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▉Description:
First, connect the 24V DC power supply and control the fan speed with the potentiometer knob on the driver board
Unplug the potentiometer knob and connect the PWM control cable
Please find an extra pin X on the printer control board, such as limit switch, etc. 5-3.3V logic voltage
connected to the blower's driver board control wire to it Red wire to pinX Black wire to GND
Change the default fan pin in the pins file (marlin)
MARLIN:
enable “FAN_SOFT_PWM” and set ”SOFT_PWM_SCALE”to 5
klipper：
[fan]
pin: X
hardware_pwm: False
cycle_time: 0.005
Duetboard:
https://duet3d.dozuki.com/Wiki/Connecting_and_configuring_fans
▉Testing:
https://www.youtube.com/watch?v=W8hgutyGDiQ
▉Display:
▉What's in the box:
