Fire Sensor 3 Pin Flame Detector Module

The Fire Sensor 3-Pin Flame Detector Module is an infrared flame detection sensor designed to detect fire and other infrared light sources within the 760nm–1100nm wavelength range. It features a 3-pin interface, adjustable sensitivity, and a digital output, making it ideal for fire alarm systems, robotics, safety devices, and Arduino-based projects

Features

• Infrared flame detection
• Operating voltage: 3.3V–5V DC
• 3-pin interface (VCC, GND, DO)
• Adjustable sensitivity via onboard potentiometer
• Digital TTL output
• Fast response time
• Compact PCB design

Specifications

• Sensor Type: Infrared Flame Sensor
• Operating Voltage: 3.3V–5V DC
• Output Type: Digital (DO)
• Detection Wavelength: 760nm–1100nm
• Detection Distance: Up to 80cm (depends on flame size)
• Detection Angle: Approximately 60°

Pin Configuration

1. VCC – 3.3V to 5V Power Supply
2. GND – Ground
3. DO – Digital Output (typically LOW when a flame is detected)