Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Sensors
Origin	-
Sensor Type	Capacitive Semiconductor
Model Number	FPM383C
Resolution	508 DPI
Interface	UART / USB 2.0
Operating Voltage	3.3V DC
Fingerprint Capacity	Up to 150 Templates
Verification Speed	< 0.5 Seconds
False Acceptance Rate	< 0.001%
Operating Temperature	-20°C to 70°C
Dimensions	14mm x 18mm x 2.5mm

6 reviews

Anonymous

Mar 29, 2026

Rating: 5/5

Highly recommended for locks

Replaced an old RFID system with this fingerprint module. The security upgrade is noticeable, and the power consumption is low enough for battery-operated locks.

Anonymous

Mar 13, 2026

Rating: 5/5

Excellent value for embedded systems

Used this for an office access control system. The small form factor fits perfectly behind standard faceplates. False rejection rate is very low after enrolling users properly.

Anonymous

Mar 12, 2026

Rating: 5/5

Fast response time

The sub-second verification claim is accurate. My users love how quickly the door unlocks. The capacitive touch feels premium compared to optical sensors I've used before.

Anonymous

Mar 11, 2026

Rating: 4/5

Solid performance, good support

Works well with STM32 microcontrollers. One star off because the sample code provided was for a different voltage level, but technical support clarified it quickly.

Anonymous

Mar 07, 2026

Rating: 4/5

Reliable but needs careful calibration

Good sensor quality for the price point. Had to spend some time tuning the threshold settings for optimal performance in low light conditions, but once set, it works flawlessly.

Anonymous

Mar 01, 2026

Rating: 5/5

Perfect for custom door lock projects

Integrated this module into a smart home prototype. The UART communication is stable and the SDK documentation made integration straightforward. Recognition speed is impressive even with slightly dry fingers.

5 FAQ

Q: What microcontroller interfaces are supported?

A: This module primarily supports UART TTL and USB 2.0 interfaces, making it compatible with most standard microcontrollers like Arduino, ESP32, and STM32.

Q: Does this module support wet finger recognition?

A: The FPM383C has basic water resistance, but performance may degrade with excessively wet fingers. We recommend drying fingers slightly for optimal accuracy.

Q: What is the warranty period for bulk orders?

A: Standard warranty is 12 months from the date of purchase. For bulk orders over 500 units, extended warranty options up to 24 months are available upon request.

Q: Can I enroll multiple fingerprints for one user ID?

A: Yes, the algorithm allows storing multiple fingerprint templates (e.g., left and right index fingers) associated with a single user ID for convenience.

Q: Is there an SDK available for Linux?

A: We provide a C-language SDK that can be compiled for Linux environments. Python wrappers are also available via our GitHub repository.

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