RFID means radio-frequency identification. RFID uses electromagnetic fields to transfer data over short distances. RFID is useful to iden...

One of the most useful things you can do with an Arduino is control higher voltage (120-240V) devices like fans, lights, heaters, and othe...

NodeMCU is a development board featuring the popular ESP8266 WiFi chip. As it turns out, you can program the ESP8266 just like any other m...

Arduino is a prototype platform (open-source) based on easy-to-use hardware and software. It consists of a circuit board, which can be pro...