So [Todd] has set out to build an Arduino frequency counter for a Kenwood ... add external component to facilitate this. That extra circuit design will be the topic of the next project segment.

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

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 ...