---
product_id: 273261211
title: "Optical Fingerprint Reader Sensor Module for Arduino Mega2560 UNO R3 51 AVR STM32 Red Light DC 3.8-7V"
brand: "diymall"
price: "R1010"
currency: ZAR
in_stock: true
url: https://www.desertcart.co.za/products/273261211-optical-fingerprint-reader-sensor-module-for-arduino-mega2560-uno-r3
store_origin: ZA
region: South Africa
---

# Serial Port Compatibility Fingerprint Functions Security Applications Optical Fingerprint Reader Sensor Module for Arduino Mega2560 UNO R3 51 AVR STM32 Red Light DC 3.8-7V

**Brand:** diymall
**Price:** R1010
**Availability:** ✅ In Stock

## Summary

> 🔐 Unlock the Future of Security!

## Quick Answers

- **What is this?** Optical Fingerprint Reader Sensor Module for Arduino Mega2560 UNO R3 51 AVR STM32 Red Light DC 3.8-7V by diymall
- **How much does it cost?** R1010 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/273261211-optical-fingerprint-reader-sensor-module-for-arduino-mega2560-uno-r3)

## Best For

- diymall enthusiasts

## Why This Product

- Trusted diymall brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Reliable Support:** Dedicated customer service to assist with any inquiries or setup questions.
- • **User-Friendly Setup:** Includes a plug cable and clear connection diagrams for easy installation.
- • **Seamless Integration:** Compatible with various microcontrollers including Arduino, STM32, and more.
- • **Versatile Applications:** Ideal for fingerprint door locks, access control systems, and secure payment solutions.
- • **Advanced Fingerprint Technology:** Supports collection, registration, comparison, and search of fingerprints.

## Overview

The DIYmall Optical Fingerprint Reader Sensor Module is a versatile and advanced solution for integrating fingerprint recognition into your projects. Compatible with a wide range of microcontrollers, it offers essential functions like fingerprint collection and comparison, making it perfect for security applications such as access control and payment systems. With user-friendly setup and reliable support, this module is a must-have for tech-savvy innovators.

## Description

Optical Fingerprint Reader Sensor Module for Arduino Mega2560 UNO R3 51 AVR STM32 Red Light DC 3.8-7V

## Features

- It can work with any microcontroller which with serial port: such as Ar duino,51,avr,stm32,pic,arm,msp430. Pls note: the connection for the fingerprint sensor with 2560 and R3 is different, pls follow the connection diagram shows in the product images.
- Functions: fingerprint collection, fingerprint registration, fingerprint comparison and fingerprint search;Applications: Fingerprint door locks, Access control systems, management software, fingerprint payment etc.
- What you will get is: 1 X Fingerprint Reader Sensor Module with 1pc plug cable. If any question, pls contact us by email.You can find " Sold by DIYmall" under Buy Now button, click "DIYmall" and you will get to a new page, click "Ask a question".

## Images

![Optical Fingerprint Reader Sensor Module for Arduino Mega2560 UNO R3 51 AVR STM32 Red Light DC 3.8-7V - Image 1](https://m.media-amazon.com/images/I/61KquuwwbAL.jpg)

## Questions & Answers

**Q: Can you store multiple fingerprints?**
A: yes, you can store max 240 fingerprints.

**Q: Anyone know how u would go about coding this and the setup?**
A: There is a link they provide to files and a video.  Once I modified the code, it worked fine.

**Q: Can this be setup and used with the same software as the Adafruit one?**
A: I used the Adafruit Arduino library and it worked perfectly.

**Q: How do I access the Raspberry pi code library?**
A: You can download code from this link      https://drive.google.com/open?id=1D7mYqCRaZkpc7mrxKLrzcEfIVnMnYBrv

## Frequently Bought Together

- DIYmall Optical Fingerprint Reader Sensor Module for Ar Duino 2560 R3 Raspberry Pi ESP8266 ESP32 51 AVR STM32 Red Light DC 3.8-7V
- Arduino Uno REV3 [A000066]
- ATOPLEE Electromagnetic Solenoid Lock,Mini DC 12V 0.43A Door Drawer Tongue Down Slim Design Assembly Magnetic Lock for Cabinet Door Drawer,27X29X18mm

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**Shop now:** [https://www.desertcart.co.za/products/273261211-optical-fingerprint-reader-sensor-module-for-arduino-mega2560-uno-r3](https://www.desertcart.co.za/products/273261211-optical-fingerprint-reader-sensor-module-for-arduino-mega2560-uno-r3)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-31*