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Support for mixing extruders

Posted by fma 
fma
Support for mixing extruders
June 19, 2017 01:37AM
Hi!

Does the support for mixing extruder support active mixing?

Thanks,


Frédéric
Re: Support for mixing extruders
June 20, 2017 02:48AM
My understanding of active mixing is that it is the same as passive mixing but with a motor to stir the filament in the mixing chamber. As such, it should not need any special support in firmware. If the motor needs to be controlled, I suggest you connect it to a spare fan output, but make sure you add a flyback diode if you are using a Duet WiFi prior to PCB revision 1.02, or an older Duet.


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