Fingerprint Scanner - TTL (GT-521F32)

Model : SEN-00058

Brand : Sparkfun,USA

Supplier : SparkFun, USA

TechshopBD, Bangladesh


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BDT4153.82Save BDT 41.96

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BDT4137.04Save BDT 58.74

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Fingerprint Scanner - TTL (GT-521F32)

Fingerprint scanners are awesome! Why use a key when you have one right at the tip of your finger? Unfortunately, they’re often unreliable or difficult to implement. Well not anymore! This great GT-521F32 fingerprint module from ADH-Tech communicates over TTL Serial so you can easily embed it into your next project. The module itself does all of the heavy lifting behind reading and identifying the fingerprints with an onboard optical sensor and 32-bit ARM Cortex M3 processor.

To get started, just register each fingerprint that you want to store by sending the corresponding command and pressing your finger against the reader three times. The fingerprint scanner can store different fingerprints, and the database of prints can even be downloaded from the unit and distributed to other modules. In addition to the fingerprint “template,” the analyzed version of the print, you can retrieve the image of a fingerprint and even pull raw images from the optical sensor!

This module is the economical version of the GT-521F52 and can store up to 200 different fingerprints. It is capable of 360° fingerprint recognition and download/upload templates using serial interface. Additionally, the GT-521Fxx series features a resolution of 450dpi, with a false acceptance rate of <0.001% and a false rejection rate of <0.1% while only needing <1.5 seconds to identify a unique fingerprint!

The module is small and easy to mount using four mounting holes surrounding the sensor. The onboard JST-SH connector has four signals: Vcc, GND, Tx and Rx. A compatible JST-SH pigtail can be found in the Hookup Accessories section below.

Note: Please be aware that even though this fingerprint scanner is equipped with the same connector we use on all of our Qwiic boards, it is NOT Qwiic or I2C compatible. That being said, all of our Qwiic cables, like our 100mm versionwill work for this board.

For Connector Please Click here.

Click here to know more about this product.

  • Simple UART & USB communication protocol
  • Complies with USB 2.0 full-speed specification
  • Ultra-thin optical sensor
  • Resolution 450dpi
  • Capable of 360° recognition
  • Storage for 200 unique fingerprints
  • Wake up on Finger Function
  • Works well with dry, moist or rough fingerprints
  • Anti-scratch with surface high hardness ≧ 5H
  • 1:1 verification, 1:N identification
  • High-accuracy and high-speed fingerprint identification technology
  • 4x mounting holes
  • 2x JST SH connectors
Login to post comments.
Sayem Khan | Dec 7,2014 at 02:44 PM
when it will be available again? plz let me know the exact date...
Mosle86 | May 2,2015 at 12:27 AM
what type of FTDI need to connect with PC, 5V or 3.3V ?
Mosle86 | May 3,2015 at 11:26 PM
i have purchase one from u. but when i connect it via FTDI and usb to laptop, it becomes too much hot. Please Tell me What is the problems.
A.R | May 4,2015 at 11:33 AM
Is it working?
Mosle86 | May 10,2015 at 03:26 PM
i have installed FTDI driver GT511c software. when i connect, the blue LED of the scanner lit for half second. but No scanning or communication from demo soft.
Actually this finger print scanner is not working.
Please tell me what should i do now ?
A.R | May 10,2015 at 06:02 PM
Send that back to us with a copy of your invoice. We will check that and give the possible solution.
Shariarislam | Jun 25,2019 at 05:45 PM
nodemcu er shate kivabe connect korbo... uart pin er shate connect korle serial e kono response korena.
A.R | Jun 27,2019 at 09:44 AM
Please use sofwareserial.

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