How to Scan Fingerprints with Arduino!

How to Scan Fingerprints with Arduino!

L
LeMaster Tech
Apr 22, 2025

In this video I show you step by step how to wire up an optical fingerprint scanner compatible with Arduino and Raspberry Pi devices that communicates over UART.

We cover the wiring, sensing and programming all in less than 20 minutes!
The module I use in this video: https://www.dfrobot.com/product-1343.html?tracking=65bf320f5bda5

Or a similar option available from amazon: https://amzn.to/42X8NIb

The code is available here: https://github.com/plemaster01/ArduinoFingerprintLEDs

Don't forget to leave a like on the video, subscribe to the channel, let me know what you want to see next in the comments, and consider checking out my patreon to help me build bigger and better projects in the future!
https://www.patreon.com/LeMasterTech