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From: jimf@DELETEME.pobox.com (Jim (from Oz))
Subject: Re: Computer Controlled Pyrotechnic Firing Panel
Date: Wed, 04 Sep 2002 02:26:59 GMT
Organization: To a limited extent
X-Newsreader: Forte Free Agent 1.1/32.230
On Tue, 03 Sep 2002 13:44:01 GMT, "Andy" wrote:
>I am trying to build a computer controlled pyrotechnic firing panel. It
>will use the computers serial port (RS-232) and then go to a Max232A or
>Max233 which will convert it to TTL and then it will go to a transceiver
>which will convert it to RS-485. This will allow for long distance cable
>runs and multiple addressable nodes. It will use the Master/Slave protocol.
>Each node will need a transceiver I believe and then will connect to an 8085
>or similar MPU. Is this chip the right way to go or would something be
>better. Keep in mind I'm trying to keep the cost as low as possible. Also,
>I have never worked with these components before so how do I interface the
>transceiver with the 8085? And how do you program the 8085 from the pc (how
>do you connect through serial to the 8085 in order to send down the .asm
>file before you set it up as a node)? Any help would be appreciated.
>Please let me know if this idea sounds like it will work and if the parts
>I'm using would be good or if other ones would be better. Also, if there
>are any books that you can think of that would give me the information I
>need, please say so. Thank you.
With respect Andy it sounds as if your skill levels in the
area of electronic engineering are nowhere near good
enough for a project of this type.
I strongly suggest you either buy a ready made firing
system or contract someone who does know what they're
doing with this type of design.
Jim (from Oz)
Speed doesn't kill - bad driving kills
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