Simply place the tool or object you want to magnetize inside the coil and briefly press S1. The generated single polarity field should magnetize the object if the material it is made to allow.
We found this circuit on Radio Electronics from July 1990. It triggers a relay with a touch of the...
September 2016 - Mouser Electronics already has in stock the new IC TPS92515 LED driver from Texas...
The purpose of this circuit is to increase the current of a MAX1735 regulator to obtain an output...