There’s Whole Computer Inside This Mouse

[Gadget Industry] bills it as “ a PC inside a Mouse “, but that depends on your definition of a “PC”. This is a Personal Computer inside a mouse, yes, but there’s nothing IBM-compatible about the tiny ARM board he squeezes inside what’s normally a peripheral — it actually started life as a smartphone, which only takes this build up a notch compared to starting with a single-board computer like a Pi. Specifically, he starts with a Galaxy S21 5G.