Momentary switch

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So i have a 12v led momentan powerswitch. Want to cennect it to the audiiocard.
The thing is i dont understand how this is supposed to be Wired to be able to work?
Have tried some ways now but does it need a hold circuit ?
The connectors are +/-/No/nc and Common. I have a jumper between No and + and im connecting incoming minus with the switch minus in the audio card. And I Connect the incoming plus with the powerswitch plus. And then inconnect the Common to the audiocard. It works as Long as i hold it down but aint it supposed to work with pulses? Like one push and its on and a second push turns it off?
Please help me with this trouble.
 

PRR

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Joined 2003
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Momentary is like a door-bell. It rings while you press it.

> one push and its on and a second push turns it off?

That is alternate-action. Light-switch, you don't need to hold to stay lit.

Two common sources for small alternate-action switches:
*) lamp switches, hardware store
*) "stomp switch" as found on guitarists' fuzz pedals
 
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