You can place this homemade gadget in the windows and doors of your home, office or garage. So you can have an buzzer warning system. Maybe you can use it for your pets? For example, you may receive an audible notification when your cat leaves or enters the house.
What is an IR sensor?
An infrared (IR) sensor is an electronic device that measures and detects infrared radiation in its surrounding environment.
Definition of Touchless:
Relating to or denoting technology that is operated by means of gestures rather than by touching a control or interface.
Definition of Proximity Sensor:
A proximity sensor is an electronic sensor that can detect the presence of objects within its vicinity without any actual physical contact.
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