FW: TI-H: Please help me on a survey


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FW: TI-H: Please help me on a survey






-----Original Message-----
From:	Mike Leister [SMTP:leister@baghwan.nsc.com]
Sent:	Tuesday, May 05, 1998 1:45 AM
To:	'ryan pogge'
Subject:	RE: TI-H: Please help me on a survey



What is your plan for the RF part of the link?  I can help with COP8 microcontroller assembly code.  What modulation technique will you use?  Will you use a transciever IC?  If so, what  type?  I can help with PCB layout if you have a working RF section.

Mike

-----Original Message-----
From:	ryan pogge [SMTP:ryanpogge@hotmail.com]
Sent:	Tuesday, May 05, 1998 1:21 PM
To:	ti-hardware@lists.ticalc.org
Subject:	Re: TI-H: Please help me on a survey


I can make a 900 mhz RF link that will go 1/4 of a mile for 
stamps...duno I am getting a set of these...
the set cost me about 60 bucks...
should be easy to use with a PIC or AVR ... I could definently make two 
pics or avr's comunicate with these moduals.. with AVR-BASIC or 
PIC-BASIC compilers...

. Complete 900 Mhz RF TX/RX solution
. Microprocessor-based synthesized architecture
. Eight user-selectable channels
. Very high data rate (up to 50Kbps)
. Qualified data output, True RSSI, CTS functions
. >1/4 mile range
. Direct serial data interface
. Wide range analog interface
. No production tuning required
. No external components required(except antenna)
. Wide supply voltage range

 ... i could do it .. problem is I know nothing about assembly or the 
calculator protocal/ link stuff...  so I cant realy offer any help 
unless someone can help me with the Ti to stamp comunication(which i 
suspect is the most difficult part) ... 

oh and rich , get a stamp.. its the best 49 dollars I ever spent.. :)
I have done so much with it and learned so much also.....






>The BASIC stamp is expensive. I'd personaly like to see a PIC or AVR 
programed
>to read all those things and relay it to the calc (like the stuff grant 
says)


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