Flame sensor module for arduino KY-026

KY-026 Flame Sensor Module for Arduino detects infrared light emitted by fire.

SKU: SLY3056 Category:

Product Description


  • KY-026 Flame Sensor Module is a sensor for flame wavelengths between 760 nm to 1100 nm infrared is most sensitive 60 degree detection sensor Two outputs mode: AO: analog output- real-time output voltage signal on the thermal resistance; DO: when the temperature reaches a certain threshold- the output high and low signal threshold adjustable via potentiometer.

KY-026 Flame Sensor Features:

  • Extremely sensitive to wavelength between 760-1100nm
  • Power supply indicator lamp
  • Comparator output indicator lamp
  • AO, real-time thermistor voltage signal output
  • DO, high / low electric level signal output
  • Analog quantity output
  • Threshold rollover electric level output
  • Threshold adjusted by potentiometer
  • Detection Angle Range: About 60 degrees
  • Power Supply: 3.3-5.5 V DC


  • Arduino GND –> Module G
  • Arduino +5V –> Module +
  • Arduino digital 4 –> Module D0
  • Arduino A3 –> Module A0


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