While [Ilias Giechaskiel] was waiting for his SIM900 shield to arrive, he decided to see what he could do with an old Nokia 6310i and an Arduino. He was researching how to send automated SMS text ...

How long can you keep an Arduino circuit running on three AA batteries? With careful design, [educ8s] built a temperature sensor that lasts well over a year on a single charge of three 2250 mAH ...

We have another simple Arduino project from Circuito.io today in the form of everyone’s favourite Nokia game: Snake. What we have here is an Uno hooked up to a small battery, a speaker, a joystick and ...