Originally Posted by gunlocators  Another stupid question....
What is the purpose of a breakout board I was under the assumption the controller hooked direct to your pc parallel port...
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You use a breakout board when you use individual drives with each axis. Typically the 3 in 1 and 4in 1 boards do not need them. You also can use a breakout board to connect additional limit switches, relays, and other stuff. you can do this on a second port.
Originally Posted by gunlocators
Also whats your thoughts on optical limit switches????
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Dust will probably trip them, and you will have dust.
