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achillx

Temp sensor LED lights when moving the head!

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The stepper motors act as little generators when you spin them, so yes, it's normal.

 

Ok although I don't get why the electricity that is produced from the motor goes through the temperature sensor's circuit.

Beside sharing a common - I don't understand how is a closed circuit motor and temperature sensor.

 

But only in one direction for each axis... ;)

 

I does it on both directions, both axes!

 

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[...]

I does it on both directions, both axes!

 

That's interesting. On my UM1 I only get the effect in one direction. And it made sense to me as LED are diodes. :blink:

I try to avoid moving the print head fast (which results in higher induced current) as the electronics might not like this kind of induced power. :sad:

 

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