Fingerprint Scanner TTL GT511C3 – 3.3V to 6VFingerprint Scanner TTL GT511C3 – 3.3V to 6VFingerprint Scanner TTL GT511C3 – 3.3V to 6V

Fingerprint Scanner TTL GT511C3 – 3.3V to 6V


(as of 11/22/2017 at 05:40)

Product Description

Finger print scanners are amazing. Why utilize a secret when you have one right at the idea of your finger? Regrettably, they’re generally undependable or challenging to carry out. Well not any longer! We’ve found this excellent fingerprint module from ADH-Tech that interacts over TTL Serial so you can quickly embed it into your next project.

The module itself does all of the heavy lifting behind reading and identifying the fingerprints with an on-board optical sensing unit and 32-bit CPU. All you have to do is send it easy commands. To obtain started, just sign up each fingerprint that you desire to save by sending the matching command and pressing your finger against the reader 3 times. The fingerprint scanner can accumulate to 20 different finger prints and the database of prints can even be downloaded from the system and dispersed to other modules. As well as the fingerprint “design template,” the analyzed variation of the print, you can likewise recover the image of a fingerprint and even pull raw images from the optical sensor!

This is the upgraded version of the GT-511 which has an increased memory capacity. The module can store up to 200 various fingerprints (that’s 10x more than the old version!) and is now capable of 360 ° recognition.

The module is little and easy to install utilizing 2 installing tabs on the side of the sensing unit. The on-board JST-SH port has four signals: Vcc, GND, Tx, Rx. A suitable JST-SH pigtail can be discovered in the associated products listed below. Demo software for PC is available in the files listed below, just link the module to your computer utilizing an FTDI Breakout and start the software to read fingerprints!

Measurements: 37 x 17 x 9.5 mm

4-wire cable included


  • High-Speed, High-Accuracy Finger print Recognition utilizing the SmackFinger 3.0 Algorithm
  • Download Finger print Images from the Gadget
  • Read and Write Fingerprint Templates and Databases
  • Basic UART protocol (Default 9600 baud)
  • Efficient in 1:1 Confirmation and 1: N Recognition

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