Re: [DML] MP3 player to play door opening sounds from BTTF
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Re: [DML] MP3 player to play door opening sounds from BTTF



The way I'd do it is add another switch that is open when the door is 
closed (Normally Closed).  That should cause the MP3 player to fire 
once.  

If holding the switch closed while the door is open causes the MP3 
player to continue to play the sound, a method of generating a 
momentary closed will be needed.  My gut tells me that holding closed 
will not be a problem and can be determined by holding the play 
button down on the MP3 player to test before wiring.  It may be 
possible that different MP3 players may respond differently.

If using the existing wiring/switch, an intermediate relay may be 
required to generate the contact closure across the PLAY switch.  The 
same issue with holding the switch closed apply here.

Nick

--- In dmcnews@xxxxxxxxxxxxxxx, R Holden <royceholden@...> wrote:
>
> Would you be able to take the two wires from the
> doorbell and sync them with the front door open
> sensors located under and to the left of the steering
> wheel somehow?
> 
> Royce
> #3066
> 
> --- nk1165 <nkemp@...> wrote:
> 
> > A while back, someone wanted to know how to play the
> > BTTF door opening 
> > sound when opening their doors.  Popular Science has
> > a method that can 
> > be modified to work with a car.  Their's is for a
> > doorbell but with a 
> > few slight mods it would work on a car.  Check out 
> > www.popsci.com/dingtones
>




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