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Can I use Ultrasonic sensor instead of PIR sensor for object detection?
Answers ( 2 )
Yes, you can use an ultrasonic sensor as an alternative to a PIR (Passive Infrared) sensor for object detection. Basically, ultrasonic sensor is used to detect distance. For example, you are detecting an object on a road. If there is no object it will not show any distance, but if the object is there it will show distance on serial monitor.
There are some conditions which need to be considered while using PIR and ultrasonic sensor
A. Detection Range
B. Object Type
C. Environmental factors
D. Application