This document introduces the readers to the hardware specifications of ESP-WROOM-02.

This document introduces the hardware specifications of ESP-WROOM-S2.

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

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.

This application note describes the recommended placement of the antenna on a host board to ensure optimal RF performance.

Schematics, PCB layout, gerber and BOM files of ESP8266-DevKitC-V1.

ESP-WROOM-S2 hardware downloading resources, manufacturing specifications, BOM, schematics.

ESP-WROOM-02D and ESP-WROOM-02U module reference design resources, including schematics, PCB layout, gerber files, and BOM lists.  

This document provides introduction to the interfaces integrated on ESP8266. Functional overview, parameter configuration, function description, application demos and other information is included.

ESP8266-DevKitC Getting Started Guide

For AT_V1.6.1 based on ESP8266_NONOS_SDK_V2.2.0

This document is a quick user guide to getting started with ESP8266.

This document is the SSL user guide based on ESP8266_NONOS_SDK.

This document is the ESP8266 Non-OS SDK IoT Demo Guide.

This document is the API reference for ESP8266_NONOS_SDK_V2.2.0.

This document introduces the ESP8266 sleep modes and some relevant low-power solutions.

This document introduces a downloading protocol for ESP8266 firmware.

This guide introduces the methods of identifying the causes of ESP8266 reset and common Fatal exceptions.

The document outlines how PROGMEM may be used to save RAM on the ESP8266EX when using the Arduino IDE.

This document explains how to upgrade ESP8266 firmware over Espressif Cloud through Wi-Fi.

This document introduces ESP-TOUCH protocol and the relevant application.

This document introduces the ESP-NOW technology developed by Espressif. The document focuses on ESP-NOW features, their uses and the demo code.