Flame Sensor

WaveshareSKU: WAV-9521
Sale price £2.67
incl. VAT
excl. VAT
Only 11 units left

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Detect flames/fire with this flame sensor from Waveshare, detecting flame wavelength from 760nm to 1100nm.

Note: Please do not use this sensor for critical home/industrial/commercial safety applications. Intended for development and learning/hobby purposes only. The sensor is used for detecting fire without any fire-protection for itself - please keep a distance from the fire to avoid damage!

  • Sensitive to flame spectrum
  • Features wide-range voltage comparator LM393
  • Adjustable sensitivity
  • Signal output indicator
  • Sensor only - no cable


  • 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

How to Use

Product Wiki: https://www.waveshare.com/wiki/Flame_Sensor

In the case of working with an MCU:

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

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