A compact optical fingerprint sensor module designed for embedded biometric systems. It communicates over a standard TTL UART serial connection and features high-accuracy onboard verification for up to 1,000 templates.
Key Specifications
- Electrical & Power:
- Supply Voltage: 3.8V – 7.0V DC
- Operating Current: $< 65\text{ mA}$ (Peak: $< 95\text{ mA}$)
- Biometric & Performance:
- Image / Search Time: $< 1.0\text{ second}$ (1:500 average search)
- Capacity: Up to 1,000 fingerprint templates
- Accuracy (Security Level 3): FAR $< 0.001\%$ | FRR $< 1.0\%$
- Sensing Window: $14.5 \text{ mm} \times 19.4 \text{ mm}$
- Communication:
- Interface: UART (TTL logic levels)
- Baud Rate: Configurable from 9,600 to 115,200 bps (Default: 57,600 bps)
- Physical & Environmental:
- Dimensions: $54 \text{ mm} \times 20 \text{ mm} \times 20 \text{ mm}$
- Indicator: Integrated status LED (Constant / Flashing)
- Operating Range: $-20^\circ\text{C}$ to $50^\circ\text{C}$, 40%–85% RH (non-condensing)
