Even if I didn't know Quin Etnyre, the Qduino's inventor and namesake, I'd still be excited to see this nifty little Arduino board launching on Kickstarter because its compact size and integrated ...

In this quick Arduino tutorial I will explain how you can control a relay using the Arduino Board, one 1K and one 10K resistors, 1 BC547 transistor, one 6V or 12V relay, one 1N4007 diode and a 12V fan ...

However, that has nothing on this even smaller incarnation of an Arduino ... that it would closely match the dimensions of an AA battery. Why? So that the board can fit inside the slot for ...

Hobbyists, electronic enthusiasts and makers may be interested in a new 4 channel relay board ... extra control to the board that is all programmed using the classic Arduino IDE.