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Introduction

What is ESP32.ai

Getting Started

DataSheet

ESP32

ESP32 WROOM

ESP32S3

ESP32S3 WROOM

ICS 43434

MAX98357

IDF

5.2.1

ESP32

Guide

Index

Resources

Versions

About

Get Started

index

Build the Project

Establish Serial Connection with ESP32

Flashing Troubleshooting

Standard Setup of Toolchain for Windows

Standard Toolchain Setup for Linux and macOS

Start a Project for Linux and macOS

Start a Project for Windows

Updating ESP-IDF Tools on Windows

API Guides

index

Anatomy of Core Dump Image

Application Level Tracing Library

Application Startup Flow

Bluetooth® Overview

BluFi

Bootloader

Build System

C++ Support

Core Dump

Current Consumption Measurement of Modules

Deep Sleep Wake Stubs

Error Handling

ESP-WIFI-MESH

Espressif Wireshark User Guide

Fatal Errors

General Notes About ESP-IDF Programming

Hardware Abstraction

High Priority Interrupts

Linker Script Generation

Low Power Mode User Guide

lwIP

Memory Types

OpenThread

Partition Tables

Reproducible Builds

RF Calibration

RF Coexistence

Running ESP-IDF Applications on Host

Support for External RAM

Thread Local Storage

Unit Testing in ESP32

Wi-Fi Driver

Wi-Fi Security

esp-ble-mesh

ESP-BLE-MESH

ESP-BLE-MESH Architecture

ESP-BLE-MESH FAQ

ESP-BLE-MESH Feature List

ESP-BLE-MESH Terminology

JTAG Debugging

index

Building OpenOCD from Sources for Linux

Building OpenOCD from Sources for MacOS

Building OpenOCD from Sources for Windows

Configure ESP-WROVER-KIT JTAG Interface

Configure Other JTAG Interfaces

Debugging Examples

Tips and Quirks

Using Debugger

Performance

index

Minimizing Binary Size

Minimizing RAM Usage

Speed Optimization

Tools

index

Downloadable IDF Tools

IDF Clang-Tidy

IDF Component Manager

IDF Docker Image

IDF Frontend - `idf.py`

IDF Monitor

IDF Windows Installer

API Reference

index

API Conventions

API Documentation Template

Error Codes Reference

Project Configuration

Application Protocols

index

ASIO Port

Communication with ESP SDIO Slave

ESP HTTP Client

ESP Local Control

ESP Serial Slave Link

ESP SPI Slave HD (Half Duplex) Mode Protocol

ESP x509 Certificate Bundle

ESP-Modbus

ESP-MQTT

ESP-TLS

HTTP Server

HTTPS Server

ICMP Echo

Mbed TLS

mDNS Service

Bluetooth® API

index

Bluetooth® A2DP API

Bluetooth® AVRCP APIs

Bluetooth® Common

Bluetooth® Device APIs

Bluetooth® Generic Defines

Bluetooth® HID Device API

Bluetooth® HID Host API

Bluetooth® Low Energy (Bluetooth LE)

Bluetooth® Main API

Bluetooth® SDP APIs

BluFi API

Classic Bluetooth®

Classic Bluetooth® GAP API

Classic Bluetooth® L2CAP API

Controller && VHCI

ESP-BLE-MESH

GAP API

GATT Client API

GATT Defines

GATT Server API

HFP AG API

HFP Client API

HFP Defines

SPP API

NimBLE-based Host APIs

Networking APIs

index

ESP-NETIF

ESP-NETIF Custom I/O Driver

ESP-NOW

ESP-WIFI-MESH Programming Guide

Ethernet

SmartConfig

Thread

Wi-Fi

Wi-Fi AwareTM (NAN)

Wi-Fi Easy ConnectTM (DPP)

Peripherals API

index

Analog to Digital Converter (ADC) Calibration Driver

Analog to Digital Converter (ADC) Continuous Mode Driver

Analog to Digital Converter (ADC) Oneshot Mode Driver

Clock Tree

Digital To Analog Converter (DAC)

ESP32-WROOM-32SE (Secure Element)

General Purpose Timer (GPTimer)

GPIO & RTC GPIO

Inter-IC Sound (I2S)

Inter-Integrated Circuit (I2C)

LCD

LED Control (LEDC)

Motor Control Pulse Width Modulator (MCPWM)

Pulse Counter (PCNT)

Remote Control Transceiver (RMT)

SD Pull-up Requirements

SD SPI Host Driver

SDIO Card Slave Driver

SDMMC Host Driver

Sharing the SPI Bus Among SD Cards and Other SPI Devices

Sigma-Delta Modulation (SDM)

SPI Features

SPI Master Driver

SPI Slave Driver

Touch Sensor

Two-Wire Automotive Interface (TWAI)

Universal Asynchronous Receiver/Transmitter (UART)

SPI Flash API

Provisioning API

index

Protocol Communication

Unified Provisioning

Wi-Fi Provisioning

Storage API

index

FAT Filesystem Support

Generating and Parsing FATFS on Host

Manufacturing Utility

Non-Volatile Storage Library

NVS Encryption

NVS Partition Generator Utility

NVS Partition Parser Utility

Partitions API

SD/SDIO/MMC Driver

SPIFFS Filesystem

Virtual Filesystem Component

Wear Levelling API

System API

index

App Image Format

Application Level Tracing

Bootloader Image Format

Call Function with External Stack

Chip Revision

Console

eFuse Manager

Error Code and Helper Functions

ESP HTTPS OTA

ESP32 ULP Coprocessor Instruction Set

Event Loop Library

FreeRTOS (IDF)

FreeRTOS (Supplemental Features)

FreeRTOS Overview

Heap Memory Allocation

Heap Memory Debugging

High Resolution Timer (ESP Timer)

Himem

Inter-Processor Call (IPC)

Internal and Unstable APIs

Interrupt Allocation

Logging library

Memory Management for MMU Supported Memory

Miscellaneous System APIs

Over The Air Updates (OTA)

Performance Monitor

POSIX Threads Support

Power Management

Programming ULP FSM Coprocessor Using C Macros (Legacy)

Random Number Generation

Sleep Modes

SoC Capabilities

System Time

ULP Coprocessor Programming

Watchdogs

Contributions Guide

index

Contributor Agreement

Copyright Header Guide

Creating Examples

Documenting Code

Espressif IoT Development Framework Style Guide

Install Pre-commit Hook for ESP-IDF Project

pytest in ESP-IDF

Hardware Reference

index

esp32

ESP-WROVER-KIT V2 Getting Started Guide

ESP-WROVER-KIT V3 Getting Started Guide

ESP-WROVER-KIT V4.1 Getting Started Guide

ESP32-DevKitC V2 Getting Started Guide

ESP32-DevKitC V4 Getting Started Guide

ESP32-DevKitM-1

ESP32-DevKitS(-R)

ESP32-Ethernet-Kit V1.0 Getting Started Guide

ESP32-Ethernet-Kit V1.1 Getting Started Guide

ESP32-Ethernet-Kit V1.2 Getting Started Guide

ESP32-PICO-DevKitM-2

ESP32-PICO-KIT V3 Getting Started Guide

ESP32-PICO-KIT V4/V4.1 Getting Started Guide

ESP32-PICO-KIT-1

Libraries and Frameworks

index

Cloud Frameworks

Espressif's Frameworks

Security Guides

index

Flash Encryption

Host-Based Security Workflows

Secure Boot

Secure Boot V2

Security

third-party-tools

CLion

PlatformIO

VisualGDB

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Libraries and Frameworks

Cloud Frameworks
Espressif's Frameworks

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API Guides

esp-ble-mesh

JTAG Debugging

Performance

Tools

API Reference

Application Protocols

Bluetooth® API

Networking APIs

Peripherals API

Provisioning API

Storage API

System API

Contributions Guide

Hardware Reference

esp32

Libraries and Frameworks

Security Guides

third-party-tools

Libraries and Frameworks ​

Libraries and Frameworks