bigtreetech / bigtreetech/BTT-Pi

Independent fan control

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Description

Dear all, I have one of my BTT Pi inside a Klipper machine, working with the code you provided to make the fan run, without any problem, but, I have a concern, when you are developing something, or simply you will not use this BTT-Pi for klipper, the fan remains stopped, and maybe the CPU will become hot, then, from my point of view, could be a great idea to have something similar as the Raspberry pi has, in order to control the fan in a regulated way, directly as a part of the OS, enclosed I send you three pictures in order to explain what I mean:

![image](https://github.com/bigtreetech/BTT-Pi/assets/45154631/2628ac95-d61a-4100-be99-8d3e478c91d2)

![image](https://github.com/bigtreetech/BTT-Pi/assets/45154631/709bc93b-35cc-4a80-a096-b616af66155e)

![image](https://github.com/bigtreetech/BTT-Pi/assets/45154631/0869901d-cdb2-4bbf-8b27-8e4c311a39ea)

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Research direction

Start by reviewing the existing fan-control code referenced in the issue and the Raspberry Pi behavior shown in the attached examples. Define the OS-level requirements for regulated fan control when Klipper is not running. Done means the scope and expected behavior are agreed and the fan can regulate CPU temperature independently of Klipper.

Written by the indexing model from the issue text.

Assessment

Tech stack
linux, raspberry-pi
Domain
embedded-iot, operating-systems
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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