Hello, I am having a problem with interfacing my fingerprint sensor with the Arduino. My board recognize the module but gives the communication error i have no idea what to do i have tried many things please help. Also mu Finger print sensor has 8 wires. Adafruit Fingerprint sensor enrollment Fo…

Finger Print Sensor

wvmarle May 30, 2018, 1:00pm 2

Make sure your wiring is correct (Tx to Rx and Rx to Tx).

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