SKU: SENS-0574
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AS608 Optical Fingerprint Sensor Module - 500dpi, UART/USB Interface

₹856.00 (Inclusive of all taxes)
Out of Stock

The AS608 is an optical fingerprint sensor module with a 500 DPI optical sensor and integrated algorithm chip, designed for secure biometric authentication in embedded systems. It operates at 3.3V DC and communicates via UART or USB, making it compatible with Arduino, Raspberry Pi, ESP32, and other microcontrollers.

Features

  • High-resolution 500 DPI optical sensor for precise fingerprint imaging.
  • Integrated fingerprint algorithm chip for 1:1 and 1:N (search) matching modes.
  • Low power operation with a typical supply current under 60mA at 3.3V DC.
  • UART and USB communication interfaces for easy microcontroller and PC integration.
  • Compact footprint (46mm x 21mm) with a dedicated 15.3mm x 18.2mm sensing window.

Out of stock

Description

The AS608 Optical Fingerprint Sensor Module utilizes professional optical imaging technology to capture high-contrast fingerprint patterns. Its integrated processing chip handles the complete workflow from image acquisition and feature extraction to template storage and matching, offloading computational burden from the host controller. The module supports both fingerprint verification (1:1) against a single enrolled template and identification (1:N) searches against a database of up to several hundred fingerprints.

Engineered for reliable performance in access control, time attendance systems, and secure device authentication, the module features a durable construction and a straightforward serial command set. Its low power consumption and compact form factor make it suitable for integration into portable electronics and IoT security nodes.

Key Features

  • Integrated Biometric Processor: Combines optical sensor, image processor, and fingerprint algorithm on a single chip for standalone operation.
  • Dual Communication Protocols: Offers flexible integration via UART (TTL serial) and USB interfaces.
  • Fast Processing: Captures and processes a fingerprint image in under 1 second.
  • High-Capacity Template Storage: Capable of storing a database of fingerprint templates internally.
  • Developer-Friendly: Provides a comprehensive set of serial commands for secondary development and system integration.
  • Optimized Optical Path: Precision manufacturing ensures consistent image quality and reduces false acceptance/rejection rates.

Applications

  • Standalone and networked electronic door lock and access control systems.
  • Employee time and attendance tracking terminals for offices and factories.
  • Secure user authentication for safes, lockers, and personal computing devices.
  • Biometric verification in IoT devices, payment kiosks, and smart home controllers.
  • Embedded security for robotics, drones, and custom microcontroller projects.

Technical Specifications

Sensor TypeOptical
Resolution500 DPI
Supply Voltage3.3V DC
Operating Current< 60 mA (typical)
Peak Current< 60 mA
Fingerprint Entry Time< 1.0 seconds
Sensing Window Area15.3 mm x 18.2 mm
Communication InterfaceUART (TTL), USB
Matching Modes1:1 (Comparison), 1:N (Search)
Module Dimensions (L x W)46 mm x 21 mm
Module Weight20 g

Frequently Asked Questions

What is the operating voltage for the AS608 fingerprint module?

The AS608 module requires a stable 3.3V DC power supply. Exceeding this voltage, such as applying 5V directly to the VCC pin, can permanently damage the sensor and processor. Ensure your power source or voltage regulator can provide the required current, typically under 60mA during operation.

How do I communicate with the AS608 module?

The module communicates via a TTL-level UART serial interface (TX, RX pins) or USB. For microcontroller use (Arduino, ESP32), connect the module's TX pin to your MCU's RX pin and vice-versa, using 3.3V logic levels. It uses a predefined command set sent over serial to perform operations like enrollment, matching, and database management.

What is the difference between 1:1 and 1:N matching modes?

In 1:1 mode (verification), you provide a specific fingerprint ID, and the module compares the scanned print only against that stored template to confirm a match. In 1:N mode (identification or search), the module scans a print and searches its entire internal database to find a matching template, returning the corresponding ID if found. The 1:N mode is used when the user's identity is not pre-selected.

What is included in the package?

The package includes one AS608 optical fingerprint sensor module and one 8-pin connecting cable. The cable is typically used to interface the module's pins (VCC, GND, TX, RX, etc.) with a breadboard, development board, or direct solder connections. No additional mounting hardware or software is provided.

Package Includes

  • 1 x AS608 Optical Fingerprint Sensor Module
  • 1 x 8-pin Connecting Cable

Additional Information

Weight 0.02 kg
Dimensions 4.6 × 2.1 cm