Fingerprint Sensor R307S

🔹 R307S Optical Fingerprint Sensor Module – UART/USB, 1000 Print Capacity

The R307S is a high-performance optical fingerprint module that integrates image capture, processing, and algorithm functions into one device. It features a TTL UART interface for direct connection to microcontrollers, a USB interface for PC connectivity, and can store up to 1000 fingerprint templates.

✅ Specifications:

Storage Capacity: 1000 fingerprints

Interface: UART (TTL logical level) / USB 2.0

Supply Voltage: 4.2V – 6.0V DC

Operating Current: ≤75mA

Image Resolution: 500 DPI (508 DPI)

Window Area: 14 x 18 mm

Dimensions: 46–55mm x 21mm x 21.5mm

Scanning Speed: 0.3 sec

Verification Speed: 0.2 sec

FAR/FRR: ≤0.001% / ≤0.1%

📦 Pin Configuration :

VCC: 4.2–6.0V Power

GND: Ground

TX: UART Transmit (connect to MCU RX)

RX: UART Receive (connect to MCU TX)

TOUCH: Finger detection output

📦 Features:
✔️ All-in-One integrated imaging and algorithm chip
✔️ Supports both UART and USB interfaces
✔️ 1:1 and 1:N matching modes
✔️ Configurable baud rate (default: 57600bps)
✔️ Compatible with 3.3V and 5V microcontrollers
✔️ Low power consumption

📦 Applications:
✔️ Access control and security systems
✔️ Biometric door locks
✔️ Time and attendance tracking
✔️ IoT and embedded security projects