24V Brushless Centrifugal Air Blower DC WS7040 7040 Blower Fan 6.5Kpa +Potentiometer + Driver Compatible with VzBoT HevORT 3D Printer, Air Cushion Machines, UAV, Fuel Cell, Car Mounted Purifier

Marlin: enable “FAN_SOFT_PWM” and set ”SOFT_PWM_SCALE”to 5 Duetboard: https://duet3d.dozuki.com/Wiki/Connecting_and_configuring_fans Klipper: [fan] pin: host:gpio26 hardware_pwm: False cycle_time: 0.005

• This 24V DC brushless blower has the characteristics of high pressure, large air volume, and the motor core movement is designed and manufactured with a hollow cup structure, which has high efficiency, high speed, and high stability
• This blower starts smoothly, has Compact size but output high pressure and airflow , low temperature ris, accurate accuracy, energy-saving, and use environmentally friendly materials. Very suitable for compact system or tools like 3D Printer, Air cushion machines, UAV, Fuel Cell, Car mounted purifier machines and so on.
• Using branded ball bearing guarantee long lifetime (Service Life Up to 10,000hours) and ultra-low noise. External driver controller can change speed by PWM or 0~5V signal.
• When use the potentiometer knob to control the fan speed, only need to connect the driver board directly to the 24V DC power supply. While use the motherboard to control, just take out the potentiometer, connect the signal pin of the driver board to the 5V or 3.3V pin of the motherboard, and connect it to GND.
• NOTE：Please Must make The positive and negative poles CANNOT be reversed when connect to power supply Or will damage the fan. And there are positive + and negative - marks behind the driver
• 1pc WS7040-24-V200 brushless centrifugal air blower fan; 1pc potentiometer; 1pc driver; 1pc power cable