Tired of condensation wrecking your shed tools or greenhouse gear? I built a no-frills ESP32 + DHT22 node that wakes every 15 minutes, grabs temp/humidity data, beams it over Wi-Fi, and sleeps—running ...

First of all, I have a mental block when it comes to circuits for whatever reason. I can build my own computer, I built my own network in my house, and I'm currently building some drawers for my ...