Details
UART Fingerprint Reader, onboard processor STM32F205, commercial fingerprinting algorithm, optical sensor
Overview
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.
Features
- 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
Applications
- Fingerprint lock
- Fingerprint safe deposit box
- Access control system
- Person identification
- Authority management
Specifications
| Parameter | Specification |
|---|---|
| Processor (CPU) | STM32F205 |
| Sensor | HD optical |
| Memory | Built-in (extensible) |
| Anti-wearing | 1 million times |
| Anti-electrostatic | 150KV |
| Fingerprint capacity | 4000 |
| False acceptance rate | <0.001% (on security level 5) |
| False rejection rate | <0.1% (on security level 5) |
| Current | <50ma |
| Input time | <0.5s |
| Matching time | <0.5s |
| Matching mode | 1 : 1 1 : N |
| Security level | 1-10 (supports customization) |
| Output formats | User ID, Image, Feature |
| Feature size | 196 Byte |
| Feature template size | 512 Byte |
| Template rule standard | ISO19794-2 |
| Communication interface | UART |
| Communication baud rate | 9600-57600bps |
| Power supply | UART, external power |
| Voltage level | 3.3-7.5V |
| Operating temp. | -20℃ to 60℃ |
| Relative humidity | 40%RH to 85%RH (without condensation) |
Photos
Dimension
Downloads
Development resources: demo codes, schematic, datasheets, etc.
Wiki: www.waveshare.com/wiki/UART_Fingerprint_Reader
Recommended Items
- USB to UART module for communicating with the UART Fingerprint Reader: CP2102 USB UART Board (micro)
Selection Guide
| Product | Optical | Capacitive | |||||
|---|---|---|---|---|---|---|---|
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| A | A | B | C | D | E | R | |
| Pros | Durable, excellent anti-electrostatic | Small form factor, low power consumption | |||||
| High precision, good detection/verification | Small collecting area, high precision, good detection/verification | High precision, good detection/verification | |||||
| Cons | Large dimension, low precision, interfered by lighting | High environmental requirement (temperature, humidity, dust, alkaline air) | |||||
| Features | Separated structure | Round-shaped, all-in-one | Rectangle-shaped, all-in-one | ||||
| Fingerprint capacity | 4000 | 3000 | 500 | 150 | 3000 | ||
| Image pixels | 248*296 | 192*192 | 208*288 | 192*192 | 160*160 | 192*192 | |
| Interface | UART | UART, USB | UART | ||||
| False acceptance rate | <0.001% | 0.0001% | <0.001% | <0.001% | |||
| False rejection rate | <0.1% | 0.01% | 0.1% | <0.1% | |||
| Sensor life time | 10 years | about 200K times | about 5M times | about 1M times | |||
| Use condition | More sensitive for wet fingers | More sensitive for dry fingers | |||||
| Applicable products | Used frequently, like access control system | Require high precision, like fingerprinting lock | |||||
| Generally, optical modules are used in low-end products, while capacitive module are suitable for high-end products | |||||||
