Ultra-Slim Round Fingerprint Sensor and 6-pin Cable
Available with a lead time
Expect dispatch between Nov 29 and Dec 04
Quantity Discounts:
- 10-25 $33.29 (exc GST)
- 25+ $32.25 (exc GST)
Secure your project with biometrics - this adorably tiny, all-in-one, optical fingerprint sensor will make adding fingerprint detection and verification super simple. It's extremely slim, with a plastic casing that can be glued or panel mounted into any enclosure! There are some embedded blue LEDs that light up the outer casing when the sensor is waiting for finger touches.
These modules are typically used in safes - there's a high powered DSP chip that does the image rendering, calculation, feature-finding, and searching. Connect to any microcontroller or system with TTL serial, and send packets of data to take photos, detect prints, hash, and search. You can also enroll new fingers directly - up to 80 fingerprints can be stored in the onboard FLASH memory.
It also comes with a 6-pin Molex-style 1mm pitch connector, which you can easily cut off and solder directly to the wires. You can solder and heatshrink the included tinned pigtails, or crimp them with 0.1" housings like those from Pololu's range
But, of course, Adafruit wouldn't leave you a manual and a "good luck!" - Adafruit have written both an Arduino library and CircuitPython library so that you can get running in under 10 minutes. The library can enroll and search so it's perfect for any project. Adafruit have also written a detailed tutorial on wiring and use of these types fingerprint sensors.
Use this pin-out to connect to your microcontroller, and then use Adafruit's library to interface over UART pins. This sensor now uses 57600 baud but some older versions were set to 115200 baud rather than the 'standard' 57600 used by many other sensors, so you may need to update the examples to 115200 baud for the sensor to respond (just try both!)
- Black to GND
- Yellow to Microcontroller TX (data out from microcontroller)
- Green to Microcontroller RX (data in from microcontroller)
- Red to 3.3V VIN
- White to IRQ (can leave disconnected)
- Blue to 3.3V VCC (can leave disconnected)
Technical Details
Datasheets, software, wiring examples and more all in the Learning System guide
- Sensor diameter: 20.8mm
- Cable assembly length: ~100mm
Revision History:
- As of May 21, 2021 - the sensor has been changed to 57600 baud instead of 115200 baud default
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We deliver Australia-wide with these options (depends on the final destination - you can get a quote on the view cart page):
- $3+ for Stamped Mail (typically 10+ business days, not tracked, only available on selected small items)
- $7+ for Standard Post (typically 6+ business days, tracked)
- $11+ for Express Post (typically 2+ business days, tracked)
- Pickup - Free! Only available to customers who live in the Newcastle region (must order online and only pickup after we email to notify you the order is ready). Orders placed after 2PM may not be ready until the following business day.
Non-metro addresses in WA, NT, SA & TAS can take 2+ days in addition to the above information.
Some batteries (such as LiPo) can't be shipped by Air. During checkout, Express Post and International Methods will not be an option if you have that type of battery in your shopping cart.
International Orders - the following rates are for New Zealand and will vary for other countries:
- $12+ for Pack and Track (3+ days, tracked)
- $16+ for Express International (2-5 days, tracked)
If you order lots of gear, the postage amount will increase based on the weight of your order.
Our physical address (here's a PDF which includes other key business details):
Unit 18, 132 Garden Grove Parade
Adamstown
NSW, 2289
Australia
Take a look at our customer service page if you have other questions such as "do we do purchase orders" (yes!) or "are prices GST inclusive" (yes they are!). We're here to help - get in touch with us to talk shop.
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Videos
View AllGuides
Effective Ways To Detect People Using Common Sensors
Fingerprint Scanner with Raspberry Pi Single Board Computer - Unlock with Biometrics!
The Maker Revolution
Getting Hands-on with Sensors
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