A microcontroller like an Arduino is your interface to the sensors/motors/etc. On a large project you should think of it as a peripheral device which should be controlled by a microprocessor-based system like a Raspberry Pi.
A microcontroller like an Arduino is your interface to the sensors/motors/etc. On a large project you should think of it as a peripheral device which should be controlled by a microprocessor-based system like a Raspberry Pi.