I recently bought this fingerprint sensor
https://www.amazon.it/Lettore-impronte-digitali-lettore-Mega2560/dp/B07H56V1VN/ref=mp_s_a_1_2?crid=10G34L6KMXHQI&keywords=fingerprint+sensor+arduino&qid=1555272347&s=gateway&sprefix=fingerprint+sen&sr=8-2 but I'm having trouble.
I'm following this tutorial:
https://randomnerdtutorials.com/fingerprint-sensor-module-with-arduino/ so I downloaded the library and I'm trying to use the example like said in the tutorial.
The problem is that the Arduino loses connection with the PC when I try to run the code.
What do I have to do?
Also the sensor heats a bit