IR Flame Sensor Module
IR Flame Sensor Module - Image 2
IR Flame Sensor Module - Image 3

IR Flame Sensor Module

₹45.00

Overview

The IR Flame Sensor Module shown in the image is a high-sensitivity electronic detection board designed to detect fire sources or light sources with wavelengths ranging from 760 nm to 1100 nm. At its core, the sensor features an infrared photodiode (the black receiver bulb) paired with an LM393 high-precision voltage comparator IC.

The module provides both Analog (AO) and Digital (DO) output signals. The analog output gives a real-time signal strength reading proportional to the light/fire intensity, while the digital output produces a binary HIGH/LOW signal triggered when the detected radiation exceeds a adjustable threshold set via the onboard potentiometer. It also features dual LED indicators for Power status (PWR-LED) and Digital Output activity (DO-LED).

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Description

Key Specifications

Specification Parameter Details / Value
Operating Voltage 3.3V to 5V DC
Comparator IC LM393 High-Precision Differential Comparator
Detection Wavelength 760 nm – 1100 nm (Infrared Spectrum)
Detection Angle 60 degrees approximately
Detection Range Up to ~100 cm (distance depends on flame size & sensitivity setting)
Output Type Dual Output: Digital (DO: 0 & 1) and Analog (AO: voltage signal)
Threshold Adjustment Onboard Potentiometer (Blue Trimpot)
Status Indicators PWR-LED (Power) & DO-LED (Digital Switch Output Status)
Pinout (4 Pins) VCC (3.3V-5V), GND (Ground), DO (Digital Out), AO (Analog Out)

 

Applications & Uses

  • Fire Detection & Alarm Systems: Used in smart building automation, industrial safety systems, and home fire alarms to trigger sirens or safety sprinklers upon detecting flame spectrum light.
  • Fire-Fighting Robots: Serves as the primary vision sensor for autonomous fire-extinguishing robots to locate heat and fire sources for targeted suppression.
  • Industrial Gas & Burner Monitoring: Employed in gas stoves, boilers, and industrial furnaces to monitor pilot flames and ensure continuous ignition.
  • Safety Interlocks & Boiler Controls: Automatically shuts off fuel valves or electrical lines if a flame unexpectedly extinguishes or an unwanted fire is detected.
  • Educational & DIY Electronics Projects: Widely integrated with microcontrollers like Arduino, Raspberry Pi, ESP32, and STM32 for robotics and IoT security experiments.

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IR Flame Sensor Module

₹45.00