---
product_id: 71708408
title: "Optical Fingerprint Reader Sensor Module Door Lock Access Control Red Light for Arduino Mega2560 UNO R3"
brand: "geekstory"
price: "158 zł"
currency: PLN
in_stock: true
reviews_count: 13
category: "Geekstory"
url: https://www.desertcart.pl/products/71708408-optical-fingerprint-reader-sensor-module-door-lock-access-control-red
store_origin: PL
region: Poland
---

# Serial interface for fast data 240 fingerprints stored Compatible with Arduino & ARM MCUs Optical Fingerprint Reader Sensor Module Door Lock Access Control Red Light for Arduino Mega2560 UNO R3

**Brand:** geekstory
**Price:** 158 zł
**Availability:** ✅ In Stock

## Summary

> 🔐 Secure your future with a touch—biometric access made brilliant!

## Quick Answers

- **What is this?** Optical Fingerprint Reader Sensor Module Door Lock Access Control Red Light for Arduino Mega2560 UNO R3 by geekstory
- **How much does it cost?** 158 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/71708408-optical-fingerprint-reader-sensor-module-door-lock-access-control-red)

## Best For

- geekstory enthusiasts

## Why This Product

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

## Key Features

- • **Red Light Indicator:** Instant visual feedback with a sleek red LED, making access status crystal clear at a glance.
- • **Versatile Applications:** Perfect for smart door locks, attendance systems, financial security, and beyond—future-proof your access control.
- • **Plug & Play Compatibility:** Seamlessly integrates with Arduino, STM32, PIC, ARM, and more via serial interface—no hassle, just secure control.
- • **Compact & Minimalist Design:** A stylish red module that fits effortlessly into any project, combining form with cutting-edge function.
- • **Biometric Security, Elevated:** Lock down your projects with 240 unique fingerprint slots for ultimate personalized access.

## Overview

The Geekstory Optical Fingerprint Reader Sensor Module offers advanced biometric security with the capacity to store up to 240 fingerprints. Designed for seamless integration with popular microcontrollers like Arduino Mega2560, STM32, and ARM, it features a fast serial interface and a clear red LED indicator for access status. Ideal for door locks, attendance systems, and financial security applications, this compact, minimalist module elevates your project’s security with cutting-edge fingerprint recognition technology.

## Description

desertcart.com : Geekstory Optical Fingerprint Reader Sensor Module Door Lock Access Control Red Light for Arduino Mega2560 UNO R3 : Electronics

Review: AMAZING! - Really amazing product, just had to search up some code to use it with an arduino and it was a hit for my project
Review: Be cautious when buying - the item was defective when i recieved it... the power won't even show

## Features

- Optical fingerprint sensor secure your project with biometrics. This fingerprint module can be used for fingerprint collection, fingerprint registration, fingerprint comparison and fingerprint search, it's easy to use, so its perfect for any project
- Fingerprint sensor module can work with any microcontroller which with serial port: such as compatible with arduino, 51, avr, stm32, pic, arm, msp430
- Package Includes:1 X Optical Fingerprint Reader Sensor, 2 X Cable. You can enroll new fingers directly - up to 240 finger prints can be stored
- Applications: Fingerprint door locks, safes, guns, financial and other security areas; Access control systems, industrial computers, POS machines, driving training, attendance and other areas of identity; fingerprint payment and other financial areas
- The fingerprint moudle documentation link cannot be displayed. If you need technical documentation, please click “Geekstory” to em-ail us

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07BQ9VNWR |
| Additional Features | Fngerprint Reader Module |
| Aspect Ratio | 16:9 |
| Best Sellers Rank | #129 in Security & Surveillance Biometrics |
| Biometric Security Feature | Fingerprint Recognition |
| Brand | Geekstory |
| Built-In Media | Cable, Optical Fingerprint Reader Sensor |
| CPU Model Number | GR2904 |
| Color | Red |
| Compatible Devices | Arduino, 51, AVR, STM32, PIC, ARM, MSP430 |
| Connectivity Technology | Serial |
| Customer Reviews | 3.5 3.5 out of 5 stars (95) |
| Display Resolution Maximum | 1024x768 |
| Display Type | LCD |
| Graphics Card Interface | Integrated |
| Graphics Description | Integrated |
| Graphics Ram Type | DDR DRAM |
| Hard Disk Description | 240 GB SSD |
| Hardware Interface | Serial Interface |
| Human-Interface Input | Touchscreen with Stylus Support |
| Keyboard Layout | QWERTY |
| Manufacturer | Geekstory |
| Memory Slots Available | 1 |
| Memory Storage Capacity | 240 GB |
| Model Name | GR2904 |
| Model Number | GR2904 |
| Model Year | 2022 |
| Native Resolution | 1024x768 |
| Personal Computer Design Type | Barebone |
| Power Plug Type | No Plug |
| Processor Brand | ARM |
| Processor Count | 1 |
| RAM Memory Technology | DDR DRAM |
| RAM Type | DDR DRAM |
| Resolution | 1024 x 768 |
| Security Features | Fingerprint Recognition |
| Specific Uses For Product | Access Control, Financial Security, Identity Verification, Fingerprint Payment |
| Style Name | Minimalist |
| UPC | 702795764432 |
| Video Processor | arm |

## Product Details

- **Brand:** Geekstory
- **CPU Manufacturer:** ARM
- **Color:** Red
- **Graphics Card Description:** Integrated
- **Included Components:** Cable, Optical Fingerprint Reader Sensor
- **Memory Storage Capacity:** 240 GB
- **Model Name:** GR2904
- **Personal computer design type:** Barebone
- **Special Feature:** Fngerprint Reader Module
- **Specific Uses For Product:** Access Control, Financial Security, Identity Verification, Fingerprint Payment

## Images

![Optical Fingerprint Reader Sensor Module Door Lock Access Control Red Light for Arduino Mega2560 UNO R3 - Image 1](https://m.media-amazon.com/images/I/61SSOt+bWVL.jpg)

## Questions & Answers

**Q: Can anyone assist in locating RPi2b code that i can use with this module?**
A: Please Check the product details page, the first of the five characteristics has been updated.Please refer to the document link.Any question please feel free to contact.

**Q: Does this work with the adafruit library?**
A: Yes

**Q: Does the led constantly flash?**
A: No, the led only turn on when you put fingerprint on the scan area after uploading code

**Q: Does this scanner work with the arduino pro micro and/or the arduino nano or just the arduino uno R3 thats in the description?**
A: It can work with any microcontroller which with serial port:such as Arduino,51,avr,stm32,pic,arm,msp430

## Customer Reviews

### ⭐⭐⭐⭐⭐ AMAZING!
*by A***L on May 24, 2025*

Really amazing product, just had to search up some code to use it with an arduino and it was a hit for my project

### ⭐ Be cautious when buying
*by S***E on October 18, 2025*

the item was defective when i recieved it... the power won't even show

### ⭐⭐⭐⭐⭐ Review
*by R***S on January 24, 2025*

Perfecto para proyectos y uso profesional

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---

*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-05-23*