Fan-4020-PWM-5V

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Fan-4020-PWM-5V
Fan-4020-PWM-5V-3.jpg
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Introduction

Fan-4020-PWM-5V is for Jetson Nano and supports PWM controlling.

More

How to use

Hardware connection

Please connect the Fan to Fan interface of the Jetson Nano Developer Kit, note the direction.

Software setting

  • Running fan: you can use the command below to run the fan at full speed.
sudo sh -c 'echo 255 > /sys/devices/pwm-fan/target_pwm' 

【Note】You can change the 255 to another value (0~255) to change the speed of fan.

  • You can also set the fan run when booting by creating and modifying rc.local file.
sudo vi /etc/rc.local
  • Add statements below to rc.local file and save.
#!/bin/bash
sleep 10
sudo /usr/bin/jetson_clocks
sudo sh -c 'echo 255 > /sys/devices/pwm-fan/target_pwm'
  • Modify file permission.
sudo chmod u+x rc.local
  • Then reboot and testing
sudo reboot

【Note】if you are strange with the vi editor, you can also install nano and use it for editing:

sudo apt-get install nano
sudo nano /etc/rc.local

FAQ

 Answer:

Black -> GND; Red -> Vcc; Blue -> Tach; Yellow -> PWM.

The color of Tach and PWM may be different among different batches, it is all to the actual products.


 Answer:
The operating current of FAN-4020-PWM-5V is 0.27A, 7500rpm.

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Support



Technical Support

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