Built-in fingerprint processing module that integrates the optical path and processing unit, delivering low power consumption and a simple interface. On-board fingerprint algorithm extracts features and provides fingerprint information; storage, comparison, and search are performed by the module’s fingerprint functions. Two processing workflows are supported: registration (enrollment) and matching; fingerprint matching can be done by direct comparison (one-to-one) or by search (one-to-many) across enrolled templates. Interfaces: USB and UART for flexible host integration and easy system design. Key attributes - Compact integrated design with on-board processing and storage - Low power consumption and reliable performance - Reduces host CPU load and data transfer by handling feature extraction, storage, and matching on the module - Fast enrollment and verification, scalable for multiple users Applications - Access control and door/locker systems - Time and attendance terminals - Embedded device security for IoT, kiosks, and industrial controllers This module provides a clear, efficient biometric solution with flexible connectivity and streamlined workflows, while staying consistent with its original function and capabilities.