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This flame sensor module can detect flame sources, or the infrared light emitted by fire within a specific wavelength range, which is a more targeted approach than a general heat or smoke sensor since it responds specifically to the characteristic infrared signature flames emit. That makes it a useful part of fire detection and automation projects where distinguishing an actual flame from general ambient heat matters.
A high-sensitivity infrared receiver forms the core of the sensor, and the module gives a digital output, so a microcontroller can watch for a simple high or low signal change rather than interpreting a raw analog reading.
Its interface is a simple 3-pin design (VCC, GND and OUT), keeping wiring to a microcontroller straightforward, and operating voltage spans 3.3V to 5VDC, matching common logic families directly. Detection range covers a cone of 60 degrees, giving a reasonably wide field of view for catching a nearby flame that isn't perfectly aligned with the sensor's centerline.
The module is described as compact and suitable for indoor fire detection applications, and it's compatible with Arduino, Raspberry Pi, ESP32 and other microcontrollers, making it straightforward to add to an existing automation or safety project without special interfacing hardware.
Anyone building a basic fire or flame detection alarm, a robotics project that needs to locate or avoid an open flame, or an automation system that should respond specifically to fire rather than general heat will find this sensor's targeted infrared detection useful.
Flame sources, or infrared light emitted by fire within a specific wavelength range.
Through a simple 3-pin interface: VCC, GND and OUT.
60 degrees.
3.3V to 5VDC.
The listing describes it as suitable for indoor fire detection applications.
| Brand | Generic |
|---|---|
| Sensor Type | Infrared Flame Detection |
| Selling unit | PCS |
