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Description
Fingerprint Scanner - 5V TTL (GT-511C1R)SEN 13007 SHARE Share on TwitterShare on FacebookPin It Description: Fingerprint scanners are awesome. Why use a key when you have one right at the tip of your finger? Unfortunately, theyre usually unreliable or difficult to implement. Well not anymore! Weve found this great fingerprint module from ADH Tech that communicates over TTL Serial so you can easily embed it into your next project. The module itself does all of the heavy lifting behind
SEN-13007 SHARE Share on TwitterShare on FacebookPin It
Description: Fingerprint scanners are awesome. Why use a key when you have one right at the tip of your finger? Unfortunately, they’re usually unreliable or difficult to implement. Well not anymore! We’ve found this great fingerprint module from ADH-Tech that 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 on-board optical sensor and 32-bit CPU. All you need to do is send it simple commands. 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. As well as the fingerprint “template,” the analyzed version of the print, you can also retrieve the image of a fingerprint and even pull raw images from the optical sensor!
This is the more economical version of the GT-511 which has a decreased memory capacity (compared to the GT-511C3). The module can only store up to 20 different fingerprints but is capable of 360° fingerprint recognition and download and upload templates using serial interface. If you are on a budget and need only a small number of fingerprints stored, this is the perfect option for you!
The module is small and easy to mount using two mounting tabs on the side of the sensor. The on-board JST-SH connector has four signals: Vcc, GND, Tx, Rx. A compatible JST-SH pigtail can be found in the related items below. Demo software for PC is available in the documents below, simply connect the module to your computer using an FTDI Breakout and start the software to read fingerprints!
Note: The module does not come with a cable, check in the Recommended Products section for an appropriate one.
Dimensions: 37 x 17 x 9.5 mm
Features
- High-Speed, High-Accuracy Fingerprint Identification using the SmackFinger 3.0 Algorithm
- Download Fingerprint Images from the Device
- Read and Write Fingerprint Templates and Databases
- Simple UART protocol (Default 9600 baud)
- Capable of 1:1 Verification and 1:N Identification
- 360° Fingerprint Recognition
Documents
- Datasheet
- Demo Software
- Garage Door Opener Tutorial (Instructables)
- GitHub (Example Code)
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4.9 ★★★★★
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Product Reviews
★★★★★ 5
A roomy leather tote
Color: Coffee, Color: Coffee
Firstly, the color of this bag was something I’ve been looking for awhile. I like that it’s structured and is just the right size to carry a lot of items without being too big. I was also impressed with the amount of pockets. I was going to buy a Portland Leather bag but learned they are unlined. Well this has lining. The stitching looks pretty decent, too. If you are looking to buy a leather bag for a good price, I’d pick one up now before tariffs kick in on leather goods!
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Reviewed in the United States on August 9, 2025
★★★★★ 5
Very Nice For The Price
Color: Nude
I wanted a plain neutral colored clutch purse to carry at a wedding. This was one is inexpensive, but does not look cheap. It will easily hold a lipstick, compact, small hair rush, and my phone. It comes with detachable chain that you can use if you want to, but I think it looks more dressy without it. I am sure this will suit your needs if you want a decent clutch purse that doesn't cost a lot of money.
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Reviewed in the United States on April 16, 2026
★★★★★ 5
Cute dressy purse for special occasion
Color: Black, Color: Black
I bought this so I could have a dressy small evening out purse. It’s a stiff, molded shaped purse and looks great as part of the entire outfit. It comes with two dressy little gold and silver chain shoulder straps to match either one with your clothing or jewelry. Perfect size for carrying powder, lipstick, mirror, pen, a small hairbrush. There is a small, tight little pocket inside to hold a credit card, and some cash. It was the perfect purse for my needs.
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Reviewed in the United States on December 23, 2025
★★★★★ 5
Functional roomy versatile purse
Color: Black
Faux leather but looks like the real thing. It comes with two chain straps. One is silver one is gold. The trim on the purse itself is gold. It's formed. I can fit several things inside. It's a nice size purse that can take you from day to night even to a clutch.
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Reviewed in the United States on January 25, 2026
★★★★★ 4
To small for me
Color: Black
Wasn’t happy with it
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Reviewed in the United States on May 26, 2026