💬 Tiny Solar Charger for 2.7v Mote Supercap
MySensors Mini Scene Controller
💬 Solar Energy Harvester
💬 Multiple uses battery RFM69 node
💬 Uniflächentaster PCB
Battery based atmega328p sensor (no SMD)
💬 MySensor RFM69HCW micro pcb for DHT, Si7021, CNY70, ...
Arduino Power Supply