ESP32.Microcontroller wiki: https://en.wikipedia.org/wiki/ESP32 Guide: YOU can Learn the ESP32 in 15 Minutes: Hello World!, by Dave's Garage Which ESP32 is Best for Your Project? Course: playlist: https://www.youtube.com/playlist?list=PLlLe2PpVuiVJ7bdUtQHkXIlMzqxeOtrqd video: Getting Started with ESP32 - Step-By-Step Tutorial