Subject:
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Re: Motor Control
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Newsgroups:
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lugnet.robotics
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Date:
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Sun, 19 Sep 1999 16:03:07 GMT
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Reply-To:
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wattsup1@STOPSPAMMERSearthlink.net
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Viewed:
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924 times
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Scott Edwards sells a pic that can control 8 servos. He regulary advertises
in Nuts and Volts Magazine.
http://www.seetron.com/ssc.htm
-Phil
Philippe Jadin wrote:
> > 3) Are their any driver chips that will allow me
> > to input a digital value and get the correct corresponding Pulse Width
> > Modulated output to drive a hobby servo like Futaba, etc.?
>
> There is probably no ready-to use chip to control a servo with a digital
> value. But you have two solutions :
>
> 1. Try to program a pulse width modulated signal output. You need a fast
> "brain"...
> 2. With an digital to analog converter and a 555 chip, you could
> probably convert an 8 bit signal to the right pwm... Didn't test it
> though.
>
> For the first solution, I've already made a simple servo tester, which
> use a standard printer port, and a windows proggy (sources included).
> You can control up to eight servo's with one parallel port...
>
> Look at : http://users.swing.be/philippe.jadin/servoen.htm
>
> Good luck !
>
> Philippe
>
> ---------------------------------------------------------------------
> Philippe Jadin
> mailto:philippe.jadin@skynet.be
> Belgium, Europe
> Simple yet usefull Robot stuff goto
> http://users.swing.be/philippe.jadin
> For low-cost web design goto http://users.skynet.be/clairetnet
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Message has 1 Reply:
 | | Re: Motor Control
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| Philippe - - Scott Edwards' Mini SSC-IIs get my highest recommendation if you need to control several servos. If you only need to control one or two servos the SSC-II is probably over-kill. A BASIC Stamp is the easiest way to go, and a PIC is the (...) (26 years ago, 19-Sep-99, to lugnet.robotics)
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Message is in Reply To:
| | Re: Motor Control
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| (...) There is probably no ready-to use chip to control a servo with a digital value. But you have two solutions : 1. Try to program a pulse width modulated signal output. You need a fast "brain"... 2. With an digital to analog converter and a 555 (...) (26 years ago, 18-Sep-99, to lugnet.robotics)
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