AS608 Optical Fingerprint Reader Module

The AS608 is a compact and highly capable optical fingerprint reader module designed for secure biometric identification and access control applications. Built around the industry-proven AS608 fingerprint processing chip, this module handles the entire fingerprint recognition process onboard — from image capture and feature extraction to template storage and matching — delivering fast and reliable results with minimal load on your host microcontroller.

With a storage capacity of up to 162 fingerprint templates and a UART TTL serial interface, the AS608 integrates seamlessly with Arduino, STM32, ESP32, Raspberry Pi, and virtually any microcontroller platform. It supports both 1:1 verification and 1:N identification modes, making it suitable for door locks, attendance systems, safe boxes, and personal authentication devices.

Designed for makers, electronics enthusiasts, and embedded system developers, the AS608 offers an accessible entry point into fingerprint-based security without complex hardware overhead. Its compact form factor and straightforward command protocol make implementation quick and beginner-friendly.

Specification:

• Model : AS608
• Supply Voltage : 3.6V – 6V DC
• Interface : UART TTL Serial (57600 baud default)
• Fingerprint Capacity : Up to 162 Templates
• Verification Mode : 1:1 and 1:N
• False Acceptance Rate (FAR) : ≤ 0.001%
• False Rejection Rate (FRR) : ≤ 0.1%
• Matching Speed : < 1 Second
• Sensing Area : 14mm × 18mm
• Image Resolution : 256 × 288 pixels / 500 DPI
• Dimensions : Approx. 56mm × 20mm × 21.5mm