Arduino Micro has some extra leds that it is tricky to programme. Like almost all Arduinos, has a built-in led – the green one on the left in the photo. And it has a pair of yellow leds – called TX ...

A decent current measurement sensor ought ... A pair of precision op-amps provide the voltage output scaled to 100 mV/A. The board is powered off a 1000 mAh LiPo battery that can run the sensor ...

Those of you is that use the Arduino platform to create projects and need to measure sound maybe interested in a new Arduino sound measurement board that ... pi or other micro-processors by ...