Laser Sensor Module (KY-008)

Overview of KY-008 Laser Module

The KY-008 Laser Sensor Module is a compact red laser emitter optimized for Arduino-compatible systems and hobby electronics. With a 650nm visible wavelength and low power requirements, the KY-008 provides a sharp, stable beam for detection, alignment, and targeting applications.

Key Features

• Visible red laser at 650nm for accurate beam projection
• Operates on standard 5V DC with current under 40mA
• Low output power (under 5mW) for common DIY and educational use
• Simple 3-pin interface: VCC, GND, Signal for quick wiring
• Compact dimensions (18.5mm x 15mm) for space-constrained projects
• Durable KY-008 laser diode with long operational life

Specifications

• Wavelength: 650nm (visible red)
• Voltage: 5V DC
• Current: < 40mA
• Output: Digital signal
• Output power: < 5mW
• Dimensions: 18.5mm x 15mm
• Interface: VCC, GND, Signal

Why Choose the KY-008 Laser Module

The KY-008 laser module offers reliability, ease of integration, and value for engineers, students, and makers. It is particularly well suited for laser-triggered alarms, alignment pointers, measurement tools, and robotics. Its low cost and simple interface make it a practical choice for rapid prototyping and classroom use.

How to Use the KY-008 with Arduino

Basic Wiring

• Connect VCC to the Arduino 5V pin
• Connect GND to the Arduino ground
• Connect Signal to a digital I/O pin to control the laser

Simple Arduino Sketch

Upload a basic sketch to switch the laser on and off. Use digitalWrite(pin, HIGH) to enable the laser and digitalWrite(pin, LOW) to disable it. Make sure the Arduino provides a stable 5V supply to preserve beam quality.

Common Integrations

• Combine with an LDR or photodiode to build laser tripwires and detection systems
• Use with line sensors or encoders for robotic guidance and alignment
• Integrate into interactive art or educational demos for visual effects

Applications

• Home security laser alarms
• Line-following robots and robotic guidance
• Motion detection systems and tripwires
• Optical pointers and aiming systems
• Educational electronics and lab experiments
• Prototyping smart sensing and measurement tools

Buying and Support

If you are looking to buy the KY-008 laser module in Islamabad, it is widely available with fast delivery and local technical support. This module is a cost-effective option for students, hobbyists, and professionals needing a dependable laser source for prototypes and projects.

Note: Images are for illustration purposes only.