Anycubic Delta Kossel Stepper Driver Aero Tunnel Cooler 40X40

For fan 40x40 mm

Connect FAN1 (marlin): Configuration_adv.h

define USE_CONTROLLER_FAN if ENABLED(USE_CONTROLLER_FAN) define CONTROLLER_FAN_PIN 7 // Set a custom pin for the controller fan define CONTROLLERFAN_SECS 60 // Duration in seconds for the fan to run after all motors are disabled define CONTROLLERFAN_SPEED 255 // 255 == full speed endif