Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•ESP32-DevKitC ESP32-32D Core Board
•ESP32 ESP-32 ESP-32D Development Board
•ESP32-DevKitC V4 is a small-sized ESP32-based development board.
•Most of the I/O pins are broken out to the pin headers on both sides for easy interfacing.