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The Octopus Flame Sensor is a simple infrared-based module that detects the presence of a flame or fire source. Part of the Octopus Electronic Bricks system,...

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The Octopus Flame Sensor is a simple infrared-based module that detects the presence of a flame or fire source. Part of the Octopus Electronic Bricks system, it connects directly to Arduino and compatible boards with a standard 3-pin interface — just plug and play, no breadboard required.

The module outputs a digital high/low signal when a flame is detected, with an on-board potentiometer to adjust the detection sensitivity. Fast response and high sensitivity make it suitable for fire detection alarms, firefighting robots, and safety monitoring projects.

Key Features

  • Infrared Flame Detection – Detects fire and flame sources via IR probe
  • Adjustable Sensitivity – On-board potentiometer for tuning detection threshold
  • Digital Output – High/low signal for easy microcontroller integration
  • Plug-and-Play – 3-pin Octopus brick connector (Signal, VCC, GND)
  • Fast Response – High sensitivity with stable, long-life operation

Specifications

  • Operating Voltage – 5V
  • Output Type – Digital switching (0/1)
  • Interface – 3-pin analogue (Signal, VCC, GND)
  • Sensor Type – Infrared receiver (IR probe)
  • Sensitivity – Adjustable via on-board potentiometer
Warning: The IR sensor operates from −25°C to +85°C. Maintain a safe distance between the probe and the flame source to avoid damage.

Ideal For

  • Fire detection and alarm systems
  • Firefighting robots
  • Safety monitoring projects
  • Arduino and maker projects

Package Contents

  • 1× Octopus Flame Sensor Module

Jargon buster

Plain-language definitions for the technical terms used above.

microcontroller
A microcontroller is a small computer on a chip that runs your program and controls connected inputs and outputs. For this product, it is the part that reads buttons and sensors, drives the display and speaker, and communicates over Bluetooth.
potentiometer
A variable resistor usually turned with a knob or shaft to create an adjustable electrical signal. It is often used for inputs such as volume, brightness or position, so it helps beginners learn how a microcontroller reads changing values.
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