SKU: 93738269735

SPF FINGERPRINT SCANNER GT521F32

Sale price$283.69 Regular price$315.21
Save 10%

Pay in installments of $78.80 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 28 - Sep 2

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

SPF FINGERPRINT SCANNER GT521F32SparkFun Fingerprint Scanner TTL (GT 521F32) "REQUIRES SPF 4W JUMPER CABLE SOLD SEPARATELY" Overview Fingerprint scanners are awesome! Why use a key when you have one right at the tip of your finger? Unfortunately, theyre 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

SparkFun Fingerprint Scanner - TTL (GT-521F32) "REQUIRES SPF 4W JUMPER CABLE-SOLD SEPARATELY"

Overview

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 version, will work for this board.

Features

  • 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

     

    Specification

     

     

    Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 93738269735

    Discover Niche Categories That Outsell

    Top-Converting Item to Boost Your Average Order

    4.5 ★★★★★
    Based on 28 reviews
    Sort
    Highest Rating
    Newest First
    Oldest First
    Product Reviews
    M
    Verified Purchase
    marcial ciprian
    Alexandria, US
    ★★★★★ 5
    Good shoes
    Size: 7, Color: British Tan/Ivry, Size: 7, Color: British Tan/Ivry
    Look very nice these shoes, speally to go out to dinner with the family, are really light weight, great quelith, and great softness
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 8, 2026
    O
    Verified Purchase
    Orande Daring
    Whiting, US
    ★★★★★ 5
    Nice Shoes
    Size: 10.5, Color: British Tan/Ivry
    Nice pair of shoes for my feet. Fits comfortably and nice cushion when walking. I would buy another pair.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 26, 2026
    M
    Verified Purchase
    MR. H.
    Dallas, US
    ★★★★★ 5
    Super comfortable!
    Size: 9, Color: Navy Blazer/Ivor
    Some of the most comfortable shoes that I've ever worn/walked in! Super light on my feet. Nice casual looking and comfortable shoe for a reasonable price. I already brought 3 pair.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 21, 2026
    D
    Verified Purchase
    deloris s.
    Dallas, US
    ★★★★★ 5
    Comfortable Shoes
    Size: 12, Color: Navy Blazer/Ivor
    This is the second time I purchased this style of shoes. They are extremely comfortable. They can be worn on casual and business events.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 25, 2026
    L
    Verified Purchase
    LindyB
    Bozeman, US
    ★★★★★ 5
    Great dressy sneaker to wear with business casual or jeans
    Size: 11, Color: British Tan/Ivry
    I got these for my husband to wear with jeans or business casual dress pants. They look sharp and professional and dress up jeans if you're going out. He says they fit comfortably and he can walk on them all day without his feet hurting. They are beautiful genuine leather so they don't get stinky. I got my husband's normal size and they fit to size.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on February 11, 2026

    recommand products