Re: TI-H: 89 security

To: <ti-hardware@lists.ticalc.org>
Subject: Re: TI-H: 89 security
From: "David Knaack" <dknaack@geocities.com>
Date: Mon, 21 Dec 1998 13:30:45 -0600
Delivered-To: ti-hardware-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: ti-hardware@lists.ticalc.org


From: S43R80@aol.com <S43R80@aol.com>
>Wouldn't it be great to have some sort of security device installed inside
>your calc so that if it was ever stolen( and you had some suspicions as to
who
>may have stolen it) you could press a button that would make your calc give
>off a loud ringing or beep or something that would definately tell you it
was
>yours...I guess i'm learning from experience...damn calc thieves...

You know, the exact same circuit (with an ignitor instead of a pizeo buzzer)
could be used to set off a bomb....

Try the Radio Shack Engineers Mini-Notebook subtitled 'Communications
Projects', cat number 276-5015A  pages 41 and up for simple RF transmitters.

DK

Follow-Ups:

Re: TI-H: 89 security

From: Grant Stockly <gussie@alaska.net>