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ESP32-DevKitC V4 Getting Started Guide¶

Содержание

This guide shows how to start using the ESP32-DevKitC V4 development board.

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-DA

  • ESP32-WROOM-32E

  • ESP32-WROOM-32UE

  • ESP32-WROOM-32D

  • ESP32-WROOM-32U

  • ESP32-SOLO-1

  • ESP32-WROVER-E

  • ESP32-WROVER-IE

male or female pin headers.

For details please refer to

Functional Description¶

The following figure and the table below describe the key components, interfaces and controls of the ESP32-DevKitC V4 board.

ESP32-DevKitC V4 with ESP-WROOM-32 module soldered

ESP32-DevKitC V4 with ESP32-WROOM-32 module soldered ¶

A module with ESP32 at its core. For more information, see ESP32-WROOM-32 Datasheet.

Download button. Holding down Boot and then pressing EN initiates Firmware Download mode for downloading firmware through the serial port.

Single USB-UART bridge chip provides transfer rates of up to 3 Mbps.

USB interface. Power supply for the board as well as the communication interface between a computer and the ESP32-WROOM-32 module.

5V Power On LED

Turns on when the USB or an external 5V power supply is connected to the board. For details see the schematics in Related Documents.

Most of the pins on the ESP module are broken out to the pin headers on the board. You can program ESP32 to enable multiple functions such as PWM, ADC, DAC, I2C, I2S, SPI, etc.

The pins D0, D1, D2, D3, CMD and CLK are used internally for communication between ESP32 and SPI flash memory. They are grouped on both sides near the USB connector. Avoid using these pins, as it may disrupt access to the SPI flash memory / SPI RAM.

The pins GPIO16 and GPIO17 are available for use only on the boards with the modules ESP32-WROOM and ESP32-SOLO-1. The boards with ESP32-WROVER modules have the pins reserved for internal use.

Power Supply Options¶

There are three mutually exclusive ways to provide power to the board:

Micro USB port, default power supply

5V / GND header pins

3V3 / GND header pins

The power supply must be provided using one and only one of the options above, otherwise the board and/or the power supply source can be damaged.

Header Block¶

The two tables below provide the Name and Function of I/O header pins on both sides of the board, as shown in ESP32-DevKitC V4 with ESP32-WROOM-32 module soldered . The numbering and names are the same as in the ESP32-DevKitC V4 schematics (PDF).


Источник: docs.espressif.com