2 layers48.3 × 83.8 mm
Smartswitch
mlauke/smartswitch
sonnen battery controller based on ESP8266/ESP32 to drive a 3.3kW heater (Heißwasserspeicher-Einbauheizung) and integrates with the local hot water system.
35 parts1MIT
RVD251
1 boardsKiCad boards from 1 GitHub repository tagged “rvd251”, the most starred first; open any of them in PCBKit.