Gikfun Flame Sensor Module Wavelength 760nm-1100nm LM393 for Arduino EK1259 Go to amazon.com Related posts Expert choice for lm393 module arduino FeatureOn-board LM393 voltage comparator chip and infrared sensing probeSupport 5V/3.3V voltage input DescriptionFlame Sensor Module Wavelength 760nm-1100nm LM393 IR Flame Temp Sensor Board