new icn messageflickr-free-ic3d pan white
Solar water heater monitor with ESP-8266 | by Christopher Biggs
Back to photostream

Solar water heater monitor with ESP-8266

Three DS18B20 probes measure ambient temperature, tank temperature and panel temperature. ESP-8266 takes readings from sensors and transmits to an MQTT server over WiFi. HC-06 Bluetooth module is plugged in temporarily for debugging and upgrades.

39 views
0 faves
0 comments
Taken on July 21, 2016