Download the codes here Arduino simple shield potentiometer code: Arduino shield rc car: Arduino nano module L298P code: ...

Arduino has shrunk the UNO R4 with the Arduino Nano R4 board equipped with the same 48 MHz Renesas RA4M1 32-bit Arm ...

The Pico, just like the Arduino boards, is a microcontroller, and a tiny one at that. In fact, it's only slightly larger than Arduino's smallest board, the Nano, at 51 mm x 21 mm.