4 ms·
Probably the Raspberry Pi Zero ($10, and Zero 2W - $15). The latter has 512MB RAM, quad core A53. There might be more powerful microcontrollers as well but as
by daemonologist 2y ago
Probably the Raspberry Pi Zero ($10, and Zero 2W - $15). The latter has 512MB RAM, quad core A53. There might be more powerful microcontrollers as well but as you say they're probably more obscure (and expensive).