Technical Documents

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ESP8266 Test Tools and Guidelines
This document provides resources to support the development and production of products based on ESP8266 series of chips and modules. latest 2025.08.15
Espressif KiCad Library
Espressif KiCad Library repository contains the Symbols, Footprint, and 3D Models for the Espressif SoC and Modules family. latest 2025.05.28
ESP-IDF Extension for VSCode
The ESP-IDF extension for VSCode enables developers to efficiently develop, build, flash, debug, and manage projects for Espressif chips using ESP-IDF. Integrated with Visual Studio Code, it offers a familiar and streamlined workflow. This documentation guides users of all levels in setting up, configuring, and using the extension to maximize the potential of Espressif chips for IoT applications. latest 2025.05.22
ESP-FAQ
This document provides frequently asked questions on Espressif's products. latest 2025.05.14
IDF Component Manager and ESP Component Registry Documentation
This documentation introduces the IDF Component Manager and the ESP Component Registry. The IDF Component Manager helps developers add components to ESP-IDF projects, whether created by Espressif or the community. The ESP Component Registry (components.espressif.com) is a central repository for these components, compatible with ESP-IDF and accessible through the Component Manager. Using the Component Manager, developers can simplify the process of extending project functionality. latest 2025.05.13
esp-idf-kconfig
This documentation covers the esp-idf-kconfig project, a Python library for working with Kconfig files used in ESP-IDF or standalone. It includes core kconfiglib and menuconfig functionality, plus extensions like kconfcheck, kconfserver, and kconfgen. The package supports compile-time configuration and welcomes contributions. More info is in the ESP-IDF docs or Linux kernel Kconfig documentation. latest 2025.04.30
esptool.py Programming Guide for ESP8266
This is the documentation for esptool.py, a Python-based, open-source, platform-independent utility for flashing, provisioning, and interacting with Espressif SoCs. latest 2025.03.20
ESP8266 Series Product Packaging Information
This document summarizes the packaging requirements of Espressif’s ESP8266 series of products, including the product silk marking, dry-packing requirements, and product packing. latest 2025.03.19
ESP Insights Programming Guide
ESP Insights is a remote diagnostics solution that allows users to remotely monitor the health of ESP devices in the field. latest 2025.02.21
ESP Insights Programming Guide (Beta)
Elaborative usage and feature documentation about ESP Insights. latest 2025.01.23
ESP-AT User Guide for ESP8266, SDK v2.2.0.0
The ESP-AT User Guide provides comprehensive guidance on using AT commands to control chips by Espressif, enabling easy integration of Wi-Fi functionalities. It covers the setup, configuration, and advanced features of the ESP-AT firmware, offering developers a powerful toolset for embedded IoT applications. v2.2.0.0 2024.11.11
ESP8266 Hardware Design Guidelines
The ESP8266 Hardware Design Guidelines outlines recommended design practices when developing standalone or add-on systems based on the ESP8266 series of products, including the ESP8266, the ESP-WROOM modules, and ESP-Launcher—the development board. v2.8 2024.10.31
ESP-NOW User Guide
This document introduces the ESP-NOW technology developed by Espressif. The document focuses on ESP-NOW features, their uses and the demo code. latest 2024.01.12
ESP8266EX Datasheet

This document introduces the specifications of ESP8266EX hardware, including overview, pin definitions, functional description, peripherals, and electrical characteristics, etc.

v7.0 2023.06.14
ESP8285 Datasheet

This document introduces the specifications of ESP8285, including pin definitions, functional description, electrical specifications, package information, etc.

v2.5 2023.06.14
ESP8266 IDF AT Instruction Set

AT Instruction Set based on ESP8266_RTOS_SDK.

v2.2 2021.08.05
ESP8266 Technical Reference Manual
This document provides introduction to the interfaces integrated on ESP8266. Functional overview, parameter configuration, function description, application demos and other information is included. v1.7 2020.10.21
Espressif ESP8266 RTOS Development Guide

ESP8266_RTOS_SDK is the official development framework for the ESP8266EX chip.

latest 2020.03.30
ESP-AT Instruction User Guide

ESP-AT is a solution developed by Espressif to quickly and easily interface with Espressif products. Espressif SoCs serve as add-on modules, easily integrating wireless connectivity into existing products. To reduce development costs, Espressif offers a set of AT commands that enable users to interface with Espressif products.

latest 2020.03.30
ESP8266 Low Power Solutions
This document introduces the ESP8266 sleep modes and some relevant low-power solutions. v1.5 2019.08.01
Geolocating with ESP8266

This documents introduces how to obtain a device location with ESP8266.

V1.11 2019.03.08
ESP8266 Pin List

This file provides a list of available pins and their functions on ESP8266.

V1.3 2018.12.13
ESP8266 Phy Init Bin Parameter Configuration Guide
This guide provides the parameter configuration for ESP8266 phy init bin. v1.0 2018.12.06
ESP8266 Hardware Matching Guide

This document introduces frequency offset tuning and antenna impedance matching for ESP8266 in order to achieve optimum RF performance.

v1.1 2018.11.22
ESP8266-DevKitC Getting Started Guide

ESP8266-DevKitC Getting Started Guide

v1.0 2018.08.14
ESP-TOUCH User Guide
This document introduces ESP-TOUCH protocol and the relevant application. latest 2018.06.08
ESP8266 SDK Getting Started Guide

For ESP8266_RTOS_SDK V3.0 and later versions (ESP-IDF style).

v3.0 2018.03.06
ESP8266 SDK Application Note Firmware Download Protocol
This document introduces a downloading protocol for ESP8266 firmware. V1.2 2017.11.15
Jump Test of ESP8266's Secondary Bootloader (v1.6+)

This document introduces the jump test of ESP8266's secondary bootloader (V1.6+).

V2.0 2017.05.09
ESP8266 Reset Causes and Common Fatal Exception Causes
This guide introduces the methods of identifying the causes of ESP8266 reset and common Fatal exceptions. V1.0 2017.04.24
ESP8266 Wi-Fi Channel Selection Guidelines

This document provides ESP8266 Wi-Fi channel selection guidelines.

V1.0 2017.04.20




Product Series

ESP32-P4 Series

ESP32-S3 Series

ESP32-S2 Series

ESP32-C61 Series

ESP32-C6 Series

ESP32-C5 Series

ESP32-C3 Series

ESP32-C2 Series

ESP32-H2 Series

ESP32 Series

ESP8266 Series

ESP8089 Series

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