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'[PIC]: RS232 to Stepping motors'
2001\05\08@180910 by Jose Angel Navarro

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Hi!

I'm just new to PIC and I have to work on a proyect for reading text output
from a RS232 and drive two stepping motors from the values in text strings.

Will you, please, tell me just the starting point?

First I think in PIC16F84 but reading I think there are some others better
for reading RS232

Is there any developer kit with 2 stepping motor control that let me start
doing tests?

Thanks in advanced :-)


________________________________
_______Jose Angel Navarro_______
_____welcome.to(ba/rra)janc_____
___janc(arroba)altavista.net____
________________________________

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2001\05\08@193540 by Wenzel Jakob

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Hi,
the PIC16F84 does not provide you with any internal support for
reading RS-232. You might want to consider the use of an 16F8XX
with a MAX232 chip. This is pretty easy. The stepping motor part should
be pretty easy, you can find information about that on the piclist.

Wenzel

---------------------------------
Wenzel Jakob (Wazlaf)
spam_OUTwjakobTakeThisOuTspamlacademy.edu

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2001\05\08@194605 by Antonio L Benci

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part 1 945 bytes content-type:text/plain; charset=us-ascii (decoded 7bit)

Why not use a 16F628 in place of the 16F84A, it has a UART.

Wenzel Jakob wrote:
>
> Hi,
> the PIC16F84 does not provide you with any internal support for
> reading RS-232. You might want to consider the use of an 16F8XX
> with a MAX232 chip. This is pretty easy. The stepping motor part should
> be pretty easy, you can find information about that on the piclist.
>
> Wenzel

Nino.
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part 3 144 bytes
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2001\05\08@201130 by victor Faria

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also cheaper:)
victor
----- Original Message -----
From: "Antonio L Benci" <.....Nino.BenciKILLspamspam.....SPME.MONASH.EDU.AU>
To: <EraseMEPICLISTspam_OUTspamTakeThisOuTMITVMA.MIT.EDU>
Sent: Tuesday, May 08, 2001 7:42 PM
Subject: Re: [PIC]: RS232 to Stepping motors


{Quote hidden}

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2001\05\08@212148 by Bob Ammerman

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Get an '87x and, if you can afford it, an ICD.

Bob Ammerman
RAm Systems
(contract development of high performance, high function, low-level
software)

{Original Message removed}

2001\05\09@040650 by Roman Black

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Antonio L Benci wrote:
>
> Why not use a 16F628 in place of the 16F84A, it has a UART.


What about Dan's new botboard, it has 40pin PIC,
serial chip, and motor driver chips for the stepper
motors and many other goodies already!
-Roman

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2001\05\09@090804 by Olin Lathrop
face picon face
> I'm just new to PIC and I have to work on a proyect for reading text
output
> from a RS232 and drive two stepping motors from the values in text
strings.
>
> Will you, please, tell me just the starting point?

To keep it simple, use a PIC with a UART.  There are quite a few of
these, see the line card.  The cheapest is probably the 16C63A.
If this is a one off or cost is not a big deal, I would use a 16F876.
That gives you room for creaping features.


********************************************************************
Olin Lathrop, embedded systems consultant in Littleton Massachusetts
(978) 742-9014, @spam@olinKILLspamspamembedinc.com, http://www.embedinc.com

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2001\05\11@010709 by joan

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Jose Angel,

I have just finished the first phase of a rover where two stepper
motors are controlled each one with a 16F84, and both 16F84s
are coordinated by a third 16F84 which gets commands from a
dip switch and communicates serially with the motors' 16F84s.
This is similar to what you are trying to do.

I am trying to find time to post the programs and drawings
in my web page : http://www.ilari.org. Up to now, only the TRX routine
has been posted but as soon as I finish my income tax return :-( I
will post the remaining information I have about the project.

Cheers

Joan

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