Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Sensor Type | Optical Fingerprint Sensor |
| Interface | UART (TTL Level) |
| Voltage Supply | 3.3V - 6.0V DC |
| Current Consumption | < 140mA (Peak) |
| Fingerprint Capacity | 150 Fingerprints |
| Matching Mode | 1:1 or 1:N |
| False Acceptance Rate | < 0.001% |
| False Rejection Rate | < 1.0% |
| Response Time | < 1 Second |
| Compatibility | Arduino, STM32, ESP32, Raspberry Pi |
Anonymous
Mar 21, 2026
Rating: 4/5
Good value but needs stable power
Great module overall. Just make sure you provide a clean 5V supply; otherwise, it might fail to initialize. Once powered correctly, the enrollment and matching processes are very reliable.
Anonymous
Mar 14, 2026
Rating: 5/5
Perfect for my smart lock project
This sensor works flawlessly with my Arduino Uno. The library support is excellent, and I had it up and running within an hour. The recognition speed is impressive for the price point.
Anonymous
Mar 08, 2026
Rating: 3/5
Works well after firmware update
Initially had some connection issues, but updating the firmware via the PC tool resolved them. Now it works great with my ESP32. Just be prepared to do a little troubleshooting out of the box.
Anonymous
Mar 06, 2026
Rating: 5/5
Reliable for attendance systems
We deployed ten of these for a small office attendance tracker. They have been running for three months without any false rejections. The UART communication is straightforward to parse.
Anonymous
Mar 05, 2026
Rating: 5/5
Excellent sensitivity
I was surprised by how well this picks up fingerprint details. The matching algorithm is fast enough for real-time door access applications. Highly recommended for DIY security projects.
Anonymous
Mar 02, 2026
Rating: 4/5
Easy to integrate
The wiring is simple, and the documentation provided by the community is helpful. It occasionally struggles with very dry fingers, but that seems common for optical sensors in this range.
Q: What is the maximum number of fingerprints I can store on this device?
A: The AS608 module has a storage capacity of 150 fingerprint templates. You can manage these IDs programmatically to add, delete, or search for specific fingerprints in your database.
Q: Is there a Python library available for Raspberry Pi integration?
A: Yes, there are several open-source Python libraries available on GitHub specifically designed for interfacing the AS608 with Raspberry Pi via the GPIO UART pins. We recommend checking the 'pyfingerprint' repository.
Q: Can this sensor work in complete darkness?
A: Absolutely. Since the AS608 is an optical sensor with its own light source for illumination, ambient lighting conditions do not affect its performance. It works equally well in total darkness or bright sunlight.
Q: Does this module work directly with 3.3V logic microcontrollers like ESP32?
A: Yes, the AS608 operates on 3.3V to 6.0V. However, ensure your microcontroller's TX/RX voltage levels match the sensor's requirements. Most 3.3V MCUs can connect directly, but level shifters are recommended for 5V Arduinos to protect the sensor RX pin.
Q: How do I reset the module if I forget the administrator password?
A: If you have lost access, you can perform a hardware reset by sending the specific 'Empty Database' command via UART, which clears all stored fingerprints and resets settings to default. Please refer to the datasheet for the exact command hex code.
Industrial Large Roll Oil-Absorbent Paper, Jumbo Lint-Free Wiping Rolls, Cleaning Paper, Wholesale Industrial Jumbo Rolls
$150.00
5-Inch Flocked Scouring Pad, Stainless Steel Rust Removal and Polishing Disc, Circular Brush Cloth with Backed Flocking for Polishing
$25.00
High-Temperature Fire-Resistant Cotton Incense Burner Mat, Flame-Retardant Pad for Stick Incense Boxes and Aromatherapy Burners, Heat Insulation for Burning Incense
$2.98
80 Pairs Zhuji Ankle Socks, Solid Color All-Season Trendy Student Casual Sports Boat Socks, Disposable Short Socks
$9.14
Smart Toilet Storage Rack for Bathroom, Multi-Tier Floor-Standing Organizer with Waterproof Tissue Holder
$273.00
Yihuashu Calligraphy Felt Mat - Thickened Grid Cloth for Student Practice, Brush Writing Pad
$1.98
![Xiankan Yunshu [Danran] Ceramic Brush Washer - Hand-Painted Elegant Lily Design under Glaze for Calligraphy Supplies](https://www.gosteppe.com/cache/small/product/269142/legacy-main-f8acbab3a83eee11ff108718.webp)
Xiankan Yunshu [Danran] Ceramic Brush Washer - Hand-Painted Elegant Lily Design under Glaze for Calligraphy Supplies
$32.90
Chunfei Grocery Store Commuter Hard Fork Low-Step Mountain Bike for Road, City, Suburb, School, and Outings
$2,224.64
Zhang Xiaofeng 'Fu Lu' Hotpot Inkstone Set – Covered Ceramic Ink Well for Calligraphy and Chinese Painting
$38.00
Invisalign Orthodontic Retainer Case, Portable Storage and Cleaning Box for Aligners and Dentures
$12.30
Natural 7A Lavender Loose Beads Single Round Bead DIY Amethyst Spacer Beads Jewelry Making Semi-Finished Accessories
$0.88
Paint Brush Cleaner - Mini Toilet Style Rinser for Watercolor and Gouache, Art Supply with Circulating Water System
$16.90
Traditional Wooden Rattle Drum with Sheepskin Head for Early Education, Visual Tracking and Hearing Training for Newborn Boys and Girls
$10.80
Car Tire Stone Removal Hook, Stainless Steel Multi-Function Tool for Cleaning Pebbles from Tires
$6.21
Factory Direct Mining Round Link Chains - High Cost-Performance Lifting Chains for Mining Applications
$153.00
Hangzhou Stomatological Hospital Dental Implant Initial Consultation Package – CT Scan, Missing Tooth Exam, and Custom Implant Plan Design
$1.00
Rockschool Acoustic Guitar Method Book (Chinese Edition) – Folk & Rock Guitar Grading Curriculum for Schools
$145.00
Commercial Food Warmer Cabinet, Small Heating Thermostat Display Counter for French Fries, Egg Tarts, Enlarged Chestnuts, and Fried Chicken
$334.00
Natural Green Peridot Crushed Stone, Small Raw Particles for Demagnetizing Energy, Aquarium Landscaping DIY Accessories
$8.50
3M 5-Inch Flocked Abrasive Disc with Hook-and-Loop Backing – Polishing Pad for Angle Grinders, Rust Removal & Cleaning
$3.20
Children DIY Art Rubbing Stick Round Painting Sponge Brush Graffiti Stamp Tool Kindergarten Rubbing Materials
$2.61
Over-Toilet Storage Rack for Bathroom - Organizer for Tissue, Toiletries, and Body Wash
$23.46
Magbase Cable Organizer with Dual Strong Magnets for Car, Office, and Home - Holds Power Cables, Ethernet, and Charging Cables
$24.90
Multi-Purpose Industrial Wiping Cloth 30*35 - Lint-Free Oil-Absorbent Paper for Aviation, Metro, and Rail Systems
$98.00
Commercial Electric Dicing Machine - Multi-Function Slicer for Carrots and Potatoes
$852.00
![[Single Pack] Handwoven Bird Nest Drop Net Cotton Rope Crochet Fruit Mesh Bag Storage Organizer](https://www.gosteppe.com/cache/small/product/269122/legacy-main-636b79526345e5fcd94b7ff1.webp)
[Single Pack] Handwoven Bird Nest Drop Net Cotton Rope Crochet Fruit Mesh Bag Storage Organizer
$10.36
Car Tire Lug Nuts - External Hex Cone Seat Wheel Bolts for Custom Rims
$80.00
Infant Sheepskin Rattle Baby Toy for Courage Building, Solid Wood Unpainted Chewable Glue-Free Version for Audio-Visual Grasping Early Education
$18.25
New Transparent Heat-Preserving Display Case for Roast Duck - Commercial Crispy Pork Belly Warmer with Eco-Friendly Design
$636.00
Electric Watercolor Spray Pen Children Hand-painted Color Pa
$46.55
![[Youxin Electronics] GP2Y0E03 Infrared Distance Sensor Module 4-50cm Range](https://www.gosteppe.com/cache/medium/product/74667/legacy-main-4da8cadc5fc82afe91b124e3.webp)
![[Trial Pack] Xianlang Complete Cat Treat Sticks Meal Packs Main Course Cans Freeze-Dried Cat Food Sample Snacks Gift Set](https://www.gosteppe.com/cache/medium/product/208273/legacy-main-9ec245ebf781f65a434ba854.webp)
