Introduction: How to Make a Very Simple NPN Transistor Tester
in this instructable i will show you how to make a very simple NPN transistor tester.
Step 1: You Will Need:
a NPN transistor (to test)
a 10K OHM resistor
a 470 OHM resistor
a on/off switch
and a 9V battery (5-12V)
Step 2: Making It.
here are the schematics. and a picture of my finished product.
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