MachineClock ST - DIY Easy Timer Switch Core Module
Price: 1000 Euro
Status: educational purposes Device is working well, but is implemented only single task feature. to be ready for production must be implemented multi task feature
Very accurate timer switch module Detailed description of this module can be found on my website here MachineClock ST
Schematics: Compact, single side, single layer trough hole PCB
Source code: Organised and smart, easy to understand interrupt based assembly code