AS608 Optical Fingerprint Sensor Module
₵260.00
AS608 optical fingerprint sensor module for biometric authentication, Arduino projects, ESP32 access control, smart locks, attendance systems and IoT security projects.
Out of stock
This product is currently sold out.
No worries! Enter your email, and we'll let you know as soon as it's back in stock.
The AS608 Optical Fingerprint Sensor Module is a biometric fingerprint reader used for fingerprint enrollment, identification and authentication in electronics projects.
It uses optical fingerprint sensing technology to capture, process and compare fingerprint data. The module communicates through TTL serial/UART, making it suitable for use with Arduino, ESP32, Raspberry Pi, STM32 and other microcontroller-based systems.
This fingerprint module is useful for security projects, access control systems, smart locks, attendance systems, locker systems, safe box projects, IoT authentication and final-year electronics projects across Ghana. DIYGH supplies Arduino, IoT, sensor and security project modules from Kumasi to customers across Ghana.
Product Details:
Model: AS608
Sensor Type: Optical fingerprint sensor
Interface: TTL Serial / UART
Operating Voltage: 3.3V–5V DC
Baud Rate: 9600–57600, default 57600
Rated Current: About 120mA
Fingerprint Capacity: Up to 162 templates, depending on module version
Fingerprint Imaging Time: Less than 1 second
Template File Size: 512 bytes
Safety Level: 1–5
Sensing Window: About 16mm × 18mm
Connection: VCC, TXD, RXD, GND and NC
Package Includes: AS608 fingerprint sensor module with connection cable
Application:
Suitable for Arduino fingerprint projects, ESP32 access control systems, biometric attendance systems, smart door locks, electronic locker systems, safe box security, IoT authentication, security prototypes, STEM practicals and final-year electronics projects.
Customer Note:
This module uses TTL serial/UART communication. It is not a normal plug-and-play USB fingerprint scanner for logging into a computer. To use it with a computer, you need a USB-to-serial adapter or a microcontroller such as Arduino or ESP32.
Related products
3×4 Matrix Membrane Keypad Module | 12 Button Numeric Pad
A simple and reliable input device for Arduino and DIY electronics projects. This flexible 12-key keypad provides only the essential keys (0–9, *, #)—no letters—making it ideal for numeric-only applications. It comes with a peel-and-stick adhesive backing for quick mounting on enclosures, panels, or doors.
-
Keys: 12 (Telephone-style layout)
-
Interface: 7 pins (2.54 mm standard pitch)
-
Mounting: Self-adhesive sticker backing
- Best for: Electronic door locks, vending machines, access control systems, phone dialers, and keypad-based Arduino projects.
4×4 Matrix Membrane Keypad | 16 Button Keypad Module
The standard keypad for security projects. This ultra-thin 16-button keypad allows users to enter passwords, navigate menus, or control robots. It features a peel-and-stick adhesive backing, making it easy to mount on any plastic project box or door.
-
Keys: 16 (0-9, A-D, *, #)
-
Mounting: Self-Adhesive Backing (Peel & Stick)
-
Interface: 8 Pins (Standard 2.54mm header)
-
Best For: Electronic Door Locks, Calculators, and Attendance Systems.
HC-SR501 PIR Motion Sensor Module | Infrared Detector for Arduino
Build your own burglar alarm or automatic light. The HC-SR501 detects human and animal movement by sensing body heat. It is the standard motion sensor for Arduino security projects.
-
Range: Adjustable (3 to 7 meters)
-
Output: 3.3V Logic (High when motion detected)
-
Features: Adjustable Time Delay & Sensitivity
-
Ideal For: Automated lighting, security systems, and robotics.
IR Infrared Obstacle Avoidance Sensor Module | FC-51 for Arduino
Teach your robot to see. This sensor emits infrared light and detects reflections to see if an object is in front of it. It is the essential component for building "Obstacle Avoiding Robots" and simple security alarms.
-
Detection Range: 2cm - 30cm (Adjustable).
-
Output: Digital Signal (LOW when obstacle detected).
-
Compatibility: Works directly with Arduino, ESP32, and Raspberry Pi.
-
Best For: Robot Cars, Smart Trash Cans, and Proximity Alarms.
IRF520 MOSFET Driver Module (0-24V) | PWM Motor & LED Controller
The easiest way to drive 12V/24V loads. This breakout board allows your Arduino to control high-voltage devices like LED strips, DC motors, and solenoid valves using the IRF520 MOSFET. It features screw terminals for easy wiring—no soldering required!
-
Max Load: 24V DC / < 5A.
-
Control Voltage: 3.3V or 5V (PWM Compatible).
-
Output: Pulse Width Modulation (Speed/Dimming control).
-
Best For: LED Strips, Small DC Fans, and Solenoids.
MQ-3 Alcohol Sensor Module | Breathalyzer & Ethanol Detector
Build your own Breathalyzer. The MQ-3 is specifically designed to detect alcohol (Ethanol) vapors. It has high sensitivity and fast response time, making it the perfect sensor for "Smart Car" safety systems that prevent drunk driving.
-
Detects: Alcohol, Ethanol, Benzine.
-
Sensitivity: Adjustable via Blue Potentiometer.
-
Warm-up: Heater requires ~20 seconds.
-
Best For: Breathalyzers, Drunk Driving Alarms, and Industrial Monitoring.
RC522 RFID Reader/Writer Module Kit (13.56MHz) + Key Fob & Card
Sound Sensor Module (Microphone) | Clap Switch & Alarm Detector
Turn on lights with a clap! This microphone module detects sound waves and converts them into a digital signal for your Arduino. It is the core component for "Clap Switch" projects and noise-activated alarms.
-
Sensitivity: Adjustable via Blue Potentiometer.
-
Outputs: Digital (Gate) and Analog (Waveform).
-
Microphone: High-Sensitivity Condenser Mic.
-
Best For: Clap Switches, Baby Monitors, and Noise Alarms.

Reviews
There are no reviews yet.