Simple USB Tester - Instructables

Simple USB Tester: This is Simple USB polarity and data activity tester This is very easy to make circuit .. Parts 2X 1/4 or 1/8 W 1K ohms resistance. 1X RED LED 1X GREEN LED 1X BLUE LED 1X General PCB 1X USB Male Port 1X OLD USB Drive Case How to Test.. Green…

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