Optical Fingerprint Sensor Module

This AS608-based optical fingerprint reader module operates at DC 3.3V with low operating current, making it suitable for battery-powered or energy-conscious access control systems. It measures compact dimensions (typical AS608 footprint: approx. 32 × 28 × 20 mm) and weighs under 25 g. The module uses optical sensing technology to capture high-contrast fingerprint images for reliable feature extraction. Fingerprint processing supports two core workflows: registration — where each finger is scanned twice to generate a robust composite template stored onboard — and matching, which offers both 1:1 verification (e.g., door lock unlock) and 1:N identification (e.g., multi-user access control). All algorithms and template storage are handled internally by the module’s dedicated processor, requiring no external image processing.