Starting on Monday, November 14, and running through November, Design News will present the free course, Prototyping and Programming ESP32 Wearable Devices. Each class runs for one hour, beginning at ...
These are the commercial products I've replaced with ESP32-powered variants.
TLDR: The Internet of Things & ESP32 Arduino Beginners Course Bundle explains some of the best 2021 tools for creating cool web-connected smart devices all by yourself. Learners never stop learning.