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.
433MHz RF Transmitter & Receiver Kit | Wireless Module for Arduino
Cut the cord. Go wireless. This kit includes one Transmitter and one Receiver. It is the simplest and most affordable way to send data wirelessly between two Arduinos up to 100 meters (with antenna).
-
Frequency: 433MHz
-
Includes: 1x Transmitter (Square), 1x Receiver (Rectangle)
-
Modulation: ASK (Amplitude Shift Keying)
-
Best For: Remote control cars, weather stations, and wireless switches.
BMP180 Digital Barometric Pressure & Altitude Sensor Module
Predict the weather or measure your altitude. The BMP180 is a high-precision sensor that measures air pressure and temperature. Because pressure changes with height, it also works as an incredibly accurate altimeter (±1 meter accuracy).
-
Measures: Pressure (Pa) & Temperature (C)
-
Interface: I2C (SDA/SCL)
-
Voltage: 3.3V to 5V Compatible
-
Best For: Weather stations, Drones, and GPS altitude correction.
NTC Thermistor Sensor Module
Raindrop Sensor Module | Rain & Water Detector for Arduino
Build your own weather station. This sensor detects rain, snow, or water droplets. It consists of a large nickel-plated sensing board and a control module. When water hits the board, it sends a signal to your Arduino to close windows or sound an alarm.
-
Sensor Type: Resistive (Nickel-Plated Board).
-
Outputs: Digital (High/Low) and Analog (Rain Intensity).
-
Durability: Treated against oxidation for longer life.
-
Best For: Automatic Wipers, Smart Clotheslines, and Weather Stations.
Soil Moisture Sensor Module (YL-69) | Automatic Plant Watering System
Never forget to water your plants again. The Soil Moisture sensor measures the water content in soil. When the soil gets dry, the sensor output changes, allowing your Arduino to turn on a water pump automatically.
-
Outputs: Analog (Exact moisture level) & Digital (Threshold switch)
-
Adjustable: Set your "Dry" trigger point with the blue potentiometer.
-
Ideal For: Smart irrigation systems, greenhouse monitoring, and science projects.
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.
SW-420 Vibration Sensor Module | Adjustable Impact & Shake Switch
Detect motion, impacts, and theft. The SW-420 is a "Normally Closed" vibration sensor that triggers whenever it feels a shake. It features an onboard potentiometer to adjust sensitivity, making it perfect for sensitive projects like door alarms or earthquake detectors.
- Sensor Type: SW-420 (Normally Closed).
- Output: Digital (High/Low).
- Sensitivity: Adjustable via Blue Potentiometer.
- Best For: Anti-Theft Alarms, Smart Cars, and Impact Detection.

Reviews
There are no reviews yet.