ESP32 Home Sensor, Firmware & Schematic
£12.99
Digital download
Kicad project + PlatformIO firmware for a battery-powered temp/humidity/CO₂ sensor that posts to MQTT.
In stock
Deep-sleep tuned to ~18 months on a 2000mAh LiPo. MQTT, Home Assistant auto-discovery, OTA updates, Web config portal. Fully commented C++ and a step-by-step assembly PDF.
