Integrating the fingerprint recognition function into an Arduino project can add a layer of security protection to your electronic devices. In this article, we will introduce how to use a fingerprint sensor with Arduino, including connection, library installation, and the processes of fingerprint re

What is the principle of fingerprint module? Fingerprint identification module technology principle introduction. Fingerprint, due to its lifelong invariance, uniqueness and convenience, has become almost synonymous with biometric identification. Fingerprints are lines on the skin at the end of a pe