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Detection & Sensor Module, Electronic Parts, Module
R502 Capacitive Fingerprint Sensor Module
Availability:
In stock
The R502 Capacitive Fingerprint Sensor Module is a compact round fingerprint recognition module designed for biometric identification and access control applications. It uses a 508 DPI capacitive fingerprint sensor with a 192 × 192 sensing array and supports fast fingerprint acquisition and verification through a 3.3V TTL UART interface. The module supports fingerprint enrollment, 1:1 verification, and 1:N identification, with a built-in touch detection function that can wake the system when a finger is placed on the sensing surface. Its small round form factor and waterproof design make it suitable for door locks, access control systems, safes, cabinets, embedded devices, and other biometric applications.
121,300 Ks
In stock
Features
- Capacitive fingerprint sensing technology
- 508 DPI fingerprint resolution
- 192 × 192 pixel sensing array
- Supports up to 200 fingerprints
- Fast fingerprint scanning: <0.2 seconds
- Fast verification: <0.3 seconds
- Supports 1:1 verification and 1:N identification
- UART TTL communication interface
- 3.3V DC operating voltage
- Very low touch-detection standby current, approximately 2 µA
- Built-in finger detection / touch wake-up function
- Built-in controllable LED indicator
- Compact 21.5 mm round design
- IP65 waterproof design for R502-F
- 15 kV ESD protection
- Suitable for embedded biometric applications
- Supports Arduino, MCU, Windows, Linux and other platforms through UART/SDK support
Applications
- Fingerprint Door Locks
- Smart Door Access Control
- Fingerprint Cabinet Locks
- Safe Box Security Systems
- Attendance Systems
- Fingerprint Padlocks
- Smart Home Security
- Industrial Access Control
- Embedded Biometric Devices
- Arduino / ESP32 / STM32 Projects
- IoT Security Systems
- Model: R502 / R502-F
- Sensor Type: Capacitive Fingerprint Sensor
- Resolution: 508 DPI
- Sensing Array: 192 × 192 pixels
- Operating Voltage: DC 3.3V
- Working Current: Approx. 20 mA
- Standby / Finger Detection Current: Approx. 2 µA
- Communication Interface: UART (TTL Level)
- Connector: 6-Pin MX1.0 / SH1.0
- Default Baud Rate: 57600 bps
- Supported Baud Rate: 9600 × N bps, N = 1–12
- Fingerprint Capacity: 200 fingerprints
- Effective Collection Area: Approx. Ø15–15.5 mm
- External Diameter: Ø21.5 mm
- Inner Diameter: Ø19.4–19.5 mm
- Module Height: 9 mm
- Scanning Speed: < 0.2 s
- Verification Speed: < 0.3 s
- Matching Method: 1:1 / 1:N
- Waterproof Rating: IP65
- Anti-Static Protection: 15 kV
- Operating Temperature: -20°C to 55/60°C*
- Operating Humidity: 0–90% RH*
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