Hardware Reference
In-Depth Information
Upload the sketch as before and then listen to the serial port with the same
cat /dev/
ttyO4
command. You will see the ATmega waiting for the sensor's fingerprint. Present
your fingerprint to the sensor and it will then print a verification when complete:
Please press finger
Verified ID:0
You will also notice that the green LED on the CryptoCape will turn off. While the LED
is on, the ATmega is locking out your BBB from accessing the CryptoCape.
