 October 2019 diff hist +67 ZX81plus38 simple to build ZX-81 clone →October 15, 2019, finished schematic rev1.2 (functionally complete)
- 22:0622:06, 15 October 2019 diff hist −351 ZX81plus38 simple to build ZX-81 clone →October 13, 2019, schematic rev1.1 (some errors fixed, added ZX81 ROM support)
13 October 2019
- 01:4901:49, 13 October 2019 diff hist +687 ZX81plus38 simple to build ZX-81 clone →October 13, 2019, schematic rev1.1 (some errors fixed, added ZX81 ROM support)
- 00:1500:15, 13 October 2019 diff hist +322 ZX81plus38 simple to build ZX-81 clone →October 13, 2019, schematic rev1.1 (some errors fixed, added ZX81 ROM support)
- 00:0000:00, 13 October 2019 diff hist +152 ZX81plus38 simple to build ZX-81 clone →October 13, 2019, schematic rev1.1 (some errors fixed, added ZX81 ROM support)
12 October 2019
- 23:5523:55, 12 October 2019 diff hist +41 ZX81plus38 simple to build ZX-81 clone →October 13, 2019, schematic rev1.1 (some errors fixed, added ZX81 ROM support)
- 23:4723:47, 12 October 2019 diff hist +40 ZX81plus38 simple to build ZX-81 clone →October 13, 2019, schematic rev1.1 (errors repaired, ZX81 ROM support)
- 23:4523:45, 12 October 2019 diff hist 0 N File:ZX81plus38 rev 1.1.pdf No edit summary current
- 23:4423:44, 12 October 2019 diff hist +1,297 ZX81plus38 simple to build ZX-81 clone →October 9, schematic rev1.0 finished
9 October 2019
- 13:1013:10, 9 October 2019 diff hist +4 ZX81plus38 simple to build ZX-81 clone No edit summary
- 13:0913:09, 9 October 2019 diff hist +66 N File:ZX81plus38 rev 1.0 further cropped.png Cropped to 2339 by 1655 pixels, while still readable current
- 13:0413:04, 9 October 2019 diff hist 0 File:Preliminary ZX81plus38 resized.png Mahjongg uploaded a new version of File:Preliminary ZX81plus38 resized.png current
8 October 2019
- 22:4722:47, 8 October 2019 diff hist +111 ZX81plus38 simple to build ZX-81 clone →October 9, schematic rev1.0 finished
- 22:4622:46, 8 October 2019 diff hist +112 ZX81plus38 simple to build ZX-81 clone →October 9, schematic rev1.0 finished
- 22:4422:44, 8 October 2019 diff hist +81 ZX81plus38 simple to build ZX-81 clone →October 9, schematic rev1.0 finished
- 22:4122:41, 8 October 2019 diff hist 0 File:Preliminary ZX81plus38 resized.png Mahjongg uploaded a new version of File:Preliminary ZX81plus38 resized.png
- 22:2922:29, 8 October 2019 diff hist 0 File:Preliminary ZX81plus38 resized.png Mahjongg uploaded a new version of File:Preliminary ZX81plus38 resized.png
- 22:2522:25, 8 October 2019 diff hist 0 File:Preliminary ZX81plus38 resized.png Mahjongg uploaded a new version of File:Preliminary ZX81plus38 resized.png
- 22:2022:20, 8 October 2019 diff hist 0 File:ZX81plus38.pdf Mahjongg uploaded a new version of File:ZX81plus38.pdf current
- 22:2022:20, 8 October 2019 diff hist +102 ZX81plus38 simple to build ZX-81 clone →October 6, schematic mostly finished
7 October 2019
- 11:2211:22, 7 October 2019 diff hist +69 ZX81plus38 simple to build ZX-81 clone →October 6, schematic mostly finished
- 11:2111:21, 7 October 2019 diff hist +4 ZX81plus38 simple to build ZX-81 clone No edit summary
- 11:2011:20, 7 October 2019 diff hist +175 N 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).
