GT521F52 Fingerprint Sensor

The GT521F52 is an ultra-thin optical fingerprint scanner module featuring a high-accuracy ARM Cortex M3 MCU and 450 dpi resolution for reliable fingerprint identification. This module supports both UART and USB 2.0 full-speed communication protocols, making it easy to integrate with Arduino, Raspberry Pi, and other microcontrollers. With a storage capacity of 3000 fingerprints and a finger window size of 12.9 x 16.9 mm, it handles dry, moist, or rough fingerprints effectively. The sensor features a high-hardness anti-scratch surface (≧5H) for durability. Common applications include door access control systems, attendance machines, smart locks, and security devices. Choose this module for its proven reliability, wide compatibility, and excellent performance in various environmental conditions.