The tiny Raspberry Pi Pico is the little circuit board that could, with projects available that are usually handled by the larger Raspberry models.

One of the standout features of the Raspberry Pi Pico is its RP2040 chip, which includes a dual-core Arm Cortex-M0+ processor with 264KB internal RAM and support for up to 16MB of off-chip Flash.

A common-cathode RGB LED is used as the light source. And a set of three GPIOs of Raspberry Pi Pico (GP13-14-15) is used to drive the RGB LED. You can see that the R-G-B drive signals are also ...