Features of R503S Fingerprint Identification Sensor Module 

• Optical Fingerprint Sensor: High-precision optical sensor for accurate fingerprint capture and recognition.

• High Security & Accuracy: Built-in algorithms for fast and reliable fingerprint matching with high accuracy.

• Large Storage Capacity: Can store up to 1000 fingerprint templates in internal flash memory.

• Communication Interface: Supports UART communication (TTL), making it easy to integrate with various microcontrollers, including Arduino, ESP32, and others.

• Fast Matching Speed: High-speed matching capability allows quick fingerprint recognition.

• LED Indicator: Integrated LED lighting around the sensor to guide users during fingerprint placement and to indicate different statuses.

Specifications of R503S Fingerprint Identification Sensor Module 

• Interface:RS232 (TTL)

• Resolution:508 DPI

• Voltage :DC 3.3V

• Working current(Fingerprint acquisition):20mA      

• Standby current(finger detection): Typical touch standby voltage: 3.3V, Average current: 2uA

• Fingerprint capacity:150

• Fingerprint module external size: diameter 28mm

• Fingerprint module inner size: diameter 25mm(M25)

• Fingerprint module height: 19mm

• Sensing Array:160*160 pixel

• Effective collection area: diameter 15mm

• Connector: SH1.0-6pin

• Scanning Speed:< 0.2 second

• Verification Speed:< 0.3 second

• Matching Method:1:1; 1:N

• FRR (False Rejection Ratio):≤0.01%

• FAR (False Acceptance Ratio):≤0.00001%

• LED Color: RGB

• LED Control: Yes

• Antistatic capacity:15KV

• Abrasive resistance intensity:1 million times

• Peak power consumption:60 mA

• Work environment:-20°C ---55°C

• Work Humidity:0-90%

• Communications baud rate (UART):(9600 × N) bps where N = 1 ~ 12(default N = 6, ie 57600bps)