Geekstory Optical Fingerprint Reader Sensor Module For Biometric Door Lock Access Control With Red Light Compatible With Arduino Mega2560 And UNO R3
Why you'll like it
- High Capacity Storage — The integrated memory holds up to 240 unique fingerprint templates locally for rapid biometric identification without external database dependencies.
- Universal Compatibility — Utilizes a standard UART TTL serial interface to connect effortlessly with microcontroller boards like the Arduino UNO R3 and Mega2560.
- Instant Visual Feedback — Features a bright red LED indicator light that flashes or shines continuously to clearly communicate processing and access status.
- Enhanced Security Tuning — Offers five adjustable security levels and an exceptionally low false acceptance rate to ensure precise and highly reliable access control.
Product details
Description
The Geekstory Optical Fingerprint Reader Sensor Module is an advanced biometric solution designed for secure access control and identity verification projects. Featuring a high-powered digital signal processing chip, this module efficiently handles image rendering, mathematical calculations, and feature searching locally.
It is equipped with a bright red LED indicator light that provides immediate visual feedback during the scanning process. Perfect for electronics hobbyists, engineering students, and developers in India, this biometric sensor integrates seamlessly with popular microcontrollers including the Arduino UNO R3 and Arduino Mega2560 using simple Universal Asynchronous Receiver-Transmitter serial communication.
The module can store up to 240 unique fingerprint templates directly on its internal memory, making it completely self-contained. With adjustable security levels from one to five and an incredibly low false acceptance rate, it delivers reliable and precise performance.
Whether you are building a custom DIY smart door lock, an automated attendance system, or a secure storage safe, this authentic imported sensor offers the commercial-grade reliability needed to safeguard your hardware creations.
How to use
- Connect the VCC pin to a five volt power supply and the GND pin to ground on your microcontroller.
- Connect the TX and RX pins to your digital pins for serial communication.
- Download and install the Adafruit Fingerprint Sensor Library through your integrated development environment.
- Load the enrollment example sketch to scan and save new fingerprint templates to the internal memory.
- Run the fingerprint verification sketch to match scanned prints and trigger your connected relay or door strike mechanism.
Ingredients
1 x Optical Fingerprint Sensor Module, 1 x 4-Pin Connecting Cable
As printed by the brand. Check the pack label if you have an allergy.
Specifications
| Brand | Geekstory |
|---|---|
| UPC | 702795764432 |
| Ships from | USA (sourced directly), checked in Navi Mumbai |
| Sold by | Dropy.in |
Ratings & reviews
From our customers
FAQs
A wiring diagram and code to connect a relay and electric door lock?
To connect an electric lock, wire the sensor to your Arduino using the serial pins, then connect a digital output pin to a five volt relay module. The relay acts as a switch to control the external power supply driving your solenoid or magnetic door lock.
Help troubleshooting baud rate or communication issues with your Arduino?
The default communication speed for this sensor is 57600 bits per second. If you experience communication errors, ensure your software serial setup matches this baud rate and check that the transmission and reception wires are not reversed.
Recommendations for where to source the lock and relay locally or online?
Compatible relay modules, twelve volt solenoid locks, and external power adapters can be easily sourced from local Indian electronic component vendors or reputable online robotics hobby stores.
Is this Geekstory fingerprint sensor an authentic imported product in India?
Yes, this is a genuine Geekstory product imported directly from the United States of America. Dropy India guarantees authentic sourcing so you receive premium, reliable components for your engineering projects.
What software library should be used with this biometric module?
This module is fully compatible with the standard Adafruit Fingerprint Sensor Library. You can install it directly via the Library Manager in your Arduino software to access pre-made enrollment and matching scripts.
How long will delivery take?
Most orders arrive in 15–20 days: we source each product directly from the USA, check it at our Navi Mumbai warehouse and pack it on video. Items marked Dropy Express ship from our India warehouse and arrive in 3–5 days.
Is cash on delivery available?
Full cash on delivery is available all over India on Dropy Express items. For other orders from ₹2,499 to ₹15,000 you can use Partial COD: pay 25% online now and the rest in cash on delivery.
Are your products genuine?
Yes. Every product is 100% authentic, sourced directly from the USA, quality-checked and packed on video at our Navi Mumbai warehouse.
What if my order arrives damaged or wrong?
Write to us at [email protected] as soon as it arrives. Damaged, wrong or not as described, our Buyer Protection gives you a full refund. The details are in our Return, Refund & Cancellation Policy.
Is delivery free?
Delivery is free on orders from ₹1,499. Below that a ₹79 delivery fee applies.