QianLi Mega-iDea Data Cable On-Off Detection Board for USB data cable test tools.
Note: If the USB data cable is tested more than 3 times and the fixed LED light does not light up, the data cable is abnormal!
If the indicator light is on, the power is normal, and the indicator light is off, it means the corresponding line is abnormal.
Double-head Type-C light position: Connect the double-head Type-C line with 5 lights and all lights are on, which means the power is normal,and the indicator light is off, it means the corresponding line is abnormal.