R307 Fingerprint Sensor Module Optical Biometric Finger Print Scanner For Arduino, ESP32, Raspberry Pi - RS5048

Description:

The R307 Fingerprint Sensor Module is a high-precision optical biometric fingerprint scanner designed for secure and reliable identity verification. It operates on a 4.5V–6V DC power supply and uses UART communication for easy integration with Arduino, ESP32, Raspberry Pi, and other microcontroller platforms. With fast recognition speed and accurate fingerprint detection, it is ideal for smart lock systems, attendance systems, access control, door security, and IoT-based DIY electronics projects. This module offers stable performance, easy installation, and high reliability, making it perfect for students, makers, engineers, and developers building advanced biometric security solutions.

Specifications:

• Model: R307 Fingerprint Sensor Module
• Supply Voltage: DC 4.2V – 6.0V
• Working Current: ~50mA (typical)
• Peak Current: ≤ 80mA
• Fingerprint Image Input Time: < 0.3 seconds
• Window Area: 14 × 18 mm
• Matching Modes: 1:1 and 1:N matching
• Characteristic File Size: 256 bytes
• Template Size: 512 bytes
• Storage Capacity: Up to 1000 fingerprints
• Security Level: 1 to 5 (adjustable)
• False Acceptance Rate (FAR): < 0.001%
• False Rejection Rate (FRR): < 1.0%
• Search Time: < 1.0 second (for 1:1000 matching, average)
• Host Interface: UART / USB 1.1
• UART Baud Rate: (9600 × N) bps, where N = 1–12
  • Default: N = 6 → 57,600 bps
    

Features:

• High-precision optical fingerprint recognition sensor
• Fast matching speed with <0.3 sec image capture
• Supports 1:1 and 1:N biometric verification modes
• Stores up to 1000 fingerprint templates
• UART & USB interface for easy microcontroller integration
• Compatible with Arduino, ESP32, Raspberry Pi & STM32
• Low power consumption with stable performance
• Adjustable security level (1 to 5) for flexible use
• High accuracy with ultra-low FAR & FRR error rate
• Compact design ideal for smart locks & security systems
  

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
5	TOUCH	Active Low output when there is a touch on the sensor by a finger
6	3.3V	Use this wire to give 3.3V to the sensor instead of 5V

Package Included:

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