The fire sensor detects the presence of the fire by detecting the IR Infrared Radiation waves present in the fire. The fire sensor also consists of the operational amplifier which conditions the measured signal so that microcontroller can easily read the signals and successfully process the signals.

The flame sensor in Proteus looks like in the following image. PIR Passive Infrared sensor is also commonly known as the motion sensor which measures the Infrared IR light radiating from the object in its field of view. So when the object comes in its field of view the readings of the sensor gets disturbed and thus detect the presence the object in front of it. The LDR sensor is the abbreviation of the Light Dependent Resistor and as the name implies the resistance of this sensor varies in relation to the intensity of light, greater the intensity of light lower will be resistance of the LDR sensor. Just like the flex sensor the light dependent resistor is also used in the voltage divider configuration, the resistance of the LDR sensor alters as the intensity of light projected on the sensor varies. The LDR sensor in the Proteus looks like in the following image. The simulation model of the LDR is installed in the Proteus by default you do not need to download any other file in order to use this sensor. #Ir tx rx module in proteus library download# #Ir tx rx module in proteus library download#.#Ir tx rx module in proteus library series#.#Ir tx rx module in proteus library code#.

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Ir obstacle sensor proteus library