Finger Print Sensor R307 -TTL UART consists of an optical fingerprint , a high-speed DSP processor, high-capacity FLASH chips, stable performance, a simple structure, fingerprint entry, image processing, and The Fingerprint Sensor R307 has two interfaces: TTL UART and USB 2.0.
Features
- low power consumption of the product
- With strong anti-static ability, the anti-static index reached 15 kV or above.
- Professional optical technology and precise module manufacturing techniques
- Suitable for different applications, security levels can be set by the user.
Specifications
- Fingerprint sensor type: optical
- Sensor Life: 100 million times
- Static indicators: 15 kV Backlight: bright green
- Interface: USB 1.1/UART (TTL logical level)
- RS232 communication baud rate: 4800 BPS115200 BPS changeable
- Dimension: 44.1*20*23.5mm
- Verification Speed: 0.3 sec.
- Scanning Speed: 0.5 sec.
- Character file size: 256 bytes
- Template size: 512 bytes
- Storage capacity: 1000
- Security level: 5 (1, 2, 3, 4, 5 (highest))
- False Acceptance Rate (FAR): 0.0001%
- False Rejection Rate (FRR): 0.1%
- Resolution: 500 DPI
- Working current: typical 50 mA, peak 80 mA
- Matching Method: 1: N
Pinouts
| Pin | Pin Name | Details |
| 1 | 5V | Regulated 5V DC |
| 2 | GND | Common Ground |
| 3 | TXD | Data output: Connect to MCU RX |
| 4 | RXD | Data Input—Connect to MCU TX |
Difference between R305 (old) and R307 (new)
| R305 | R307 | |
| Storage Capacity (Fingerprints) | 250 | 1000 |
| 3.3V Operation | No | Yes |
| USB Operation | No | Yes |
| Finger Detect Output | No | Yes |
Package Content:
1 x R307 fingerprint sensor module
1 x wire connector
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