ESP32-DevKitC V4 Getting Started Guide [] This guide shows how to start using the ESP32-DevKitC V4 development board.  For description of other versions of ESP32-DevKitC check ESP32 Hardware Reference.  What You Need ESP32-DevKitC V4 board USB A / micro USB B cable Computer running Windows, Linux, or macOS You can skip the introduction sections and go directly to Section Start Application Development.  Overview ESP32-DevKitC V4 is a small-sized ESP32-based development board produced by Espressif.  Most of the I/O pins are broken out to the pin headers on both sides for easy interfacing.  Developers can either connect peripherals with jumper wires or mount ESP32-DevKitC V4 on a breadboard.  To cover a wide range of user requirements, the following versions of ESP32-DevKitC V4 are available: different ESP32 modules ESP32-WROOM-32 ESP32-WROOM-32D ESP32-WROOM-32U ESP32-SOLO-1 ESP32-WROVER ESP32-WROVER-B ESP32-WROVER-I ESP32-WROVER-B (IPEX) male or female pin headers.  For details please refer to Espressif Product Ordering Information.  Functional Description The following figure and the table below describe the key components, interfaces and controls of the ESP32-DevKitC V4 board.