These two "Channels fit under the DuetWifi. Each can have it's own 40mm fan.

In my setup the fans are connected to the FAN2 connector and controlled by:

M106 P2 L230 T40:65 H100:101:102

They will only turn on if Processor gets over 40 Celcius or TMC chips send overheat signal

Category: 3D Printer Parts