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Home3D Printer & CNCSlider 5 Finger print Scanner Module – TTL (GT-521F32)
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Finger Print Module Scanner - TTL (GT-521F52)
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TL866II Plus Universal USB MiniPro USB Programmer for 15000+IC SPI Flash NAND EEPROM MCU PIC AVR

Finger print Scanner Module – TTL (GT-521F32)

  • Operating Voltage: 3.3V to 6V DC
  • Simple UART & USB communication protocol.
  • Complies with USB 2.0 full-speed specification.
  • Ultra-thin optical sensor.
  • Finger window: 12.9 x 16.9 mm.
  • Image Size: 258 x 202 Pixels.
  • Resolution 450 dpi.
  • Capable of 360° recognition.
  • Storage for 200 unique fingerprints.
  • False Acceptance Rate (FAR): <0.001%
  • False Rejection Rate (FRR): <0.01%
  • Wake up on Finger Function.
  • CPU: ARM Cortex M3 Core MCU).
  • Ultra-thin Optical Sensor.
  • Works well with dry, moist or rough fingerprints
  • Anti-scratch with surface high hardness ≧5
  • 1:1 verification, 1:N identification.
  • High-accuracy and high-speed fingerprint identification technology.
  • External UART-to-USB converter required (TX & RX levels: 3.3V).
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Categories: Development Boards & Modules, Modules, Slider 5 Tags: Biometric sensor, Fingerprint Scanner, Fingerprint Sensor, GT-521F32-TTL, optical sensor, Sensors
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Description

This Fingerprint Scanner Module  GT-521F32-TTL is the economical version of the GT-521F52. The GT-521F32 Fingerprint scanner defined as a small embedded module comprised of an optical sensor mounted on a small circuit board. The optical sensor scans the images of your fingerprint to recognize its pattern. Initially, we need to register each fingerprint that you want to store by sending the corresponding command and pressing your finger against the reader three times. The fingerprint data in the module stored and configured in 1:1 or 1: N mode for identifying the person.

The inbuilt camera takes pictures of your fingerprint and then processes it using a powerful in-built 32-bit CPU ARM Cortex M3 IC. These images are further processed and converted into binary value by using the ARM Microcontroller coupled with EEPROM. Each fingerprint sensor captures an image of 202×258 pixels with a resolution of 450dpi. And can enroll up to 200 unique fingerprints. It is capable of 360° fingerprint recognition and download/upload templates using the serial interface.  Each fingerprint template will assign an ID. During the detection process, it can automatically compare the scanned fingerprint with all templates. If any match found, it gives the corresponding ID number of that particular fingerprint.

In addition to the fingerprint “template,” the analyzed version of the print, it is possible to retrieve the raw bitmap image from the optical sensor. The camera in the sensor surrounded by blue LEDs used to take a clear image of the fingerprint. The module also has a green color SMD LED to indicate power. The GT-521F32 Fingerprint scanner features a false acceptance rate of <0.001% and a false rejection rate of <0.01% while only needing <1.5 seconds to identify a unique fingerprint. In case if the enrolled template count is less, the recognition speed will be high. This compact-sized module is easy to mount using four mounting holes surrounding the sensor. The onboard JST-SH connector provides four signals: Vcc, GND, Tx, and Rx. And a compatible JST-SH pigtail can be found in the Hookup Accessories.

 

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