Minimalist Microcontroller: Building a Bare-Bones Dev Board | atomic14
ESP32 Regular Mode of Operation - General Discussion - Arduino Forum
Amazon.com: HiLetgo ESP-WROOM-32 ESP32 ESP-32S Development Board 2.4GHz Dual-Mode WiFi + Bluetooth Dual Cores Microcontroller Processor Integrated with Antenna RF AMP Filter AP STA for Arduino IDE : Electronics
Conflicting Schematics for custom ESP32 devkitC : r/esp32