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.
2 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
16×2 LCD Display Module (Yellow) – High-Contrast Text
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.
DHT11 Temperature and Humidity Sensor Module | Digital Weather Station
The #1 sensor for weather projects. The DHT11 is the most affordable way to measure ambient temperature and humidity. It provides calibrated digital signal output, making it perfect for automatic fan controllers and weather stations.
-
Measures: Temperature (0-50°C) & Humidity (20-90%)
-
Interface: Single Wire Digital (Easy Arduino Connection)
-
Includes: 3-Pin Breakout Board + Jumper Wires (Check your stock to confirm wires!)
-
Ideal For: Smart homes, greenhouses, and environment monitoring.
DS3231 RTC Real-Time Clock Module
The DS3231 is a highly accurate I2C real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO).
-
Chip: Maxim DS3231 (High Precision)
-
Memory: Built-in AT24C32 32K I2C EEPROM
-
Voltage: 3.3V – 5.5V DC
-
Interface: I2C (SCL, SDA)
-
Battery Backup: Holds time when power is off (Coin cell slot included)
-
Accuracy: Much higher than the standard DS1307
MQ-2 Smoke & Gas Sensor Module | LPG, Butane, Hydrogen Detector
- Detects: Smoke, LPG, Propane, Hydrogen, Methane.
- Sensitivity: High (Adjustable).
- Response Time: < 10s.
- Best For: Fire Alarms, Gas Leak Detectors, and Industrial Safety.
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.

Reviews
There are no reviews yet.