ToiletronI now have a working PCB prototype with the attiny84 instead of an atmega328p. I've posted both the board layout and source code. I decided to use an attiny84 to reduce the footprint but in hindsight for my future goals on this project i may go back to using the at328p or some other AVR micro.
PCB protoype done
A project log for Workplace Pest Panic Button
A discrete device to "suddenly get an important call" to get rid of awkward lingering coworkers with a push of a button.
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