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Door Switch - Momentary
This is the type of momentary switch that you might find on your car doors to control the cab lights. It's a momentary on switch and can be panel mounted in a 19mm hole. The switch is normally open, and is on when fully pressed in.
- [Dimensional Drawing](http://cdn.sparkfun.com/datasheets/Components/General/PBS-35B D.jpg)
Door Switch - Momentary Product Help and Resources
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How much force does it take to press it in? I'm thinking it looks pretty good for use under a pedal for my dogs to push as part of a game I'm making for them. Also, the dimensional drawing doesn't indicate how high the button is.
go on to youtube under sparkfun's channel. they have a video of it. they uploaded it in the last couple of months
You should be able to figure it out from the other dimensions.
This is perfect to use with a traditional door with contemporary design. Is this for home door use, anyway? If so check this one, if it also work for that type of door.
Most cars (that use a door pin switch similar to this) DO use a NO switch that goes to ground when the door opens. Many newer Ford/Mazda/Volvo products use NC switches (built into the door latch mechanism) that go to open when the door is open....and the dome lights are controlled through a Body Control Module (BCM). Depending on size, these might be a handy "hack" for "fixing" bad latch contacts on these types of cars.
Just so you know all the car door switches I have seen are normally closed so when you open the door it completes the 12 v circuit and the lights go on.
Though I can imagine that some cars may use a computer control dome light that may use a NO switch.
Yes, a normally closed switch would be much more useful, if you ask me. I'm thinking of ways to illuminate my kitchen cabinets and if I were to use this switch, I would have to use a transistor or other active component to invert the action of the switch, which would needlessly use power when the light is supposed to be off.
You need something like this
http://www.youtube.com/watch?v=Y299PL3qvjk