[Sergey Lyubka] put together this epic guide for bare-metal microcontroller programming. While the general concepts should be applicable to most any microcontroller, [Sergey]s examples specificall… ...

The Raspberry Pi Pico microcontroller was released at the start of the year, and this book may be of interest if you are looking to programme it in MicroPython: yes, its Programming the Raspberry Pi ...

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.