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M5StickC PLUS2 IoT development kit features ESP32-PICO-V3-02 SiP, larger 200 mAh battery
(www.cnx-software.com)
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
I wish one of these would come with support for LiFePo4, it’s much safer.