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products:sbc:common:add-ons:cooling-fan

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products:sbc:common:add-ons:cooling-fan [2023/11/15 01:20]
sravan 		products:sbc:common:add-ons:cooling-fan [2026/02/02 01:44] (current)
gray update by using AI
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 ===== Introduction ===== ===== Introduction =====
  
-This page mainly introduces [[https://www.khadas.com/product-page/3705-cooling-fan | Cooling Fan]]. The first half describes how to control the Cooling Fan on Ubuntu, and the second half describes how to control the Cooling Fan on Android.+This page introduces the [[https://www.khadas.com/product-page/3705-cooling-fan | Cooling Fan]]. The first section describes how to control the fan on Ubuntu, and the second section describes how to control it on Android.
  
 ===== Ubuntu ===== ===== Ubuntu =====
  
 <WRAP important> <WRAP important>
-This setting is only applicable to 4.9, 5.4, and 5.15 linux kernel+This setting is only applicable to 4.9, 5.15, 5.4, and 6.1 linux kernel
 </WRAP> </WRAP>
  
 ==== Fan Application ==== ==== Fan Application ====
  
-The following method is recommended if you are using desktop OS. Find ''Fan Setting'' from the applications list. Open the app to control the cooling fan speed.+This method is recommended if you are using a desktop OS. Find ''Fan Setting'' in the applications list. Open the app to control the cooling fan speed.
  
 {{/products/sbc/common/accessories/gnome_application_fan.png|gnome_application_fan}} {{/products/sbc/common/accessories/gnome_application_fan.png|gnome_application_fan}}
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 ==== Command Line ==== ==== Command Line ====
  
-You can also use command to control the FAN from terminal.+You can also use commands to control the fan from the terminal.
  
 === Set the fan mode === === Set the fan mode ===
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 === Get and Set the trigger temperature === === Get and Set the trigger temperature ===
  
-You can get the trigger temperature from the nodes below:+You can read the trigger temperature from the following nodes:
  
 ^ fan mode ^ trigger temp parameter ^ ^ fan mode ^ trigger temp parameter ^
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 | high | ''/sys/class/fan/trigger_temp_high'' | | high | ''/sys/class/fan/trigger_temp_high'' |
  
-e.g. Get the low trigger temperature:+Example: Get the low trigger temperature:
  
 ```shell ```shell
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 ``` ```
  
-e.g. Set the low trigger temperature to ''40'' Celsius.+Example: Set the low trigger temperature to ''40'' Celsius.
  
 ```shell ```shell
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 <WRAP tip > <WRAP tip >
-The trigger temperature only effect the fan works in auto mode.+The trigger temperature only affects the fan when it is in auto mode. 
 </WRAP> </WRAP>
  
 === Mainline linux === === Mainline linux ===
  
-Fan is controlled automatically by linux, and unit will be in millicelcius+The fan is controlled automatically by the Linux thermal subsystem. Temperatures are in millidegrees Celsius.
  
-eg. get the auto trigger temp with +Example: Get the auto trigger temperature:
 ``` ```
 cat /sys/class/thermal/thermal_zone0/trip_point_3_temp cat /sys/class/thermal/thermal_zone0/trip_point_3_temp
 ``` ```
  
-eg. set the auto trigger temp to 40000 millicelcius+Example: set the auto trigger temp to 40000 millicelcius
 ``` ```
 echo 40000 | sudo tee /sys/class/thermal/thermal_zone0/trip_point_3_temp echo 40000 | sudo tee /sys/class/thermal/thermal_zone0/trip_point_3_temp
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 <WRAP tip > <WRAP tip >
-To turn off the fan, set trigger temp to higher amount such as 80000, \\ +To turn the fan off, set the trigger temperature to a higher value (e.g., 80000). \\ 
-To turn on the fan, set the trigger temp to lower amount such as 10000.+To turn the fan on, set the trigger temperature to a lower value (e.g., 10000).
 </WRAP> </WRAP>
  
Last modified: 2026/02/02 01:44 by gray

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