Controlling PC PWM fans with Arduino

I’ve got a whole bunch of fancy Noctua PWM fans in my PC I want to control the speed of. How do I boss them around? The most authoritative source of how these fans communicate is from an Intel specification. Even better is a whitepaper by Noctua themselves that describes every detail you could ever want to know.

PWM Fan pinout diagram

Cos numbering pins is for suckas

Okay so at least we aren’t going to be reverse engineering these fans. What exactly do they want on that PWM input pin?

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A look at the COVIDSafe App

The Australian Department of Health released the COVIDSafe app yesterday.

The concept seems great; use a technology previously used by advertisers to track you and sell ads. Now instead it can be used to save lives. I love it.

Except a lot of the Australian public does not love it. Maybe because it was promised to be open sourced, then wasn’t? Or that they promised local data would be encrypted, but it isn’t? What about when they said they wouldn’t use Singapore’s TraceTogether but then completely based the app on it’s code? The app still links to the Singapore’s TraceTogether store page;

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