Red LED: The Red LED on the board is used to indicate the power supply. It glows red when the board is powered. ... MSP430 Projects STM32 Projects ESP8266 Projects PIC Projects AVR Projects 8051 ...

For further info, read: ESP-IDF Getting Started for Windows. Either the Online or Offline version should work; When asked which components to install, don't change anything. Default options are Ok.

restart Arduino IDE 2.3.2; open Boards Manager and search for "espressif" Esp32 by Espressif Systems ist listed. open the list box of available version of that package. the list goes just up to 2.0.11 ...