[Matteo] bought a new Raspberry Pi 4 ... is still a 32-bit system and doesn’t take advantage of the Pi 4’s 64-bit capable CPU. So he installed a light version of 64-bit Debian and ran some ...

but do it even cooler. Such is the case with this Raspberry Pi project that keeps an eye on how your Pi's CPU is doing and uses a light show to communicate how much load it's experiencing.