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乐鑫物联网wifiESP32-S2-Saola-1开发板

本指南介绍了乐鑫一款基于乐鑫物联网wifi ESP32-S2 的小型开发板 ESP32-S2-Saola-1。 ESP32-S2-Saola-1 Getting Started This section describes how to get started with ESP32-S2-Saola-1. It begins with a few introductory sections about the ESP32-S2-Saola-1, then Section Start Application Development provides instructions on how to get the ESP32-S2-Saola-1 ready and flash firmware into it. 入门指南本节介绍了如何快速上手 ESP32-S2-Saola-1。开头部分介绍了 ESP32-S2-Saola-1，开始开发应用小节介绍了怎样在 ESP32-S2-Saola-1 上安装模组、设置及烧录固件。 Overview ESP32-S2-Saola-1 is a small-sized ESP32-S2 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-S2-Saola-1 on a breadboard. 概述乐鑫物联网wifiESP32-S2-Saola-1 是乐鑫一款基于 ESP32-S2 的小型开发板。板上的绝大部分管脚均已引出，开发人员可根据实际需求，轻松通过跳线连接多种外围器件，或将开发板插在面包板上使用。 To cover a wide range of users’ needs, ESP32-S2-Saola-1 supports: ESP32-S2-WROVER ESP32-S2-WROVER-I ESP32-S2-WROOM ESP32-S2-WROOM-I 为了更好地满足不同用户需求，ESP32-S2-Saola-1 支持以下模组： ESP32-S2-WROVER ESP32-S2-WROVER-I ESP32-S2-WROOM ESP32-S2-WROOM-I In this guide, we take ESP32-S2-Saola-1 equipped with ESP32-S2-WROVER as an example. 本指南以搭载 ESP32-S2-WROVER 模组的 ESP32-S2-Saola-1 为例。 Description of Components 组件介绍 ESP32-S2-Saola-1 - 正面 Key Component Description ESP32-S2-WROVER ESP32-S2-WROVER is a powerful, generic Wi-Fi MCU module that integrates ESP32-S2. It has a PCB antenna, a 4 MB external SPI flash and an additional 2 MB PSRAM. I/O Connector All available GPIO pins (except for the SPI bus for flash and PSRAM) are broken out to the pin headers on the board. Users can program ESP32-S2 chip to enable multiple functions such as SPI, I2S, UART, I2C, touch sensors, PWM etc. USB to UART Bridge Single USB-UART bridge chip provides transfer rates up to 3 Mbps. Boot Button Download button. Holding down Boot and then pressing Reset initiates Firmware Download mode for downloading firmware through the serial port. Reset Button Reset button. 3.3 V Power On LED Turns on when the USB power is connected to the board. Micro-USB Port USB interface. Power supply for the board as well as the communication interface between a computer and the ESP32-S2 chip. RGB LED Addressable RGB LED (WS2812), driven by GPIO18. 主要组件介绍 ESP32-S2-WROVER 乐鑫物联网wifiESP32-S2-WROVER 集成 ESP32-S2，是通用型 Wi-Fi MCU 模组，功能强大。该模组采用 PCB 板载天线，配置了 4 MB SPI flash 和 2 MB SPI PSRAM。 I/O 连接器所有可用 GPIO 管脚（除 Flash 和 PSRAM 的 SPI 总线）均已引出至开发板的排针。用户可对 ESP32-S2 芯片编程，使能 SPI、I2S、UART、I2C、触摸传感器、PWM 等多种功能。 USB 至 UART 桥接器单芯片 USB 至 UART 桥接器，可提供高达 3 Mbps 的传输速率。 Boot 键。下载按键。按住 Boot 键的同时按一下 Reset 键进入“固件下载”模式，通过串口下载固件。 Reset 键。复位按键。 3.3 V 电源指示灯开发板连接 USB 电源后，该指示灯亮起。 Micro-USB 接口 USB 接口。可用作开发板的供电电源或 PC 和 ESP32-S2 芯片的通信接口。 RGB LED 可寻址 RGB 发光二极管 (WS2812)，由 GPIO18 驱动。 Start Application Development Before powering up your ESP32-S2-Saola-1, 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 ESP32-S2-Saola-1 完好无损。 Required Hardware ESP32-S2-Saola-1 USB 2.0 cable (Standard-A to Micro-B) Computer running Windows, Linux, or macOS 必备硬件 ESP32-S2-Saola-1 USB 2.0 数据线（标准 A 型转 Micro-B型）电脑（Windows、Linux 或 macOS） Hardware Reference 硬件参考 Block Diagram 功能框图 A block diagram below shows the components of ESP32-S2-Saola-1 and their interconnections. ESP32-S2-Saola-1 的主要组件和连接方式如下图所示。 ESP32-S2-Saola-1 Power Supply Options There are three mutually exclusive ways to provide power to the board: Micro USB port, default power supply 5V and GND header pins 3V3 and GND header pins 电源选项您可从以下三种供电方式中任选其一给 ESP32-S2-Saola-1 供电： Micro USB 端口供电（默认） 5V 和 GND 管脚供电 3V3 和 GND 管脚供电建议选择默认供电方式：Micro USB 端口供电。

产品描述

This user guide provides information on ESP32-S2-Saola-1, a small-sized ESP32-S2 Datasheet based development board produced by Espressif.
本指南介绍了乐鑫一款基于乐鑫物联网wifi ESP32-S2 的小型开发板 ESP32-S2-Saola-1。

乐鑫物联网wifiESP32-S2-Saola-1 ESP32-S2-Saola-1

Getting Started
This section describes how to get started with ESP32-S2-Saola-1. It begins with a few introductory sections about the ESP32-S2-Saola-1, then Section Start Application Development provides instructions on how to get the ESP32-S2-Saola-1 ready and flash firmware into it.

入门指南
本节介绍了如何快速上手 ESP32-S2-Saola-1。开头部分介绍了 ESP32-S2-Saola-1，开始开发应用小节介绍了怎样在 ESP32-S2-Saola-1 上安装模组、设置及烧录固件。

Overview
ESP32-S2-Saola-1 is a small-sized ESP32-S2 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-S2-Saola-1 on a breadboard.

概述
乐鑫物联网wifiESP32-S2-Saola-1 是乐鑫一款基于 ESP32-S2 的小型开发板。板上的绝大部分管脚均已引出，开发人员可根据实际需求，轻松通过跳线连接多种外围器件，或将开发板插在面包板上使用。

To cover a wide range of users’ needs, ESP32-S2-Saola-1 supports:

ESP32-S2-WROVER

ESP32-S2-WROVER-I

ESP32-S2-WROOM

ESP32-S2-WROOM-I

为了更好地满足不同用户需求，ESP32-S2-Saola-1 支持以下模组：

ESP32-S2-WROVER

ESP32-S2-WROVER-I

ESP32-S2-WROOM

ESP32-S2-WROOM-I
In this guide, we take ESP32-S2-Saola-1 equipped with ESP32-S2-WROVER as an example.

本指南以搭载 ESP32-S2-WROVER 模组的 ESP32-S2-Saola-1 为例。

Description of Components
组件介绍

乐鑫物联网wifiESP32-S2-Saola-1 - 正面 ESP32-S2-Saola-1 - 正面

Key Component	Description
ESP32-S2-WROVER	ESP32-S2-WROVER is a powerful, generic Wi-Fi MCU module that integrates ESP32-S2. It has a PCB antenna, a 4 MB external SPI flash and an additional 2 MB PSRAM.
I/O Connector	All available GPIO pins (except for the SPI bus for flash and PSRAM) are broken out to the pin headers on the board. Users can program ESP32-S2 chip to enable multiple functions such as SPI, I2S, UART, I2C, touch sensors, PWM etc.
USB to UART Bridge	Single USB-UART bridge chip provides transfer rates up to 3 Mbps.
Boot Button	Download button. Holding down Boot and then pressing Reset initiates Firmware Download mode for downloading firmware through the serial port.
Reset Button	Reset button.
3.3 V Power On LED	Turns on when the USB power is connected to the board.
Micro-USB Port	USB interface. Power supply for the board as well as the communication interface between a computer and the ESP32-S2 chip.
RGB LED	Addressable RGB LED (WS2812), driven by GPIO18.

主要组件	介绍
ESP32-S2-WROVER	乐鑫物联网wifiESP32-S2-WROVER 集成 ESP32-S2，是通用型 Wi-Fi MCU 模组，功能强大。该模组采用 PCB 板载天线，配置了 4 MB SPI flash 和 2 MB SPI PSRAM。
I/O 连接器	所有可用 GPIO 管脚（除 Flash 和 PSRAM 的 SPI 总线）均已引出至开发板的排针。用户可对 ESP32-S2 芯片编程，使能 SPI、I2S、UART、I2C、触摸传感器、PWM 等多种功能。
USB 至 UART 桥接器	单芯片 USB 至 UART 桥接器，可提供高达 3 Mbps 的传输速率。
Boot 键。	下载按键。按住 Boot 键的同时按一下 Reset 键进入“固件下载”模式，通过串口下载固件。
Reset 键。	复位按键。
3.3 V 电源指示灯	开发板连接 USB 电源后，该指示灯亮起。
Micro-USB 接口	USB 接口。可用作开发板的供电电源或 PC 和 ESP32-S2 芯片的通信接口。
RGB LED	可寻址 RGB 发光二极管 (WS2812)，由 GPIO18 驱动。

Start Application Development
Before powering up your ESP32-S2-Saola-1, 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 ESP32-S2-Saola-1 完好无损。

Required Hardware
ESP32-S2-Saola-1
USB 2.0 cable (Standard-A to Micro-B)
Computer running Windows, Linux, or macOS

必备硬件
ESP32-S2-Saola-1
USB 2.0 数据线（标准 A 型转 Micro-B型）
电脑（Windows、Linux 或 macOS）

Hardware Reference
硬件参考
Block Diagram
功能框图

A block diagram below shows the components of ESP32-S2-Saola-1 and their interconnections.
ESP32-S2-Saola-1 的主要组件和连接方式如下图所示。

乐鑫物联网wifiESP32-S2-Saola-1主要组件和连接方式
ESP32-S2-Saola-1

Power Supply Options
There are three mutually exclusive ways to provide power to the board:
Micro USB port, default power supply
5V and GND header pins
3V3 and GND header pins

电源选项
您可从以下三种供电方式中任选其一给 ESP32-S2-Saola-1 供电：
Micro USB 端口供电（默认）
5V 和 GND 管脚供电
3V3 和 GND 管脚供电
建议选择默认供电方式：Micro USB 端口供电。

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