Note: The schematic revision follows the board revision number.
- Support 27C512 and 8 banks
- Eagle -> KiCad.
- PIC12F629 -> ATTINY45/85. Note: Pinout is different! Don't mix up PIC12F with ATTINY!
- Programming with Arduino IDE.
- Programmers: ISP: USBasp or Arduino UNO as ISP. High-Voltage: TL866.
- Use the original LED or a common cathode RGB LED.
- User Guide rewritten for this revision.
- Moved IC2 down to clear space for the socket in the c64.
- Changes to the silk screen.
- Increased pad and hole sizes.
- Removed ground fill from top layer.
- Added CERN OHL v1.2 License.
- RGB Led header following RGB led pinout (Blue-Green-GND-Red).
- Edited silkscreen.
- sch+brd.
- Swapped signals #RESTORE and RED_LED. GP3 is input only.
- jumpers for 1541C/1541-II support
- Initial design