This video is an introduction to the RP2040 Tiny microcontroller board. Mecrisp Forth is used to exercise some of the common functions including the onboard Neo Pixel RGB LED. The RP2040 Tiny has a very small footprint making it easy to embed into your projects.
Mecrisp Forth:
https://sourceforge.net/projects/mecrisp/
Zeptoforth:
https://github.com/tabemann/zeptoforth
RP2040 Tiny:
https://www.waveshare.com/rp2040-tiny.htm?sku=24665