If you want to try a Scratch-inspired take on microcontroller programming, check out MicroBlocks. It will work with several common boards, including the micro:bit and the Raspberry Pi Pico.

Eventually, [Matt] stumbled across this awesome resource for 8051 programming ... realize this 30-year-old chip has 32 IO pins. This microcontroller, along with its bigger brother the 8052 ...

The M8051EW offers a complete, high performance 8051 core and developmentkit, based around Mentor Graphics’s highly successful M8051W implementation of this popular 8-bit microcontroller ... for both ...

The DP8051 soft core is 100% binary-compatible with the industry standard 8051 8-bit microcontroller. There are two configurations of DP8051: Harvard, where internal data and program buses are ...