ESP32

pinout

datasheet

builtin led pin 22

ESP32 devkit v1 TTGO mini32 ESP32 bangood amazon

Chip is ESP32D0WDQ6 (revision 1)
Features: WiFi, BT, Dual Core, 240MHz, VRef calibration in efuse

• PIN 22 is connected to green LED

• arduino example

physical pinout

• resources
• github lib