Adafruit Rugged Panel Mount Fingerprint Sensor
Best biometric security solution for DIY electronics and access control projects.
A durable, panel-mountable biometric module that handles image processing and storage internally. It simplifies secure access control by offloading complex matching tasks from the host microcontroller.
$39.95
at
Electromaker
Who it's for
- Engineers building permanent, high-traffic access control systems
- Users needing instant, intuitive feedback during authentication
- Developers creating secure, personalized hardware projects
Who should skip it
- Beginners lacking microcontroller programming or library experience
- Budget-conscious makers seeking affordable, basic sensor modules
- Prototypers needing flexible, non-destructive mounting options
Performance breakdown
Build Durability
Rugged metal housing stands up to frequent use in demanding environments.
Integration Speed
Adafruit libraries make connecting to microcontrollers nearly plug-and-play.
Verification Latency
Sub-0.2 second scanning ensures near-instant access for authorized users.
Storage Capacity
Two hundred fingerprint slots are plenty for most small-scale security projects.
Visual Feedback
The bi-color LED ring provides clear, intuitive status updates at glance.
Scanning Precision
High-resolution 508 DPI sensor captures fine details for reliable recognition.
Key Specs
Model
R503
Interface
TTL UART
Resolution
508 DPI
Capacity
200 fingerprints
Operating Voltage
3.3VDC
Scanning Speed
< 0.2 second
Dimensions
28mm external diameter, 15.5mm module height
Operating Temperature
-20ºC to 60ºC
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