github.com/mahjongg2.ZX81plus38
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Author SHA1 Message Date
mahjongg2
e1be0c1a1e Update README.md 2022-07-26 16:09:23 +02:00
mahjongg2
df7591f83c Update README.md 2022-07-26 16:03:32 +02:00
mahjongg2
78d2096434 Update README.md 2022-07-26 15:50:49 +02:00
mahjongg2
2371dc6ee9 Update README.md 2022-07-26 15:49:07 +02:00
mahjongg2
d56ddc620b Add files via upload 
Production files for revision 1.8 with all the latest corrections, copper fill isolation of JP1 and JP9 so JP1 can be scratched through now to switch to 8K rom-space. Modified transistor footprints for easier soldering, corrected non plated hole (drill holes) placement, corrected USB connector placement, corrected logic families (now only HC logic) , corrected crystal footprint now suitable for PTH and SMT crystals (use paper isolation for PTH crystals!) clock inverter using one half of U18 to solve the no white characters in black squares problem when using slow (EE)PROMS. corrected orientation of keyboard data lines (5-pins) header.
 2022-07-26 15:45:54 +02:00
mahjongg2
14f271a047 Delete ZX81+38 rev1.8 production files.zip 2022-07-26 15:33:04 +02:00
mahjongg2
7024c71242 Add files via upload 
ZX81+38 rev 1.8 gerber and drill files, with swapped keyboard data connector, clock inverter drill hole corrections and more.
 2022-07-26 15:32:06 +02:00
mahjongg2
71454b520e Delete ZX81+38rev1,7.zip 2022-07-26 15:29:53 +02:00
mahjongg2
b49729693f Add files via upload 
updated schematic with clock inverter, and swapped keyboard data connector
 2022-07-26 15:29:32 +02:00
mahjongg2
3ffd00940d Delete ZX81plus38rev1,6.pdf 2022-07-26 15:26:26 +02:00
mahjongg2
7be6534cd7 Delete ZX81plus38rev1,5.pdf 2022-07-26 15:26:09 +02:00
mahjongg2
b645f5f419 Delete ZX81plus38rev 1,7.pdf 2022-07-26 15:25:56 +02:00
mahjongg2
1df68d1315 Delete ZX81+38rev1,5.zip 2022-07-26 15:25:32 +02:00
mahjongg2
02c7a3c7cc Delete ZX81+38rev1,6.zip 2022-07-26 15:25:17 +02:00
mahjongg2
8eccebcae1 Update README.md 2022-07-26 15:24:06 +02:00
mahjongg2
464c44cc8c Add files via upload 
Updated placement drawing file with removed logic family (all should be HC logic) and some additional jumping info.
 2022-07-26 15:22:42 +02:00
mahjongg2
527163482e Delete ZX81+38_rev_1.7_component_placement.png 2022-07-26 15:21:06 +02:00
mahjongg2
7dbda0f330 Update README.md 2022-07-26 15:18:38 +02:00
mahjongg2
798f374ce6 Add files via upload 
BOM for zx81+38 revision 1.8 with Reichelt order codes added
 2022-07-26 15:16:17 +02:00
mahjongg2
3f53c78e76 Delete ZX81plus38_BOM_revision 1.8 .ods 2022-07-26 15:14:02 +02:00
mahjongg2
836f4bc791 Update README.md 2022-07-07 16:45:07 +02:00
mahjongg2
965d86d266 Update README.md 2022-07-07 16:34:40 +02:00
mahjongg2
e7dfb2b6e3 Delete ZX81plus38_BOM.ods 2022-07-07 16:18:21 +02:00
mahjongg2
27f26b7969 Add files via upload 
BOM with only 74HC logic, as initially intended
 2022-07-07 16:17:27 +02:00
mahjongg2
f2045ba76d Update README.md 2022-06-23 18:22:49 +02:00
mahjongg2
aa995bf4c6 Update README.md 2022-06-23 18:19:14 +02:00
mahjongg2
acc4ad060d Add files via upload 2022-06-23 18:17:15 +02:00
mahjongg2
0f7a48dafc Update README.md 2022-06-23 18:09:36 +02:00
mahjongg2
d39a92f84f Update README.md 2022-06-23 18:06:49 +02:00
mahjongg2
2268d20eba Add files via upload 2022-06-23 17:53:55 +02:00
mahjongg2
3e286d8023 Update README.md 2022-06-23 17:52:39 +02:00
mahjongg2
33accd4ea2 Add files via upload 
gerber and drill files of revision 1.7 of ZX81+38
 2022-06-23 17:42:39 +02:00
mahjongg2
5710ccf0c0 Add files via upload 
Gerber and drill files of revision 1.7
 2022-06-23 17:41:02 +02:00
mahjongg2
6497d86e84 Update README.md 2022-06-23 17:39:06 +02:00
mahjongg2
6e75a5a65d Update README.md 2022-06-15 19:53:39 +02:00
mahjongg2
5db0cff49e Add files via upload 2022-06-15 19:49:03 +02:00
mahjongg2
dee7dc102e Update README.md 2022-01-07 23:19:31 +01:00
mahjongg2
5466fb5871 Update README.md 2022-01-07 23:09:17 +01:00
mahjongg2
c239b3e56d Update README.md 2022-01-07 23:07:40 +01:00
mahjongg2
005bad80bc Update README.md 2021-11-02 18:55:28 +01:00
mahjongg2
769534d892 Update README.md 2021-11-02 18:51:01 +01:00
mahjongg2
81ba3cc73a Update README.md 2021-11-02 18:49:01 +01:00
mahjongg2
bc945087e1 Add files via upload 
The Bill of materials for ZX81+38 version 1.6
 2021-11-02 18:46:52 +01:00
mahjongg2
fede3f8a74 Delete Bill of Materials (BOM) of ZX81+38 2021-11-02 18:26:56 +01:00
mahjongg2
ce6cba7976 Delete Schematic rev1.4 in black and white 
this upload was empty, and  unnecessary
 2021-11-02 18:24:54 +01:00
mahjongg2
2c0d80d4b1 Update README.md 2021-07-16 14:41:43 +02:00
mahjongg2
161f400c51 Update README.md 2020-10-20 15:08:48 +02:00
mahjongg2
917dd1376c Add files via upload 
Pulls-ups keyboard (RP1) changed to 10K x 6 instead of 4K7 x 6
 2020-10-20 15:06:02 +02:00
mahjongg2
f616111374 Delete ZX81plus38rev1,6.pdf 2020-10-20 15:04:30 +02:00
mahjongg2
7f80b591eb Update README.md 2020-10-18 22:36:10 +02:00