PCB and schematic for the calcuclock project. The firmware for this hardware can be found at https://github.com/charliebruce/calcuclock-sw
This PCB can be purchased through OSHPark: https://oshpark.com/shared_projects/vCfoimMo
Released under the CC BY-NC-SA 3.0 license.
For more details see a summary at: https://creativecommons.org/licenses/by-nc-sa/3.0/ and the accompanying legal text: https://creativecommons.org/licenses/by-nc-sa/3.0/legalcode
Please raise an issue or send me an email if you wish to use this project commercially.