The processor in the Raspberry Pi Pico, the RP2040, has a feature called PIO - Programmable Input/Output. As a result you have access to 8 little processors with their own assembly language which you can program to create deterministic interfaces to the real world. The Pico's PIOs are programmable like general processors. The 8 state machines processors can independently execute programs to manipulate GPIOs and transfer data. RP2040 Datasheet (look for Chapter 3: PIO): Pico MicroPython Examples: Let Me Explain T-shirt: Twitter: Instagram: #garyexplains