These are the design files for the 89C52 clock PCB described in this Hackaday project. It plugs onto the back of the 6 segment and 7 segment cascadable boards. The firmware is published at 89C52 clock.
First release December 2020
Not all the component locations on the board need to be populated, see the notes in the schematic.
- Ken Yap
See the LICENSE file for license rights and limitations (MIT).