I bought this breakout board and I'm confused at the USB power/voltage. It has a 5v input from the USB cord to power something as well as a 12v to 24v terminal input? Do I need to use them both or just one? The manual does not clearly say. Also will the power carry through the wires into my stepper controllers? Cause I will be running the stepper drivers at 36V, and I don't want anything to be mixed up.
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Image: http://i.ebayimg.com/t/US-seller-Upg...kI7w~~60_3.JPG
Manual: https://skydrive.live.com/?cid=88fb6...PSeNu5hZHOhv5k