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XIAO RP2350 is a tiny USB-C board based on Raspberry Pi RP2350 MCU
(www.seeedstudio.com)
Best thing about these boards is the built-in battery charger. No additional hardware needed other than the actual cell.
Everything microcontrollers: projects, questions, new releases, etc.
dragontamer's Beginner Guides:
Beginner Series I: What is a Microcontroller?
Beginner Series II: The "Generic" Microcontroller
Beginner Sidenote: Microchip's Signal Chain Design Guide
Beginner Series III: Skills and Complexity Tiers
Beginner Series IV: Deep Dive into Microchip's AVR EA