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乐鑫科技wifi模块ESP32-C3-DevKitC-02开发板

本指南将帮助您快速上手 ESP32-C3-DevKitC-02，并提供该款开发板的详细信息。 ESP32-C3-DevKitC-02 is an entry-level development board based on ESP32-C3-WROOM-02, a general-purpose module with 4 MB SPI flash. This board integrates complete Wi-Fi and Bluetooth LE functions. 乐鑫科技wifi模块ESP32-C3-DevKitC-02 是一款入门级开发板，使用配置 4 MB SPI flash 的通用型模组 ESP32-C3-WROOM-02。该款开发板具备完整的 Wi-Fi 和低功耗蓝牙功能。 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-C3-DevKitC-02 on a breadboard. 板上模组大部分管脚均已引出至两侧排针，开发人员可根据实际需求，轻松通过跳线连接多种外围设备，同时也可将开发板插在面包板上使用。乐鑫科技wifi模块ESP32-C3-DevKitC-02 Description of Components 组件介绍乐鑫科技wifi模块ESP32-C3-DevKitC-02 - 正面 Key Component Description ESP32-C3-WROOM-02 ESP32-C3-WROOM-02 from Espressif is a powerful and general-purpose module that offers Wi-Fi and Bluetooth LE coexistence. It has a PCB antenna and a 4 MB SPI flash. 5 V to 3.3 V LDO Power regulator that converts a 5 V supply into a 3.3 V output. 5 V Power On LED Turns on when the USB power is connected to the board. I/O Connector All available GPIO pins (except for the SPI bus for flash) are broken out to the pin headers on the board. For details, please see Header Block. Boot Button Download button. Holding down Boot and then pressing Reset initiates Firmware Download mode for downloading firmware through the serial port. Micro-USB Port USB interface. Power supply for the board as well as the communication interface between a computer and the ESP32-C3 chip. Reset Button Press this button to restart the system. USB-to-UART Bridge Single USB-to-UART bridge chip provides transfer rates up to 3 Mbps. RGB LED Addressable RGB LED, driven by GPIO8. Start Application Development Before powering up your ESP32-C3-DevKitC-02, please make sure that it is in good condition with no obvious signs of damage. 开始开发应用通电前，请确保乐鑫科技wifi模块 ESP32-C3-DevKitC-02 完好无损。 Required Hardware ESP32-C3-DevKitC-02 USB 2.0 cable (Standard-A to Micro-B) Computer running Windows, Linux, or macOS 必备硬件 ESP32-C3-DevKitC-02 USB 2.0 数据线（标准 A 型转 Micro-B 型）电脑（Windows、Linux 或 macOS） Note Be sure to use a good quality USB cable. Some cables are for charging only and do not provide the needed data lines nor work for programming the boards. 注解请确保使用优质 USB 数据线。部分数据线仅可用于充电，无法用于数据传输和编程。 Hardware Reference 硬件参考 Block Diagram 功能框图 The block diagram below shows the components of ESP32-C3-DevKitC-02 and their interconnections. ESP32-C3-DevKitC-02 的主要组件和连接方式如下图所示。 Power Supply Options There are three mutually exclusive ways to provide power to the board: Micro-USB port, default power supply 5V and GND pin headers 3V3 and GND pin headers It is recommended to use the first option: micro-USB port. 电源选项您可从以下三种供电方式中任选其一给 ESP32-C3-DevKitC-02 供电： Micro-USB 接口供电（默认） 5V 和 GND 排针供电 3V3 和 GND 排针供电建议选择默认种供电方式：Micro-USB 接口供电。 Pin Layout 乐鑫科技wifi模块管脚布局 ESP32-C3-DevKitC-02 管脚布局

产品描述

ESP32-C3-DevKitC-02开发板

This user guide will help you get started with ESP32-C3-DevKitC-02 and will also provide more in-depth information.
本指南将帮助您快速上手 ESP32-C3-DevKitC-02，并提供该款开发板的详细信息。

ESP32-C3-DevKitC-02 is an entry-level development board based on ESP32-C3-WROOM-02, a general-purpose module with 4 MB SPI flash. This board integrates complete Wi-Fi and Bluetooth LE functions.
乐鑫科技wifi模块ESP32-C3-DevKitC-02 是一款入门级开发板，使用配置 4 MB SPI flash 的通用型模组 ESP32-C3-WROOM-02。该款开发板具备完整的 Wi-Fi 和低功耗蓝牙功能。

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-C3-DevKitC-02 on a breadboard.
板上模组大部分管脚均已引出至两侧排针，开发人员可根据实际需求，轻松通过跳线连接多种外围设备，同时也可将开发板插在面包板上使用。

乐鑫科技wifi模块ESP32-C3-DevKitC-02

Description of Components
组件介绍

乐鑫科技wifi模块ESP32-C3-DevKitC-02正面

乐鑫科技wifi模块ESP32-C3-DevKitC-02 - 正面

Key Component	Description
ESP32-C3-WROOM-02	ESP32-C3-WROOM-02 from Espressif is a powerful and general-purpose module that offers Wi-Fi and Bluetooth LE coexistence. It has a PCB antenna and a 4 MB SPI flash.
5 V to 3.3 V LDO	Power regulator that converts a 5 V supply into a 3.3 V output.
5 V Power On LED	Turns on when the USB power is connected to the board.
I/O Connector	All available GPIO pins (except for the SPI bus for flash) are broken out to the pin headers on the board. For details, please see Header Block.
Boot Button	Download button. Holding down Boot and then pressing Reset initiates Firmware Download mode for downloading firmware through the serial port.
Micro-USB Port	USB interface. Power supply for the board as well as the communication interface between a computer and the ESP32-C3 chip.
Reset Button	Press this button to restart the system.
USB-to-UART Bridge	Single USB-to-UART bridge chip provides transfer rates up to 3 Mbps.
RGB LED	Addressable RGB LED, driven by GPIO8.

Start Application Development
Before powering up your ESP32-C3-DevKitC-02, please make sure that it is in good condition with no obvious signs of damage.
开始开发应用
通电前，请确保乐鑫科技wifi模块 ESP32-C3-DevKitC-02 完好无损。

Required Hardware
ESP32-C3-DevKitC-02
USB 2.0 cable (Standard-A to Micro-B)
Computer running Windows, Linux, or macOS
必备硬件
ESP32-C3-DevKitC-02
USB 2.0 数据线（标准 A 型转 Micro-B 型）
电脑（Windows、Linux 或 macOS）

Note
Be sure to use a good quality USB cable. Some cables are for charging only and do not provide the needed data lines nor work for programming the boards.
注解
请确保使用优质 USB 数据线。部分数据线仅可用于充电，无法用于数据传输和编程。

Hardware Reference
硬件参考
Block Diagram
功能框图
The block diagram below shows the components of ESP32-C3-DevKitC-02 and their interconnections.
ESP32-C3-DevKitC-02 的主要组件和连接方式如下图所示。

乐鑫科技wifi模块ESP32-C3-DevKitC-02 的主要组件和连接方式

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

Micro-USB port, default power supply

5V and GND pin headers

3V3 and GND pin headers

It is recommended to use the first option: micro-USB port.
电源选项
您可从以下三种供电方式中任选其一给 ESP32-C3-DevKitC-02 供电：
Micro-USB 接口供电（默认）
5V 和 GND 排针供电
3V3 和 GND 排针供电
建议选择默认种供电方式：Micro-USB 接口供电。
Pin Layout
乐鑫科技wifi模块管脚布局

ESP32-C3-DevKitC-02 管脚布局