The portable tool is normally priced at $100, but the home retailer is offering it at just $30 for a limited time. You can ...

In this video I show how to make a simple electric percussion instrument called a stomp box and how to install a piezoelectric transducer as an audio pickup. Thanks to my sponsor for this video, ...

Note that Rs = 1.1ohm. The one pass calibration sequence is: Set Df = 100% Adjust CAL pot for 1.000 amp output current Set Df = 0% Adjust ZERO pot for zero output current.