But despite owning significantly more powerful devices, I keep coming back to my Raspberry Pi collection for low-power ...
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6 projects to reuse an old mini PC

And with their low power consumption, good single-core performance, and speedy storage, almost any mini PC from the last five ...
If you want to build your own small K3s cluster, you can use the following repository as a reference: https://github.com/Sthirs/rpi-cluster ...