Quote Originally Posted by rbs View Post
fact is my Control box has issues where I have gone through several BOB and still not been able to use my CNC machine. In my previous design the BOB outputs where being blown so this time round I have decided to start again with a control box design as the previous was a bit of a Frankenstein.
Don't you think it's about time you started asking the question WHY.!! . . . .If you have gone thru several boards already then I'd suggest your doing something wrong.? Just throwing a differant BOB at it won't stop you blowing them up if your wiring them wrong.

What exactly is happening or not happening. Give exact details of what you have and how your wiring it and lets see if we can find the problem.
While Cheap BOB's are pain in the arse you shoudln't be blowing them up so easily or often.