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Topic: VIN has output? i'm scared to break my arduino. (Read 175 times) previous topic - next topic

SynteX

Hello everyone,

I just connected the output 5v from my MotorController to the VIN from arduino uno.
And a ground to a ground.

This works perfect.
But when i connect the USB cable to arduino and do not turn on the MotorController arduino uno powers the motor controller through his VIN can this damage my uno?

MarkT

Depends - you haven't given any details of the motor controller in question.
[ I will NOT respond to personal messages, I WILL delete them, use the forum please ]

SynteX

Depends - you haven't given any details of the motor controller in question.
http://www.miniinthebox.com/nl/l298n-stepper-motor-driver-controller-board-module-voor-arduino-werkt-met-de-officiele-arduino-boards_p903378.html

That motorController and the vin is connected to the v5 at the blue port on the MotorControllor

SynteX

So yeah does this break my arduino?

Or do i need to remove the VIN vable when connecting with USB?

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