FPM10A Optical Fingerprint Reader Sensor Board Module with Serial Interface Overview A compact optical fingerprint sensor board module designed for easy integration into microcontroller projects and access control systems. The FPM10A provides fingerprint capture and recognition capabilities over a serial communication interface, making it suitable for Arduino based locks and similar embedded applications. Key benefits Simple integration: Communicates over a standard serial interface so it connects directly to Arduino and other microcontroller UART ports without complex wiring. Faster development: Onboard sensor and processing reduce the need for external image processing, shortening development time for prototypes and finished products. Improved access control: Replaces keys and codes with fingerprintbased identification to simplify secure entry and reduce the risk of unauthorized access. Compact and durable: Sensor mounted on a small PCB for straightforward mounting in enclosures and housings. What it does Optical fingerprint capture: Reads fingerprint patterns using an optical sensing element suitable for enrollment and verification tasks. Serial command interface: Controls and queries the module using serial commands, allowing enrollment, search, and verification operations from host microcontrollers. Designed for locks and authentication: Intended for use in electronic door locks, cabinets, and other embedded access control solutions. Compatibility and connectivity Compatible with Arduino and other microcontrollers that provide TTL serial communication. Uses standard serial wiring and baud rate configuration to integrate with common development boards and controllers. Requires a digital I O and serial connection for command and data exchange. Physical and performance attributes Sensor board format: Optical sensor mounted on a PCB module for easy mechanical and electrical integration. Size: Compact module suitable for embedded projects and enclosure mounting. Material and construction: Standard PCB with optical sensor element and connector headers for signal and power. Performance: Designed to capture clear fingerprint images for reliable identification in typical indoor application environments. Typical use scenarios Electronic door lock: Integrate the FPM10A with an Arduino controller to implement fingerprint based door access for offices, labs, and private rooms. Secure storage or cabinet access: Add biometric authentication to tool cabinets, lockers, or equipment enclosures to control who can open them. Embedded authentication for projects: Use in prototype systems or products that require user authentication such as time attendance terminals, control panels, or single board computer peripherals. What to expect in development Use serial commands from your microcontroller to enroll, verify, and search fingerprints. Module simplifies ondevice fingerprint handling so the host system can focus on application logic and access control actions. Suitable for developers building custom lock controllers, access systems, or biometricenabled devices. This module provides a practical fingerprint sensing solution for developers and integrators seeking compact, serially controlled biometric input for Arduino and similar platforms.