RE: [TCML] Tesla Coil w/Cell Phone Trigger - Suggestions Needed!

[Yurtle Turtle <yurtle_t@xxxxxxxxx>]

Many phones allow you to setup a unique ring-tone for each unique incoming call, based on caller ID. So if I called my Tesla coil cell phone from my phone, I can program a unique ring-tone that no one else can activate. Then the trick is to trigger the coil only if I'm the caller.

Adam

--- On Sun, 9/28/08, S&JY <youngs@xxxxxxxxx> wrote:

> From: S&JY <youngs@xxxxxxxxx>
> Subject: RE: [TCML] Tesla Coil w/Cell Phone Trigger - Suggestions Needed!
> To: "'Tesla Coil Mailing List'" <tesla@xxxxxxxxxx>
> Date: Sunday, September 28, 2008, 3:44 PM
> Gabriel,
> 
> Without knowing more details, I would recommend you
> don't use a cell phone
> to trigger anything potentially dangerous.  There is no
> guarantee that the
> phone won't ring due to a wrong number, etc., when you
> are not expecting it.
> This could lead to bad results and injury.
> 
> Best to have a very positive fail-safe means of turning on
> and off Tesla
> Coils and other high voltage devices.
> 
> --Steve Y.
> 
> -----Original Message-----
> From: tesla-bounces@xxxxxxxxxx
> [mailto:tesla-bounces@xxxxxxxxxx] On Behalf
> Of jimlux
> Sent: Sunday, September 28, 2008 2:08 PM
> To: Tesla Coil Mailing List
> Subject: Re: [TCML] Tesla Coil w/Cell Phone Trigger -
> Suggestions Needed!
> 
> Gabriel Ritter wrote:
> > Hello,
> > 
> > We are trying to use a cell phone as a Tesla Coil
> trigger (when the phone
> > rings, the coil discharges) and were wondering if
> anyone had suggestions
> on
> > how to integrate the cell phone with the following
> solid state coil:
> > 
> > http://www.geocities.com/tom_headoflead/drsstc.html
> > 
> There's a fair amount of literature out there on using
> a cell phone to 
> trigger, e.g., a improvised explosive device, that google
> will find.
> 
> One way that's obvious is to detect the ringing signal.
>  For instance, 
> some phones light up when an incoming call is detected.
> Others send the 
> ring sound through the headphones, where you could use a
> simple audio 
> threshold detector sort of circuit.
> 
> If you want to get fancier, there are schemes where the
> phone 
> autoanswers (some phones can do this automatically, as a
> sort of
> quasi 
> PTT functionality). Then you feed the receive audio to a
> detector (by 
> hooking up to the headset jack)
> 
> There was an article recently about someone using
> cellphones to remote 
> control their house.  I don't recall where I saw it.
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