IR Flame Sensor Module LM393 Fire Detection 3.3V 5V Digital Output Arduino

🔧 LM393 IR Flame Sensor Module | AuscomTech

This infrared flame detection module is designed to detect fire sources and flame emissions using an IR-sensitive photodiode and LM393 comparator.

It converts detected infrared light (760nm–1100nm range) into a clean digital signal, suitable for microcontroller input.

Commonly used in Arduino, ESP32, and embedded systems for fire alarms, safety monitoring, and automation projects.

⭐ Key Features

• Infrared Flame Detection – حساس to flame wavelengths from 760nm to 1100nm
• Adjustable Sensitivity – Onboard potentiometer allows precise threshold tuning
• Digital Output Signal – Clean HIGH/LOW output via LM393 comparator
• Wide Voltage Support – Operates from 3.3V to 5V systems
• Status LEDs – Power LED and trigger indicator for easy diagnostics
• Compact Design – Small PCB with mounting hole for easy installation

📊 Technical Specifications

• Comparator IC: LM393
• Operating Voltage: 3.3V – 5V DC
• Detection Wavelength: 760nm – 1100nm
• Detection Angle: ~60°
• Output Type: Digital (0 / 1)
• Detection Distance: Up to ~80cm (lighter flame)
• Output Current: ≥15mA drive capability
• Board Size: approx. 32mm × 14mm

🧩 Typical Applications

• Fire and flame alarm systems
• Arduino and ESP32 safety projects
• Robotics fire detection
• Industrial monitoring systems
• Smart home safety devices
• DIY automation projects

⚠️ Important Notes

• Sensor responds to flame IR spectrum but may react to strong light sources
• Maintain safe distance from high heat to avoid damage
• Best used in controlled lighting environments for accurate detection
• Digital output only – no analog signal available

📦 Package Includes

• 1 × LM393 IR Flame Sensor Module

🔗 Recommended Accessories (Not Included)

• Arduino UNO / Nano – for quick integration and testing
• Jumper wires – for connection to IO pins
• Breadboard – for prototyping circuits
• ESP32 development board – for IoT fire detection systems