Uploads by Mahjongg

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This special page shows all uploaded files.

File list
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Date Name Thumbnail Size Description Versions
12:53, 16 April 2014 Perfboard keyboard preview.png (file) 474 KB Preview rendering of a keyboard on eurocard perfboard 1
13:04, 16 April 2014 KB matrix schematic.pdf (file) 373 KB Schematic of ZX14 keyboard 1
13:09, 16 April 2014 Nieuw keyboard ZX14.pdf (file) 41 KB Scaled keyboard overlay 1
13:11, 16 April 2014 Keyboard layout.pdf (file) 31 KB Keyboard layout drawn to scale 1
23:40, 6 May 2014 Spectrum with real keys and joystick interface.JPG (file) 415 KB my spectrum modded with 40 6x6mm buttons glued inside the to case and wired with very thin blank wire from a multicore cable. also added a DB9 joystick port. 1
15:47, 9 May 2014 ZX14 schematic.png (file) 516 KB Better readable version 3
20:03, 26 August 2014 ZX14 schematic.pdf (file) 64 KB Simplified and combined LCD, Sound and GPIO header 4
20:12, 26 August 2014 Color coded ZX14 schematic with eprom support.pdf (file) 69 KB Rev 1.1 with simplified I/O header 2
18:43, 11 November 2014 ZX14 preview.jpg (file) 375 KB Final version 6
19:22, 11 November 2014 Preview ZX14 with keyboard.jpg (file) 468 KB Final preview of october 11, 2014 5
19:08, 26 November 2014 100% routed, before cleanup and copper planes.png (file) 168 KB ZX-14 layour, after gaining 100% connectivity, but before checking, cleanup and copper filling. 1
20:20, 29 November 2014 Component placement 16 September 2014.png (file) 168 KB now completely routed, pictures is shot from a gerber viewer. Next cleanup, checking ground plane, and copper filling 7
18:24, 11 December 2014 ZX14 PCB check, almost ok.png (file) 813 KB Output of Eurocircuits PCB checker, almost finished, only a few small fixes to copper fills are needed. 11 December 2014 1
16:59, 19 December 2014 ZX81+34.png (file) 1,023 KB Final preview of ZX81+34 (previous ZX14) rev 1.0 1
19:25, 14 January 2015 Preview ZX15 with keyboard.jpg (file) 466 KB Preview ZX15 with keyboard January 2015 1
19:26, 14 January 2015 ZX15 preview 14 january 2015.jpg (file) 447 KB jpg versie 1
19:27, 14 January 2015 ZX15 preview 14 January 2015.png (file) 280 KB .png versie 1
15:46, 15 January 2015 ZX15 preview 15 january 2015.jpg (file) 451 KB   1
15:47, 15 January 2015 Preview ZX15 with keyboard 15 january.jpg (file) 463 KB   1
22:38, 17 January 2015 ZX81 PCB.jpg (file) 82 KB original ZX81 PCB 1
12:01, 20 January 2015 ZX81+34 final preview january 2015.jpg (file) 365 KB Final preview with definitive name ZX81+34 2
12:17, 20 January 2015 ZX81+34 versus ZX81.jpg (file) 202 KB comparison between ZX81+34 and original ZX81 1
13:26, 20 January 2015 ZX81+34 opgeleukte fontset.png (file) 14 KB ZX81 font modified for ZX81+34 1
16:12, 21 January 2015 Final preview.png (file) 387 KB Final preview of ZX81+34 1
16:16, 21 January 2015 ZX81+34 final.png (file) 1 MB   1
20:17, 24 January 2015 ZX81 CHARSET.png (file) 2 KB Original character font of ZX81 1
23:08, 27 January 2015 Overview met component values.png (file) 77 KB component value overview 1
00:42, 4 February 2015 Vectrex running minestorm.jpg (file) 80 KB Vectrex running minestorm 1
21:37, 2 March 2015 DSCN2173.JPG (file) 1.54 MB `vextrex and microvision at revspace 1
22:10, 2 March 2015 Starting the assembly of the ZX81+34 small.JPG (file) 1.41 MB Just started soldering the first resistors in place with hot air. 1
11:59, 31 March 2015 Z81+34 BOM.ods (file) 7 KB New type of buttons with longer plungers 2
14:13, 5 April 2015 ZX81+34 partially built up.JPG (file) 255 KB The ZX81+34 with an unfinished keyboard. 1
20:24, 19 May 2015 ZX81+34 bare board.jpg (file) 446 KB   1
20:25, 19 May 2015 ZX81+34 shot without case.jpg (file) 218 KB   1
20:59, 25 August 2015 ZX81+34 schema.pdf (file) 66 KB Various bugs corrected, plus switched OTP to EEPROM 2
21:07, 25 August 2015 ZX81+34 kleur rev 1.0.pdf (file) 69 KB Reverted to version as of 20:57, 20 January 2015 3
21:07, 25 August 2015 ZX81+34 kleur REV 2.0.pdf (file) 70 KB revision 2.0 1
13:06, 26 August 2015 ZX81+34 rev 2.00 schematic.png (file) 365 KB revision 2.00 with a few bugs removed. Now with EEPROM instead of OTP 1
22:04, 22 September 2015 ZX81+34 rev 3.0.pdf (file) 66 KB ZX81+34 rev 3.0 New version with all known bugs removed, and with flash memory instead of EEPROM. 1
17:11, 23 September 2015 ZX81+34 version 2 schematic.png (file) 501 KB First edition of ZX81+34 second version 1
23:03, 20 October 2015 ZX81PLUS34 rev 2.1.pdf (file) 65 KB REMOVED BUFFER U25? ADDED CAPACITOR C21 CHANGED MICRO USB CONNECTOR TO FCI TYPE 2
17:26, 21 October 2015 ZX81+34 revision 2 preview.png (file) 395 KB removed buffer, added new elco 4
17:34, 21 October 2015 ZX81+34 rev 2.1 schematic.png (file) 407 KB Changed, µUSB connector to FCI type, removed clock buffer, added extra elco. 3
20:21, 24 October 2015 Magnavox odyssey playing tennis.jpg (file) 45 KB the magnavox odyssey playing the tennis (PONG) game. 1
17:24, 3 November 2015 New ZX81+34 keyboard ZXPand version.pdf (file) 62 KB "step" now in uppercase, direction arrows now massive instead of outlined 2
17:27, 3 November 2015 Nieuw keyboard overlay.png (file) 89 KB Now suitable for ZXPand, plus massive arrows, instead of just outlined. Lower case "step" converted to uppercase "STEP". 2
17:53, 3 November 2015 New ZX81+34 keyboard ZXPand PNG version.PNG (file) 89 KB upgraded step to STEP, filled in arrows. 2
23:28, 3 November 2015 ODYSSEY 2016 PINHEADER ONLY.pdf (file) 9 KB NUMBERING SCHEME ODYSSEY CARTRIDGE HEADER TO GERMAN SCHEMATIC 1
18:18, 4 December 2015 ZX81+34 keyboard.jpg (file) 147 KB Just the keyboard 1
22:06, 22 December 2015 ZX81+35 revision 2.2 preview.png (file) 366 KB CHANGED PINHEADER TO DB9 CONNECTOR ON TOP OF COMPONENTS 2
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