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Flame Spectrum Sensor LM393 Voltage Comparator 3.3V 5.3V with 4 PIN Jumper Wire

Original price 63 kr - Original price 63 kr
Original price
63 kr
63 kr - 63 kr
Current price 63 kr
in stock, ready to be shipped
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Getting Started with Flame Sensor

This is a 3.3V ~ 5.3V compatible Flame Sensor with an LM393 voltage comparator. You can adjust the sensitivity of this flame sensor. It has a signal output indicator to let you know if the flame spectrum is detected.

Pin Definition (When Connected to an MCU)

  • VCC: 3.3 V ~ 5.3 V
  • GND: Ground (Power Supply)
  • AOUT: Analog Output (MCU.IO)
  • DOUT: Digital Output (MCU.IO)
Reference Guide to Connect with Raspberry Pi Pico MCU
Reference Guide to Connect with STM32

Features of Flame Sensor

  • Detects flame spectrum
  • Sensitivity is adjustable
  • Has wide range LM393 voltage comparator
  • Output signal indicator
  • Spectrum detection ranges from 760nm to 1100nm
  • Detection range (angle) is up to 60o
  • Operating Voltage: 3.3V ~ 5.3V
  • From -25oC to 85oC Operating Temperature
  • Hole Size: 2.0mm Mounting Holes
  • Weighs only 5 grams
  • Small Size: 2.73 x 1.54 (cm) | 27.3 x 15.4 (mm)

Applications of Flame Sensor

  • Fire Alarm
  • Fire Detection
  • Firefighting Robot


This flame sensor does not have any fire protection. It only detects flame. Contact with fire will damage the sensor.

Items Included

  • 1x Flame Sensor
  • 1x Jumper Wire 4-PIN (Custom Connector)

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