PCB and Arduino code for a basic clock
- 4 character 7-segment LED display
- ATMEGA328P with Arduino boot-loader
- 5V operation @ 16Mhz
- DS3231 battery backed clock
- 2x buttons to update minutes and seconds
- Mini USB power connector
- FTDI programming port
- ICSP port
Clock1.1 - First version Clock1.2 - Replaced surface mount USB connector with through hole version
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
Designed by Richard Hawthorn
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