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Learn — Flame Sensor Module

Flame Sensor Module Guide

Posted by Kelly M on

Flame Sensor Module Guide

The flame sensor module consists of an IR receiver, resistor, capacitor, potentiometer, and a comparator LM393 in an integrated circuit. It can detect infrared light with a wavelength ranging from 700nm to 1000nm. The flame probe converts the light detected into the form of infrared light into current changes.    The flame sensor module operates between 3.3V to 5V DC with a digital output that indicate the presence of a high infrared signal. When it is triggered, it will output a HIGH.    How it works The flame sensor is very sensitive to IR wavelength. The analog output (A0) outputs a...

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