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

45 Commits

Author SHA1 Message Date
Terence Boldt
c0243f1e4d
Update to hardware revision 7 (#176) 
* Add jumpers for write protect and EPROMs

* Update to latest hardware revision 7
 2024-06-24 22:17:50 -04:00
Terence Boldt
8ef94ba5d3 Update schematic PDF 2023-03-08 09:26:35 -05:00
Terence Boldt
53377e2dc0 Add bill of materials 2023-03-08 09:26:35 -05:00
Terence Boldt
d20717cc79
Update schematics for 0.1 µF caps (#136) 2023-03-01 05:53:35 -07:00
Terence Boldt
bd88d194d4 Fix #95 gerber render for PCBWay compatibility 2022-03-01 05:38:58 -05:00
Hans Huebner
c280e7f829 Clean up buses for aesthetics 2022-02-21 11:02:59 +01:00
Terence Boldt
8d22144890 Update pdf to latest schematic 2022-02-20 21:53:06 -05:00
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
Hans Huebner
e2a2af197a Fix AT28C64D pins, add GPIO bus 2022-02-20 09:31:20 +01:00
Hans Huebner
b5bc96624f Reconnect EEPROM CE correctly, tweaks 2022-02-19 06:23:17 +01:00
Hans Huebner
ea7b4b5e08 Add power nets 2022-02-18 20:18:05 +01:00
Hans Huebner
95682eb6de Add data bus 2022-02-18 17:34:16 +01:00
Hans Huebner
c151b16107 Remove power wires, improve signal names 2022-02-18 12:34:56 +01:00
Hans Huebner
27c38fbff5 Apple II connector pin names and directions 2022-02-18 10:42:23 +01:00
Hans Huebner
a079ae3cd7 Make ERC pass 2022-02-18 10:03:15 +01:00
Hans Huebner
aaefdfcc8d Add no-connects to open pins 2022-02-18 09:22:28 +01:00
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
6b304ecc3d Update image to fourth prototype 2021-03-23 21:10:06 -04:00
Terence Boldt
a789b921c3 Update PCB image 2021-03-16 07:54:45 -04:00
Terence Boldt
ebcfeb3b9f Update board to support AT28C64B 2021-03-13 22:26:40 -05:00
Terence Boldt
daed9d2dd9 Update project status and image 2021-01-16 07:45:24 -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
bf2d93e22b Update gerber files 2020-12-13 22:32:13 -05:00
Terence Boldt
c35ef5ec75 Update board image with EPROM 2020-12-13 22:23:16 -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
b0b077b1a2 Update project status and image 2020-12-10 23:13:12 -05:00
Terence Boldt
04b002098c Remove unnecessary vias 2020-11-19 19:06:00 -05:00
Terence Boldt
61d92b094d Generate gerber and drill files 2020-11-19 16:33:51 -05:00
Terence Boldt
83771ed16b Update power and ground wiring 2020-11-19 16:27:50 -05:00
Terence Boldt
b3465834a1 Update PCB images 2020-11-19 12:43:10 -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
d632a1d959 Add control lines and resistors - STILL MISSING CAPACITORS AND VCC/GND 2020-11-10 21:49:04 -05:00
Terence Boldt
dc7176cdce Add initial schematic - MISSING RESISTORS AND CONTROL LINES 2020-11-02 21:56:42 -05:00