I have a r305 sensor and I am trying to integrate it to work on my arduino uno using hardware serial, it seems not to be working but works when I use software serial. I use pins 0 and 1 on the arduino uno. I have used another fingerprint sensor on the same arduino uno, and it works fine using hardware serial. Please help
Do an internet search on the words "how many hardware serial ports arduino uno"
I know it's one, I am trying to use it on the r305 fingerprint but its not working
are you also using it for the Serial monitor? is the baud rate correct? (57600bps?)
show code and wiring.