UART Fingerprint Reader
UART Fingerprint Reader

Description of product

UART Fingerprint Reader, onboard processor STM32F205, commercial fingerprinting algorithm, optical sensor


UART Fingerprint Reader is a fingerprinting module designed for secondary development, high-speed for identification, high stability. It is an intelligent module that provides functionalities like fingerprint recording, image processing, feature extraction, template generation, template storage, fingerprint matching and searching, etc.


  • Onboard high-speed processor STM32F205
  • Commercial fingerprinting algorithm, faster identification
  • High-accuracy optical sensor, standard 16-pin interface, allows users to choose optical/semiconductor sensors
  • Divided structure: fingerprint sensor + processing circuit + algorithm platform
  • Easy for developing, controlled via UART, supports any MCU with UART
  • Open protocol, it's available to freely input/output fingerprint images, fingerprint feature file and other fingerprinting actions


  • Fingerprint lock
  • Fingerprint safe deposit box
  • Access control system
  • Person identification
  • Authority management


Processor (CPU) STM32F205
SensorHD optical
MemoryBuilt-in (extensible)
Anti-wearing1 million times
Fingerprint capacity1000
False acceptance rate<0.001% (on security level 5) 
False rejection rate<0.1% (on security level 5) 
Input time<0.5s
Matching time<0.5s
Matching mode1 : 1 
1 : N 
Security level1-10 (supports customization)
Output formatsUser ID, Image, Feature
Feature size196 Byte
Feature template size 512 Byte 
Template rule standardISO19794-2 
Communication interfaceUART
Communication baud rate9600-57600bps
Power supplyUART, external power
Voltage level3.3-7.5V 
Operating temp.-20℃ to 60℃
Relative humidity40%RH to 85%RH (without condensation)