It’s something [mircemk] demonstrates, with an Arduino-powered magnetic field strength meter that uses a UGN 3503U Hall effect device. The circuit is extremely simple, comprising the sensor ...

So he decided to change the radio over to work on the 6 meter band, instead ... The answer? An Arduino and a few other choice pieces of circuitry. In particular, [hvde] removed much of the ...

Through Arduino hardware and software ... To keep that from happening, you'll want a multimeter to gauge the flow of electricity. The Klein Tools digital multimeter can safely measure up to ...