I am doing a project using R305 and Arduino Uno. I gave connections as
Rx - pin 3
Tx -pin 2
Vcc- 5v
Gng to gnd
I uploaded the example program of Enroll from Adafruit Finger print sensor library. There is no compilation error. The program runs well but after i enter the enrollind id where i want to store my fingerprint, it continuously displays the message as unknown error. Can someone help me with this problem.
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