What is A PIR motion sensor? What are disadvantages of the PIR sensor? | Robocraze
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What is A PIR motion sensor?
What are disadvantages of the PIR sensor?
A PIR motion sensor is a type of sensor that is used to detect movement. It 
is often used in security systems and can be used to detect the presence of 
people or animals. PIR sensors are not perfect, however, and there are 
some disadvantages to using them. One disadvantage is that they can be 
triggered by other things besides movement, such as changes in 
temperature. This can cause false alarms. PIR sensors can also be fooled by 
objects that are in motion, such as leaves blowing in the wind. Another 
disadvantage is that PIR sensors only work within a certain range, so they 
cannot be used to detect movement that is too far away. Overall, PIR 
sensors are a useful tool but they have some limitations.

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