Fingerprint Scanner Hookup Guide
This Tutorial is Retired!
Note: This tutorial is for the GT-511CXX models. If you are using any of the newer models (i.e. GT-521F32 and GT-521F52), please refer to the new Fingerprint Scanner (GT-521Fxx) Hookup Guide.
View the updated tutorial: Fingerprint Scanner (GT-521Fxx) Hookup Guide
Introduction
Have you ever wanted to add fingerprint identification to your project? SparkFun offers two models of fingerprint scanner from ADH Tech designed to do just that! Both models include an optical sensor for reading fingerprints and a processing IC with built-in fingerprint algorithms. Here you will find information about connecting to either fingerprint scanner and how to use it with Hawley's FPS_GT511C3 library.
Suggested Reading
Depending on how you are connecting to the fingerprint scanner, you may need to know the following concepts before working with one of these boards: