Capacitive 360-degree fingerprint sensor (D) with UART

The UART fingerprint sensor is equipped with a powerful Cortex processor and a highly secure fingerprint algorithm. It enables functions such as registration, matching and image capturing, and is suitable for small applications with high precision thanks to simple UART commands.

Features:

Simple operation through simple commands.
Commercial fingerprint algorithm with stable performance and fast identification.
Capacitive detection for quick validation through light touch. Built-in hardware for small applications.
Stainless steel rim for 360° omnidirectional verification.
Embedded sensor with low power consumption.
Integrated UART port for easy connection to hardware platforms.

Example Applications for Fingerprint Reader:

Fingerprint lock
Safe box with fingerprint
Access control system with fingerprint scanner
Door lock system with fingerprint
Time attendance system

Documentation:

Waveshare Wiki

Technical Details:

Manufacturer: Waveshare
Manufacturer SKU: 20903
Sensor: capacitive touch sensor
Resolution: 508 DPI
Pixels: 160×160
Image Grayscale: 8
Sensor Dimension: R15.5 mm
Fingerprint Capacity: 150
Recognition Time: <500ms (1:N, and N≤100)
False Acceptance Rate: < 0.001%
False Rejection Rate: < 0.1%
Operating Voltage: 2.7~3.3V
Operating Current: < 50mA
Idle Current: < 16uA
ESD: Contact discharge 8KV / Antenna discharge 15KV
Communication Port: UART
Baud Rate: 19200 bps
Operating Environment Temperature: -20°C~70°C; Humidity: 40%RH~85%RH (no condensation)
Storage Environment Temperature: -40°C~85°C; Humidity: <85%RH (no condensation)
Dimensions: 19.2mm (diameter) x 2mm
Weight: 10g