FINGERPRINT R307

The R307S is an optical fingerprint sensor module with TTL UART interface. All-in-one design integrates image capture and algorithm processing. Supports 1:1 and 1:N matching modes. Compatible directly with 3.3V and 5V microcontrollers (Arduino, STM32, etc.). Captures at 500 DPI with a scanning speed of 0.3 seconds and verification in 0.2 seconds.

Note: Actual product may vary in design.

Pin Configuration:

• Red — 5V
• Black — GND
• Yellow — TX
• Green — RX

Specifications:

• Resolution: 500 DPI
• Scanning Speed: 0.3 sec
• Verification Speed: 0.2 sec
• Current Consumption: ≤75mA
• False Acceptance Rate: ≤0.0001%
• False Rejection Rate: ≤0.1%
• Template Size: 512 bytes
• Character File: 256 bytes
• Operating Temperature: -20 to +50°C
• Interface: TTL UART (3.3V/5V compatible)

Applications:

• Access control and attendance systems
• Safety deposit boxes and door locks
• DIY biometric security projects