13 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	8d22144890	Update pdf to latest schematic	2022-02-20 21:53:06 -05:00
Terence Boldt	c29232b407	Add power jumper and instructions	2022-02-16 21:45:22 -05:00
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	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	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	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