Trouble with the R307 FingerPrint Sensor

Guys, I'm having trouble with the R307 FingerPrint Sensor. When I connect to both either a 3.3V supply or a 5V supply, it first light up the blue LED for a Second and turns off. Any Help is much appreciated. Even if the code was not Correct, is it not supposed to light up when connected to a power source?

This topic was automatically closed 180 days after the last reply. New replies are no longer allowed.