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 LED ON          >>Polarity OK
Red LED ON              >>Polarity Reversed
Blue LED FLICKERS >>DATA Port OK

NO LED ON PORT DEAD OR DISCONNECTED