An Arduino is a microcontroller — a single board ... to read your fingerprint and a list of other connectors to link the ...

the idea is that he can still use the Arduino to reprogram the NVRAM chip when he wants to play around with the sound. We’ve covered some pretty fancy circuit bent instruments here in the past ...

An Arduino Pro Mini provides the brains for the charger, and the source code and all the needed information to build ... including a ground fault detection circuit. The result is that if there ...