Hello Guyzz,
I am making Attendance System using R503 and Arduino UNO.
I followed the below site Instruction to enroll new finger but Arduino is not detecting sensor.
Hello Guyzz,
I am making Attendance System using R503 and Arduino UNO.
I followed the below site Instruction to enroll new finger but Arduino is not detecting sensor.
site:
The Adafruit tutorial says:
If you get "
Did not find fingerprint sensor :(
" check your wiring, maybe swap the RX and TX wire as that's a common issue
You can see this old thread too: Fingerprint Sensor (R503) not working - #3 by Arrow008
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