Description
Description
The R305 Optical Fingerprint Sensor Module is a professional-grade biometric solution designed for high-security access control and identity verification. This all-in-one module integrates a high-resolution optical sensor, a specialized digital signal processor (DSP), and advanced fingerprint recognition algorithms into a single, compact unit.
The R305 is engineered to handle the entire fingerprint processing workflow internally—from image capturing and feature extraction to template generation and matching. With its built-in flash memory, it can store and manage hundreds of unique fingerprint templates without requiring an external database. Its universal TTL Serial (UART) interface makes it highly compatible with microcontrollers such as Arduino, Raspberry Pi, STM32, and ESP32, providing a reliable and cost-effective biometric entry point for both standalone DIY projects and commercial security systems.
Key Features
- All-in-One Processing: Onboard DSP performs all complex mathematical calculations for fingerprint matching, offloading the work from your main microcontroller.
- High-Resolution Imaging: The optical sensor captures clear, detailed fingerprint images for high-accuracy matching and a low false-rejection rate.
- Large Storage Capacity: Integrated flash memory stores up to 256 individual fingerprint templates directly on the module.
- User-Friendly Interface: Uses simple UART (Serial) communication; no complex drivers are needed to enroll, search, or delete fingerprints.
- Multi-Mode Matching: Supports both 1:1 (Verification) and 1:N (Identification) matching modes.
- Adjustable Security Levels: Users can configure the security threshold (matching confidence level) to suit different environmental requirements.
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