Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!tut.cis.ohio-state.edu!ucbvax!decwrl!sun-barr!texsun!csccat!jack
From: jack@csccat.UUCP (Jack Hudler)
Newsgroups: sci.electronics
Subject: Re: Stepper Motor
Message-ID: <2879@csccat.UUCP>
Date: 8 Jun 89 02:37:01 GMT
References: <7137@cbnews.ATT.COM> <21000026@m.cs.uiuc.edu> <8462@pyr.gatech.EDU>
Reply-To: jack@csccat.UUCP (Jack Hudler)
Organization: Computer Support Corporation. Dallas,Texas
Lines: 28

In article <8462@pyr.gatech.EDU> byron@pyr.UUCP (Byron A Jeff) writes:
>
>If you have access to an eprom programmer a really quick solution
>comes to mind. Program the eprom with the step sequence and use
>a counter to pick the step. By using a up-down counter it's possible
>to get the motor to rotate in both directions (by presenting the sequence 
>backward). So something like this:
>
>                                                                         
>                                                                         
>             |---------|--------|---------|-------|---------|------|-------|
>             |         |--------|         |-------|         |------|       |
>Step Pulse---| Counter |--------| EPROM   |-------| Drivers |------| Motor |
>             |         |--------|         |-------|         |------|       |
>             |---------|        |---------|       |---------|      |-------|
>
>Would be a sufficient driver to make it go.
					     ^^^^^
					       |
	Insert an 8-bit AC and some PWM curcuitry and you would have 
	a microstepper. Although in it's most basic since.
	Now someone is going to ask what micro-stepping is...

-- 
Classic Quotes from STNG: "Pen Pals"
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Picard: Oooops..