What is the car door knock switch?
Hits£º606 Date£º2018/6/28
It refers to a switch that operates when the vehicle door is opened and closed.
It is usually installed at the door joint. When the door is closed, it is pressed by the door frame and released when the door is opened.
Its role is to detect the door's on/off status and provide status signals for on-board control circuits.
Can be used to control such as reading lights, dashboard door status display, door open warning lights, etc.
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