Starter Guide

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Lesson 17 Flame sensor module
Introduction
In this lesson, let’s learn about the flame sensor.
What is flame sensor?
Module features:
1、 Can detect flame or light source with wavelength in the range of 760 nm
to 1100 nm. The larger the flame, the farther the test distance is.
2、 The detection angle is about 60 degrees; Particularly sensitive to the
flame spectrum.
3 、Sensitivity is adjustable (adjusted by the blue digital potentiometer in
the figure).
4、Comparator output, clear signal, good waveform, strong drive capability,
over 15mA.
5、With adjustable precision potentiometer to adjust sensitivity.
6、Working voltage 3.3V-5V.
7、Output form: DO digital switch output (0 and 1) and AO analog voltage
output.
8、With fixed bolt holes.
S
Digital output
A
Analog output
+
3.3V
-
GND