Flame Sensor


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Flame Sensor


  • Sensitive to flame spectrum
  • Features wide range voltage comparator LM393
  • Adjustable sensitivity
  • Signal output indicator


  • Spectrum range: 760nm ~ 1100nm
  • Detection angle: 0 - 60 degree
  • Power: 3.3V ~ 5.3V
  • Operating temperature: -25℃ ~ 85℃
  • Dimension: 27.3mm * 15.4mm
  • Mounting holes size: 2.0mm


  • Fire detection
  • Fire fighting robot
  • Fire alarm

How to Use

In the case of working with a MCU:

  • VCC ↔ 3.3V ~ 5.3V
  • GND ↔ power supply ground
  • AOUT ↔ MCU.IO (analog output)
  • DOUT ↔ MCU.IO (digital output)

Note: the Flame Sensor is used for detecting fire without any fire-protection for itself, please keep distance from the fire to avoid damage.



Development resources: demo codes, schematic, datasheets, etc.
Wiki: www.waveshare.com/wiki/Flame_Sensor


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Flame Sensor

Flame Sensor

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