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dtoverlay=gpio-fan,gpiopin=14,temp=80000

No way with wtware 6.2.32 or earlier versions. We have neither overlays/gpio-fan.dtbo file nor corresponding gpio fan driver in kernel to control fan on gpio.

Please try this build:

http://wtware.com/testing/202408101838/wtware.6.2.33.en.raspberry.img.zip

In Raspberry Pi Imager CHOOSE OS -> Use custom -> Choose downloaded zip file.

After writing SD add line to config.txt file on SD:

[code]dtoverlay=gpio-fan,gpiopin=14,temp=80000[/code]

Will it work as expected? Show me wtware log if not: http://wtware.com/logs.html

PS: on [b]Raspberry 5[/b] there are dedicated pins for fan. Fan should run at different speed depending on CPU temperature out of box without configuration.

Hello,

How can I implement a fan controller for my Raspberry Pi 4 case fan?

Currently, the fan is running at 100%. I would like to start/stop it based on specific temperatures or run it at 50%, 20%, or 30% if the fan supports it.

The fan is currently connected to these pins: 4, 6, 8 (4: Plus, 6: Ground, 8: Control)