It seems to me that the Raspberry Pi RP 2040 is a proper candidate for the FORTH programming language. I am not alone as somebody has already done some versions of the language.
https://wellys.com/posts/rp2040_forth/
https://github.com/kristianwiklund/rp2040-forth
https://hackaday.io/page/11525-multicore-forth-execution-with-multitasking-on-the-rp2040
(ZeptoForth)
https://wiki.forth-ev.de/doku.php/en:pfw:assemblers_rp2040-assembler
I'll look into these. Then I'll see if I can put an MQTT publisher on one.
The version of FORTH that I used back in '79-80.
https://www.forth.com/wp-content/uploads/2017/04/microFORTH_on_RCA_COSMAC_05_text.pdf
https://www.forth.com/wp-content/uploads/2017/04/microFORTH_on_RCA_COSMAC_05_source.pdf
