A sensor module is basically an electronic circuit board that has been pre-programmed with the appropriate software to perform a specific function. In order for it to work properly, it needs to be connected with the appropriate sensors.

The sensor module is designed to be used in a variety of applications. It is a device that is used to measure and record physical quantities such as temperature, pressure, light intensity, sound intensity and humidity.



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There exist two types of sensors which detect motion with the help of Infrared, one is Active Infrared sensor (AIR sensor) and another one is Passive Infrared sensor (PIR sensor).

Infrared sensors (IR Sensors) are the sensors that work on Infrared sensing technology to detect the motion of objects.

PIR sensors utilise the detection of infrared that is radiated from all objects that emit heat. This type of emission is not visible to the human eye, but sensors that operate using infrared wavelengths can detect such activity. [Read More]