A DIY AI server gets a homemade PWM fan controller
MackThax · reddit · 2026-07-24
A user says they “learned” electronics just to build a PWM fan controller for their DIY AI server.
The post includes a photo of the messy setup: a pile of drives, cables, fans, and a small controller board wired into the machine. The point is not a polished tutorial, but a real-world example of the kind of hardware tinkering people do to keep a local AI server usable.
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