Previously I have been working on making some better looking switches, and today I got a step closer once again. This time PCB dimensions and hole positions got verified, and a button got added too.
Finally the power supply modules arrived, and I could finish the layout. And sizes seems to be fine, and with enough clearance too. My first plan was to just use serial between the ESP8266 and Atmega329P, but I changed that to I2C instead, with a pair of BSS138 for level shifting. A bit more love to … Read more