Fan-4020-PWM-5V
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Revision as of 02:55, 2 July 2019 by Waveshare-eng11 (talk | contribs) (Created page with " {{Infobox item |brief=Fan for Jetson Nano, support PWM controlling |img=300px|link=https://www.waveshare.com/fan-4020-pwm-5v.htm |platform=4G |...")
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Introduction
4G/3G/2G/GSM/GPRS/GNSS HAT for Raspberry Pi, Based on SIM7600E-H
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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 in full speed
sudo sh -c 'echo 255 > /sys/devices/pwm-fan/target_pwm'
【Note】You can change the 255 to other value (0~255) to change the speed of fan
- You can also set the fan ran 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 to the vi editor, you can also install nano and use it for editing:
sudo apt-get install nano sudo nano /etc/rc.local
FAQ
Support
If you require technical support, please go to the Support page and open a ticket.