Diode tester

  
The circuit tests whether or not a diode is open, shorted, or functioning correctly. If lamp A lights, the diode under test is functional. When lamp B is lit, the diode is good but connected backwards
Diode tester - schematic

When both lamps are lit, the diode is shorted, and it is open if neither lamp is lit.




Leave Comment

characters left:

New Circuits

.