Arudino/shield Trouble Shooting

A gear inside the motor was my first thought, but I have taken it a part and it looks fine.
If I plug the left motor into the right port I get the same noise.

Through all this plugging and unplugging I have determined the problem. I had the right motor plugged into the Z axis port and that clicking was the z axis bottoming out. That looks to have solved things.

I guess after sitting in a box for a year a forgot where the cables went.

Thanks for the help

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Lol… it was a head-scratcher :slight_smile:

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Usually it was a humming in a device that shouldn’t hum. You can also think cartoonish sounds, zaps, buzzzzzz, and so on. It was, thankfully, an infrequent occurrence and when you heard it you knew something was wrong.

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