Yep, 8 bit 8MHz microcontrollers are already plenty of power for a lot of hobbyist applications. And if not there are plenty of super cheap (<$5) boards with AR

Yep, 8 bit 8MHz microcontrollers are already plenty of power for a lot of hobbyist applications. And if not there are plenty of super cheap (<$5) boards with ARM 32 bit processors, or wifi/bluetooth built in