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Build your first ESP8266 sensor project

The ESP8266 microcontroller is a favorite among makers for creating affordable, Wi-Fi-enabled sensor projects. Pairing it with a DHT22 temperature and humidity sensor is one of the easiest ways to get ...

Soil that powers devices: Scientists create battery-free electricity from dirt

The researchers have developed a new type of microbial fuel cell (MFC) that provides a reliable and constant source of ...