R307 Optical Fingerprint Reader Sensor Module

The R307 Optical Fingerprint Reader Sensor Module is a fingerprint sensor with a TTL UART interface, designed for direct connections to microcontrollers or PCs through a MAX232/USB-Serial adapter. Here are its key features and specifications:

  Features:  

• Integrated image collecting and algorithm chip for an all-in-one solution.
• Supports secondary development and can be embedded into various end products.
• Low power consumption, low cost, small size, and excellent performance.
• Professional optical technology and precise module manufacturing techniques.
• High image processing capabilities with successful capture up to 500 DPI resolution.

  Specifications:  

• Operating voltage: 4.2 ~ 6 VDC
• Current consumption: 75mA
• Verification Speed: 0.2 sec
• Scanning Speed: 0.3 sec
• Character file size: 256 bytes
• Template size: 512 bytes
• False Acceptance Rate (FAR): 0.0001%
• False Rejection Rate (FRR): 0.1%
• Resolution: 500 DPI
• Operating Temperature: -20 ~ +50 °C
• Dimensions (LxWxH): 46 x 21 x 23.5 mm
• Weight: 20g

  Pinouts:  

• 5V: Regulated 5V DC
• GND: Common Ground
• TXD: Data output – Connect to MCU RX
• RXD: Data Input – Connect to MCU TX
• TOUCH: Active Low output when there is touch on sensor by finger
• 3.3V: Use this wire to give 3.3V to sensor instead of 5V
• USB Cable Connections: 5V/D+/D-/GND (Optional)

Package Includes:

• 1 x R307 Optical Fingerprint Reader Sensor Module
• 1 x Connecting Cable (6-pin)

The R307 module is suitable for applications such as access control, attendance systems, safety deposit boxes, and car door locks, offering high security and convenience.