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Based on a high-speed digital processor STM32F105R8, combined with high-security commercial fingerprinting algorithm, and advanced semiconductor sensor, the Capacitive Fingerprint Reader becomes a simple but smart integration module, provides functionalities like fingerprint enrolling, image processing, feature finding, template generating and storing, fingerprint matching and searching, etc.
Features
- Easy to use by some simple commands, you don't have to know any fingerprint technology, or the module inter structure/calculation
- Commercial fingerprinting algorithm, stable performance, fast verification
- Sensitive detection, just touch the collecting window lightly, without pressing
- Allows to freely input/output fingerprint images, fingerprint feature file and other fingerprinting actions
- Dual communication, UART or USB
- Processor will enter sleep and wake up when detecting, achieves low power consumption
- Comes with rich related resources (software on PC, development SDK, tools, and examples for Raspberry/Arduino/STM32)
Applications
- Fingerprint lock
- Fingerprint safe deposit box
- Access control system
- Clock in and out
Specifications
| Parameter |
Value |
| Processor (CPU) |
STM32F105 |
| Sensor |
Semiconductor (capacitive) |
| Module dimension (mm) |
45 x 30 |
| Sensor dimension (mm) |
33.4 x 20.4 |
| Image |
DPI 508 |
| Image resolution |
192 x 256 |
| Sensing area (mm) |
9.6 x 12.8 |
| Fingerprint capacity |
1000 (expandable) |
| Security level |
0-9 low to high security, 5 by default |
| Matching time |
1s |
| False acceptance rate |
0.0001% |
| False rejection rate |
0.01% |
| Dynamic current |
<40mA |
| Operating voltage |
3.3V-5V |
| Communication |
UART or USB |
| Anti-electrostatic |
aerial discharge: ± 15KV |
| contact discharge: ± 8KV |
Dimension

Development Resources
Wiki : www.waveshare.com/wiki/Capacitive_Fingerprint_Reader
Weight: 0.017 kg
- Capacitive Fingerprint Reader x1
- PH2.0 wire 20cm 6Pin x1