AS608 Optical Fingerprint Sensor Fingerprint Module

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Working Principle

Description

The AS608 Optical Fingerprint Sensor Module operates by capturing a high-resolution image of a fingerprint and using an integrated algorithm to extract features from the image. These features are used for registering, comparing, and searching fingerprints within the module. The process involves two main operations: fingerprint registration and fingerprint matching, which includes 1:1 comparison and 1:N search modes.

Sensor Types

Optical

Dos And Donts

Donts

  • Avoid Using Force On Sensor: Do not press too hard on the fingerprint sensor surface to prevent damage.,
  • Do Not Expose To Direct Sunlight: Keep the sensor away from direct sunlight to avoid overheating and potential damage.,
  • Prevent Water Or Liquid Exposure: Ensure the sensor does not come into contact with water or other liquids.

Dos

  • Ensure Clean Fingerprint Surface: Make sure the fingerprint window area is clean before use to avoid poor image quality.,
  • Follow Proper Enrollment Procedure: Enroll each fingerprint twice as required by the module to ensure accuracy in matching.,
  • Use Appropriate Power Supply: Provide a stable 3.3V supply voltage to ensure the module functions correctly.
Limits

Environmental

  • Avoid Extreme Temperatures: Operate the device within normal room temperatures to prevent malfunction or damage.

Power Requirements

  • Supply Current: <60mA,
  • Supply Voltage: 3.3V,
  • Peak Current: <60mA
How To Connect

Connection Steps

  • Connect To Microcontroller: Use the provided 8-pin connecting cable to connect the sensor to a compatible microcontroller such as Arduino.,
  • Configure Serial Communication: Set up the serial communication via USB or UART as per the module's specifications.
Dimensions

Module Size

46mm (Length) x 21mm (Width) x 24mm (Height)

Window Area

15.3×18.2 mm