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Author Topic: doesn't stop moving  (Read 184 times)
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I built a 3-d printer and am using the Arduino Mega 2560 R3.  i checked my connections a thousand times.  As soon as I turn on my machine it starts moving back and forth until i turn off the power and i can't connect with my computer.  My bed and extruder heat up just fine all motors turn. Has anybody ever had this problem?  is my board defective?  can i do something to fix it?

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