Compact integrated fingerprint module for registration and matching This fingerprint processing module combines an optical sensing path with onboard fingerprint processing to handle both enrollment and identification tasks in a compact, low power package. It extracts feature templates from captured fingerprints and performs storage, comparison, and search operations using those templates. Communication is provided via USB and UART for flexible integration. Key benefits Accurate featurebased handling: The algorithm extracts fingerprint features and uses those templates for storage, comparison, and search, enabling consistent template handling across registration and matching workflows. Flexible matching modes: Supports both onetoone comparison and onetomany search modes, allowing fast verification and scalable identification in different applications. Easy integration: USB and UART interfaces allow straightforward connection to host systems, microcontrollers, and single board computers without complex wiring. Compact and energy efficient: Integrated optical path and processing reduce component count, enclosure size, and power consumption, simplifying product design and helping improve enrollment and match success in end products. Main functions and attributes Fingerprint registration process: Capture and convert a fingerprint image into a feature template suitable for storage. Fingerprint matching process: Twoway matching that includes direct fingerprint comparison and fingerprint search across stored templates. Templatecentric operations: Storage, comparison, and search are performed on feature templates rather than raw images to reduce storage and speed processing. Communication: Native USB and UART interfaces for control, data transfer, and integration with a wide range of host devices. Form factor and power: Integrated optical and processing design yields a small volume and low power consumption, suitable for spaceconstrained and batterypowered systems. Compatibility and performance notes Works with host devices that support USB or UART serial communication. Designed to operate as a selfcontained fingerprint processing module; host systems handle higherlevel application logic and data management. Practical applications Access control: Add biometric entry to doors, turnstiles, and secure cabinets for staff verification using either quick onetoone checks or user database searches. Time and attendance: Integrate into time clocks and workforce management terminals to register employees and verify identity at checkin and checkout. Embedded devices: Use in kiosks, point of terminals, and custom hardware projects that require compact biometric identification with serial or USB connectivity. This module provides a compact, low power solution for fingerprint enrollment and identification, with templatebased processing and USB and UART interfaces for flexible system integration.