Temperature and humidity using battery powered ESP8266s with DHT11, DHT22 in rooms and LM35 temperature sensor on boiler's buffer tank bottom inlet. The ESPs wake up from deep sleep every 30 minute
3xAA Eneloop powered ESP01 with BMP180 outside, measurement each 15 minutes. Deep sleep on ESP01 enabled.
Solar powered simple weather station running on ESP8266 module and Ti HDC1080 sensor in deep sleep mode powered by 1000mAH lipo battery.
ESP in deep sleep mode using 2 pcs AA 1.5V batteries. Wakes up and reports to ThingSpeak every 15 minutes to conserve power. DHT-11 & LDR forms the Temp&Humidity and Ambient Light sensors.
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