All items tagged with Circuits Circuit Design News and simple (3)

| Dip meters were once essential for radio amateurs, but affordable oscilloscopes have pushed them aside. That’s a shame. Some tasks are still...

| Can a simple strip of copper become a useful Hall sensor? This hands-on experiment shows how a copper PCB trace, a sensitive amplifier, and...

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| This handy transistor tester allows you to quickly test the function of an NPN/PNP transistor, JFET or (V)MOSFET and identify the correct le...