Fingerprint Scanner using serial (UART) on Raspberry Pi These files are tested with Raspberry Pi B+ running rasbian and python 3. The serial port must be changed from serial console to serial control. Pin 2 = 5VDC Pin 6 = Ground Pin 8 = TX from Rpi Pin 7 = Input for exit button (Active Low) Pin 10 = Rx to Rpi Pin 40 = Output to relay
*IO pins utilize 3.3VDC