> Impressively, they bit bang low speed USB (1.1) You're not kidding, that is very impressive. I always find it fascinating what some people manage to achieve

> Impressively, they bit bang low speed USB (1.1) You're not kidding, that is very impressive. I always find it fascinating what some people manage to achieve with bit-banging. This is one I remember being quite impressed with back in the day: https://hackaday.com/2011/05/10/bit-banging-vga-from-an-sd-card-slot/ https://hackaday.com/2011/05/10/bit-banging-vga-from-an-sd-c...