Interface Fingerprint Sensor Using M5Stack Core ESP32 Development Kit

This tutorial shows how to matching, add new and remove fingerprint using M5Stack.

Introduction

This is a highly integrated rectangle-shaped all-in-one capacitive fingerprint sensor module, which is designed in small form factor. The module is controlled via UART commands, fairly easy to use. This sensor features functionalities like fingerprint enrolling, image acquisition, feature finding, fingerprint matching, and so on. Without any knowledge about the complicate fingerprinting algorithm, all you need to do is just sending some UART commands, to quickly integrate it into fingerprint verification applications which require small size and high precision.

Video

This video shows how to interface fingerprint sensor using M5Stack Core ESP32 Development Kit.

Hardware Preparation

This is the list of items used in the video.

Sample Program

Since the code is quite long, I divide into 3 files. 2 files with a named “Fingerprint” are the library and “M5StackFingerprint” is the main file. You can refer to the video tutorial on how to use the code.

Thank You

References:

Thanks for reading this tutorial. If you have any technical inquiries, please post at Cytron Technical Forum.

Please be reminded, this tutorial is prepared for you to try and learn.
You are encouraged to improve the code for better application.

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