Adafruit
Adafruit Fingerprint Sensor Module (GT-511C3)
Enhance your projects with the Adafruit Fingerprint Sensor Module, an optical sensor designed for easy biometric security integration. This module handles complex image processing internally, communicating via a simple TTL serial interface. It can store up to 162 fingerprints onboard and comes with comprehensive software support, including CircuitPython and Arduino libraries, plus a user-friendly Windows application. Its compact design and straightforward setup make it an ideal solution for adding secure authentication to a wide array of electronic applications.
$62.99
Owner Satisfaction
4.4
/ 5
Category Rank
43
/ 99
#43 in Fingerprint Readers
Price vs Category Average
-62%
Below average
Sensor Technology
Optical
/ Optical
Who it's for
- Excellent Library Support
- High Template Capacity
- Standard TTL Serial Interface
Who should skip it
- Susceptible to Spoofing
- Higher Power Draw
- Large Physical Footprint
Key Specs
Sensor Technology
Optical
Max Fingerprints Stored
162
Recognition Speed
1000 milliseconds
Material
Plastic
Mounting Option
Freestanding
Interface Type
USB-A
Form Factor
Desktop Standalone
Security Standard Compliance
Biometric API Support
Features
- All-in-one optical fingerprint sensor
- High-powered DSP for internal processing
- Stores up to 162 fingerprints onboard
- Easy TTL serial connection
- CircuitPython and Arduino libraries included
- Simple Windows software for testing
- Fast fingerprint imaging response
- Secure biometric integration
What customers say
Enthusiasts highly value the Adafruit Fingerprint Sensor Module for its ease of integration into DIY projects. The core strength lies in Adafruit's excellent documentation and robust libraries, which simplify setup with platforms like Arduino and Raspberry Pi. Users consistently praise its reliability for hobbyist security applications, noting the recognition accuracy is strong for the price. While perfect placement is sometimes needed, and extreme finger conditions can cause minor issues, the module successfully enables sophisticated biometric features in custom builds. Its functionality and strong ecosystem support make it a highly recommended component for makers adding practical security to their creations.
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