Review on π Enhanced Green Light Optical Fingerprint Reader Sensor Module for Arduino Raspberry Pi ESP8266 ESP32 by Dwayne Pore
It works just fine
Connection: red wire -> 5vBlack wire -> GNDWhite wire -> Pin 3Green wire -> Pin 2 Steps: 1. Add the library to the zip -Add file "Adafruit-Fingerprint-Sensor-Library-Master" in Arduino IDE.2. Run the "register" code from the example. Then open the serial monitor to save your Figur3 printouts. Upload code fingerprint to Arduino and start testing.
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- I have no particular complaints about it, everything is fine
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