There aren't many places to hide a button a bike, though the suggestion early in this thread to put it in a tail light would give you an option: if the light is on, the system is disarmed, and when the light is turned off, the anti-theft system is automatically armed.
> -----Original Message----- > From: geda-user-boun...@moria.seul.org > [mailto:geda-user-boun...@moria.seul.org] On Behalf Of > ge...@igor2.repo.hu > Sent: Thursday, May 13, 2010 12:31 PM > To: geda-user@moria.seul.org > Subject: Re: gEDA-user: OT: Bike Alarms > > On Thu, May 13, 2010 at 10:41:19AM -0500, John Griessen wrote: > > David SMITH wrote: > >> John Griessen wrote: > >>> David C. Kerber wrote: > >>>> If you've got a carbon frame, you could drop it into the > seat tube, > >>>> where it would never be seen, and therefore never removed by a > >>>> thief... > >>> This really does sound like a product since bikes can > cost these days. > >> > >> Not to put too much of a spanner in the works, but... > >> > >> Where does the power come from? > > What about this: you probably have a magnet on your wheel > already to measure your speed so you can detect if the bike > is in move. Add a hidden button or any other means that you > can tell the device you locked or unlocked your bike. If it's > locked and moving, turn on GPS and send SMS every 5 minutes > until the battery goes out. > > Won't work if you lock your bike in a long tunnel and it gets > stolen and the thief doesn't leave the tunnel with your bike > before the battery dies, but... > > Regards, > > Tibor Palinkas > > > _______________________________________________ > geda-user mailing list > geda-user@moria.seul.org > http://www.seul.org/cgi-bin/mailman/listinfo/geda-user > _______________________________________________ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user