Re: TI-H: REAL radio-link

To: ti-hardware@lists.ticalc.org
Subject: Re: TI-H: REAL radio-link
From: gussie@alaska.net (Grant Stockly)
Date: Mon, 23 Feb 1998 20:34:56 -0700
Reply-To: ti-hardware@lists.ticalc.org

The clock line is more of a handshake line.  If you didn't have it it
wouldn't work.

>Since everyone I have talked to says that the radio link is a hoax, I'm
>trying to design and build one myself.  Basically, I what I am going to
>attempt to do is encode the digital data, send it, and then decode it.
>Does anyone have a suggestion for the language I should encode it with?
>How about the clock signal, should that even be sent (for calc2calc)?  I
>think just sending a tone, and using a tone decoder would do the trick.
>You can buy specified frequency coils from digikey.  If I build it small
>enough, I can fit it in my calc.  That way nobody can catch me cheating on
>a test (not that I would cheat on a test, but people who I sell it to
>could use it for that).  Any comments or suggestions are greatly
>appreciated, I'm still waiting on parts for my other projects.
>
>BTW, does anyone know where I can get I2C parts?  Can I use a
>shift-register to convert parallel data from a A/D to serial? I know a lot
>about electronics, but I'm a little fuzzy on all of the different IC
>chips.
>
>
>
>-Robert Brack
>
>reb@netride.com
>
>
><!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 HTML//EN">
><HTML>
><HEAD>
>
><META content=text/html;charset=iso-8859-1 http-equiv=Content-Type>
><META content='"MSHTML 4.71.1712.3"' name=GENERATOR>
></HEAD>
><BODY bgColor=#ffffff>
><DIV><FONT color=#000000 size=2>Since everyone I have talked to says that the
>radio link is a hoax, I'm trying to design and build one myself.&nbsp;
>Basically, I what I am going to attempt to do is encode the digital data, send
>it, and then decode it.&nbsp; Does anyone have a suggestion for the language I
>should encode it with?&nbsp; How about the clock signal, should that even be
>sent (for calc2calc)?&nbsp; I think just sending a tone, and using a tone
>decoder would do the trick.&nbsp; You can buy specified frequency coils from
>digikey.&nbsp; If I build it small enough, I can fit it in my calc.&nbsp; That
>way nobody can catch me cheating on a test (not that I would cheat on a test,
>but people who I sell it to could use it for that).&nbsp; Any comments or
>suggestions are greatly appreciated, I'm still waiting on parts for my other
>projects.</FONT></DIV>
><DIV><FONT color=#000000 size=2></FONT>&nbsp;</DIV>
><DIV><FONT color=#000000 size=2>BTW, does anyone know where I can get I2C
>parts?&nbsp; Can I use a shift-register to convert parallel data from a A/D to
>serial? I know a lot about electronics, but I'm a little fuzzy on all of the
>different IC chips.</FONT></DIV>
><DIV><FONT color=#000000 size=2></FONT>&nbsp;</DIV>
><DIV><FONT color=#000000 size=2></FONT>&nbsp;</DIV>
><DIV><FONT color=#000000
>size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n
>bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp
>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n
>bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp
>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n
>bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
>-Robert Brack</FONT></DIV>
><DIV><FONT color=#000000
>size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n
>bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp
>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n
>bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp
>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n
>bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
><A href="mailto:reb@netride.com">reb@netride.com</A></FONT></DIV>
><DIV><FONT color=#000000 size=2></FONT>&nbsp;</DIV></BODY></HTML>