a4988 requirements

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garbageman
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02 Jul 2015 08:21 #60325 by garbageman

a4988 requirements was created by garbageman

Hi I'm looking to find out how to run polulu a4988 stepper drivers with linux cnc, what other circuits and stuff I might need, if I can just hook it strait up to the parallel port and if so how and all that good stuff.

Cheers Ryan

The following user(s) said Thank You: cncbasher

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cncbasher
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02 Jul 2015 16:38 #60332 by cncbasher

Replied by cncbasher on topic a4988 requirements

a4988 , are straight forward , using step , direction and enable , follow any standard design for example reprap , and connect using a breakout board
to the parraell port , or follow the designs of the beaglebone black and the Machinekit project ,

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andypugh
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02 Jul 2015 20:08 #60340 by andypugh

Replied by andypugh on topic a4988 requirements

garbageman wrote:
if I can just hook it strait up to the parallel port and if so how and all that good stuff.

You probably can wire directly to the parport. There is some risk of wiring errors damaging the parallel port, which is why a breakout board is normally suggested, but directly to the parport (configured to sink current) works too.

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