Apple-2-HW/Apple2-IO-RPi
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255 Commits 1 Branch 6 Tags 26 MiB
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Commit Graph

21 Commits

Author SHA1 Message Date
Terence Boldt
c03235acea Clean up ERC warnings/errors 2022-02-20 13:26:37 -05:00
Terence Boldt
e1ac67974f Fix warnings and errors in PCB 2022-02-20 11:21:20 -05:00
Terence Boldt
12cdc7ea44 Update to KiCAD 6 2022-02-17 20:00:32 -05:00
Terence Boldt
c29232b407 Add power jumper and instructions 2022-02-16 21:45:22 -05:00
Terence Boldt
4e00fab797 Update images for 5th prototype 2021-07-28 07:50:58 -04:00
Terence Boldt
7a5dc8c541 Remove jumpers and EPROM support 2021-07-28 05:41:17 -04:00
Terence Boldt
ebcfeb3b9f Update board to support AT28C64B 2021-03-13 22:26:40 -05:00
Terence Boldt
894e6f3fc1 Fix silkscreen issue where chips mislabelled 2021-01-11 00:23:00 -05:00
Terence Boldt
cce9a2f41d Clean up tracks 2020-12-29 22:23:52 -05:00
Terence Boldt
2a09a50263 Optimize vias and tracks 2020-12-29 21:07:01 -05:00
Terence Boldt
a623d2f0ad Update board to support 8 bit data and 16x firmware 2020-12-29 19:54:22 -05:00
Terence Boldt
c93b54c669 Update schematic/PCB to work with more EPROM types 2020-12-13 22:19:04 -05:00
Terence Boldt
3880a1c30c Add ground wires to EPROM address lines 2020-12-13 00:43:19 -05:00
Terence Boldt
04b002098c Remove unnecessary vias 2020-11-19 19:06:00 -05:00
Terence Boldt
83771ed16b Update power and ground wiring 2020-11-19 16:27:50 -05:00
Terence Boldt
174c92053b Complete initial PCB layout 2020-11-19 12:31:19 -05:00
Terence Boldt
a444e561ac Update PCB footprints and layout 2020-11-19 11:18:17 -05:00
Terence Boldt
f045f4338f Update schematics and board 
- Remove resistor voltage dividers
- Change to 74LVC parts with +3.3V VCC
- Remove control lines
 2020-11-19 09:00:27 -05:00
Terence Boldt
ecba35fefe Update PCB component layout 2020-11-16 19:21:56 -05:00
Terence Boldt
dd5ddf4691 Update schematic and create rough PCB layout 2020-11-15 22:44:31 -05:00
Terence Boldt
dc7176cdce Add initial schematic - MISSING RESISTORS AND CONTROL LINES 2020-11-02 21:56:42 -05:00