Unit Fingerprint2 is a high-performance fingerprint sensor unit integrating an STM32 core controller and an A-K323CP integrated fingerprint recognition module.<br> It uses a semiconductor capacitive sensor and provides multiple functions, including fingerprint acquisition, feature extraction, registration, comparison, storage, and retrieval.<br> The high-resolution capacitive fingerprint sensor offers high-precision recognition capabilities. It has a capacity of 100 fingerprints.<br> The module features a built-in fingerprint recognition algorithm that adapts to various conditions, including wet and dry fingers.<br> It offers flexible user fingerprint data management, high data security, and fast search and location capabilities.<br> This unit uses a UART communication interface for easy integration with various control platforms.<br> It features a colorful light ring and power indicator for interactive status indication.<br> It is suitable for rapid development and integration in a variety of scenarios, including smart door locks, access control and attendance, identity authentication, financial payments, and small security systems.<br> Parameters:<br> MCU: STM32G031G8U6<br> Fingerprint Sensor Module: A-K323CP<br> Fingerprint Sensor Resolution: 508 dpi<br> Image Pixels: 80*208<br> Acquired Image Size: 8230 Bytes (80*208/2=8320, 4 bits per pixel)<br> Fingerprint Capacity: 100 Fingerprints<br> Fingerprint Data Size: 7262 Bytes/Finger<br> Communication Method: UART 115200 bps @ 8N1<br> Power Consumption:<br> Operating Mode: 40mA (Breathing Light On); 37.25mA (Breathing Light Off)<br> Sleep Mode: 14.11mA<br> Applications:<br> Smart Door Locks<br> Access Control and Attendance<br> ID Authentication<br> Financial Payments<br> Small Security<br> Color: White<br> Material: plastic<br> Package Contents:<br> 1*Fingerprint 2 Unit<br> 1*Connecting cable<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3c