If I was going to play about on an architecture of my choice, I wouldn't choose the 486, I'd go for something more exotic. Perhaps this SPARC-powered kit: https

If I was going to play about on an architecture of my choice, I wouldn't choose the 486, I'd go for something more exotic. Perhaps this SPARC-powered kit: https://navspark.mybigcommerce.com/ https://navspark.mybigcommerce.com/ A quick google indicates there are a small number of MIPS-powered Arduino-like kits out there. Looks like there's no equivalent for the SuperH, sadly.