This sensor module is primarily used to detect an open flame. It does this by detecting light that is in the IR (infrared) spectrum which is emitted by a flame. That spectrum is typically in the range of 700-1100nm.
This module is similar to a regular IR detector, but with a broader detection range. It can be used as a general IR detector for other applications where a broad detection range is desired.
Outputs
The module has both an analog output and a digital output with sensitivity adjustment on the module.
The Analog output on ‘A0‘ is normally a voltage of approximately 1/2 Vcc when no signal is detected. The actual voltage level will depend on the setting of the sensitivity pot. If a flame is detected, that output voltage will drop towards ground depending on the strength of the IR detected.
Packing List
1 x 4P Detection Flame Sensor
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