Flame Sensor For Arduino

Other Hardware Sensors
1

Hello all member of this forum,

I would like to ask, is there a flame sensor where price below US $20 ?
And the sensor is suitable to arduino board.
If there, where I can found it?

thanks

2

Can you more exactly describe what you expect from the flame sensor? what is the goal of the project?

  • is it a temperature sensor?
  • is it to detect open fire?
  • is it to detect smoke?
  • is it to detect heat?