I have been having troubles finding appropriate buttons for the shifter for our car. I'm looking for Momentary on buttons with a positive feel and about 3/4 inch in diameter.
Any suggestions on where to find them?
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I have been having troubles finding appropriate buttons for the shifter for our car. I'm looking for Momentary on buttons with a positive feel and about 3/4 inch in diameter.
Any suggestions on where to find them?
You'll have to be more specific about "momentary on buttons"...Quote:
Originally posted by Pico:
I have been having troubles finding appropriate buttons for the shifter for our car. I'm looking for Momentary on buttons with a positive feel and about 3/4 inch in diameter.
Any suggestions on where to find them?
What is your setup consisting of? Are you just taking the signal right from the button without cleaning it up first? Where is the signal going after it 'leaves' the button....
More info = more answers http://fsae.com/groupee_common/emoticons/icon_smile.gif
sorry about the lack of info...
The setup is controlled by a microcontroller. Basically the button has a voltage that, when pressed, is grounded (pull down setup). The microcontroller detects this and does the shifting.
So the button doesn't see a large amperage.
how is the button activated.... i mean radioshack sells almost exactly what you describe....
push button
We use a power window button from some ford vehicle and it is quite nice since it has an up and down rocker action which is perfect for shifting. It is a momentary contact switch with a nice click to it.
Sounds pretty resonable.Quote:
Originally posted by Pico:
sorry about the lack of info...
The setup is controlled by a microcontroller. Basically the button has a voltage that, when pressed, is grounded (pull down setup). The microcontroller detects this and does the shifting.
So the button doesn't see a large amperage.
check www.digikey.com, whttp://www.goldmine-elec.com/default.htm, ebay, etc... you will find something.
Or like the other guys said, junkyard http://fsae.com/groupee_common/emoticons/icon_smile.gif
words to search for, push button, press button, tactile switch ...etc..
Also, don't foget to debounce your signal, but I'm sure you've already done that.
try push button switches from
ITW switches. they are about the
nicest push button around IMHO for this
application.
http://www.itwswitches.com/newsite/p...pushbutton.htm
We've used the series 59 for push button shifters, and starter buttons.
IP67 Waterproof, tactile feel, really nice.
rated for about 1 million operations.
those look rediculousy over priced ... can you tell me how much you paid for them? How exactly do the hall effect sensors work in the button? That's kind of confusing me...
Quote:
Originally posted by Chris Boyden:
try push button switches from
ITW switches. they are about the
nicest push button around IMHO for this
application.
http://www.itwswitches.com/newsite/p...pushbutton.htm
We've used the series 59 for push button shifters, and starter buttons.
IP67 Waterproof, tactile feel, really nice.
rated for about 1 million operations.
Hey man, you get what you pay for. Did you
even bother to price them out??
But, if you are worried about cost
try the sample button. And if you're that
worried about cost, why are you
doing push button shifting?
What's all this talk about hall effect sensors?
I think you're looking at the wrong datasheet.
series 59 is what we used.
you were looking at 49.
On the plus side, hall effect switches probably don't need to be debounced, but code is cheap, and parts are not.