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How to connect the push button switch
May 10, 2017

The push button switch From TOPSHALL including metal push button switches and plastic push button switches which can be with led or without led lighting and latching or momentary function.But the swithes pole involved one set or double set which engraved with "C"pin(common pole),"NO"pin(normally open pole),"NC"pin(normally closed pole),Therefore,The"C" pin connect to power supply,and then the"NO" pin is power output from switch to associate with load(electronics) and the load's another side of wire is to connect negative power.Meanwhile that the "NC" pin's connect method is as well as "NO" pin connection.

The LED has both for "+" pole and "-" pole,"+" pole is from positive power supply and "-" pole is from negative power supply.

For more info,pls pay attention to the sketch below: 

push button switch

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