Related Posts

Battery Powered ESP8266 IoT – Door Sensor

I successfully run DHT22 battery ESP8266 temperature/humidity IoT sensor so my next project is a simple IoT Door Sensor. It is up and running and sending a simple event to my HTTP server via wifi[…]

Battery Powered Wifi IoT – Temperature, Humidity & Soil Moisture Sensors

I have just made a prototype of ESP8266 (ESP-01) IoT temperature & humidity SI7021 sensor and also 2x three pin soil moisture sensors with only 0.006mA (6µA) current drain during the sleep.

Battery Powered ESP8266 IoT – Temperature Sensor

Since my latest ESP8266 temperature humidity IoT logger project is up and running I have decided to cut the last wire – power. There are more approaches how to make ESP8266 running on a battery,[…]