Raspberry Pi 5 Fan control

Isn’t it the HAOS a read-only OS ? So it would not be possible to write the /boot/config.txt file.

You can write to /boot/config.txt

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Interesting to read that people set their temp 0 thresholds to something low Iike 35 degrees, where the default to activate the fan at all is at 50 degrees.

Even 60 degrees or more is not a problem at all so the default Pi 5 setting is quite conservative. After roughly 2 to 3 months of running HA OS on the Pi 5 „blindly“ I set up a fan level and fan RPM sensor and discovered that the fan is actually running almost all the time (at 30 % / 3.300 RPMs, very silently). It keeps the temperature between 46 and 51 degrees Celsius.

To not unnecessarily waste energy and wear out the fan too early I tend to higher the temp0 threshold from 50 to 55 (while keeping the other default settings untouched) and see how often the fan will be active then, so how effective is the passive cooling of the Argon NEO 5 case including NVMe base.

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I tried, I’m not sure if this is unsupported by the new software but my fix was to just cut the pwm wire and leave the others intact… Now it rips at full speed, but for me, problem solved.