R305 Optical Fingerprint Scanner Sensor Module

The R305 Optical Fingerprint Scanner Sensor Module is an optical biometric fingerprint reader with TTL UART communication. It supports fingerprint enrollment, 1:1 matching, and 1:N search mode. The module stores fingerprint data internally and provides a practical interface for microcontroller-based projects. It is designed for direct connection with 3.3V or 5V microcontrollers. A suitable level converter or serial adapter is required for connection to a PC serial port.

This fingerprint sensor module is built for fingerprint image capture, feature extraction, template storage, and fingerprint comparison. It offers a serial communication option through UART and USB1.1. The R305 Optical Fingerprint Scanner Sensor Module includes configurable security levels and defined storage capacity.

Features of R305 Optical Fingerprint Scanner Sensor Module

• Optical fingerprint sensing
• 1:1 matching support
• 1:N search support
• Low power operation
• Easy to use
• Anti-static capability over 15KV
• Adjustable security level
• Internal fingerprint storage
• UART and USB1.1 communication
• Direct connection to 3.3V and 5V microcontrollers

Specifications of R305 Optical Fingerprint Scanner Sensor Module

• Working voltage: DC 4.2 ~ 6.0V
• Current: 110mA
• Peak current: 140mA
• Fingerprint image input time: <0.3 seconds
• Window area: 15 x 19 mm
• Matching mode: 1:1
• Search mode: 1:N
• Signature file: 256 bytes
• Template file: 512 bytes
• Storage capacity: 980 fingerprints
• Security level: 5 levels
• False Accept Rate (FAR): <0.001%
• False Rejection Rate (FRR): <1.0%
• Search time: <1.0 second
• Interface: UART, USB1.1
• Baud rate: (9600 x N) bps
• N range: 1 ~ 12
• Default N value: 6
• Default baud rate: 57600bps
• Operating temperature: -20 c- + 40c
• Operating humidity: 40% RH-85% RH

How to Use R305 Optical Fingerprint Scanner Sensor Module

1. Connect the module to a compatible microcontroller or serial interface.
2. Set the communication parameters as required.
3. Enroll fingerprints into the internal memory.
4. Use 1:1 matching or 1:N search for identification.

More Info

• Suitable for fingerprint lock, fingerprint safe, and fingerprint access control applications.
• PC serial connection requires a suitable level converter or serial adapter.