Flame sensor is a electronic part measuring intensity of visible light and infrared ray.
connecting wire of four lines:
black line: GND
red line: power supply (+5V)
yellow line: signal line, for infrared ray measuring.
black line: GND
red line: power supply (+5V)
yellow line: signal line, for infrared ray measuring.
brown line: signal line, for visible light measuring.
ApplicationFlame sensor is mainly used to measure the intensity of ambient light.
For example: measure the flame value in firefighting match;
Locate the ball in a soccer match; etc.