ElecFreaks
Octopus Flame Sensor
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
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.
- GND
- GND is the ground or reference connection (0 V) for a circuit. When connecting two devices together, their grounds must be joined so both agree on what counts as a low or high signal.
- microcontroller
- A microcontroller is a small computer on a single chip that runs a stored program and controls connected inputs and outputs such as buttons, sensors, displays and communication interfaces. In a device built around one, it is the part that executes the code and coordinates the device's behaviour.
- 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.
- VCC
- VCC is the positive power-supply connection on a chip or module. Connecting it to the correct supply voltage is needed for the part to power on and helps avoid damaging the electronics.
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Sensors & Input
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