• Documentation

    Espressif Documentation Feedback link is now available.
    Come and submit your first feedback!

Technical Documents

Found 132 results
  • Collapse all
  • Expand all
Select All Title Body Version Release Date Download
ESP32-S2 Hardware Design Guidelines

The guidelines outline recommended design practices when developing standalone or add-on systems based on the ESP32-S2 series of products.

V1.1 2020.11.18
Espressif Products 
Ordering Information

Espressif Products
 Ordering Information.

V4.7 2020.11.06
ESP32-PICO-V3-ZERO Datasheet
This document introduces the specifications of ESP32-PICO-V3-ZERO hardware, including overview, pin definitions, functional description, peripherals, and electrical characteristics, etc. V1.0 2020.11.03
ESP32-WROVER-E & ESP32-WROVER-IE Datasheet

This document introduces the specifications of ESP32-WROVER-E and ESP32-WROVER-IE hardware, including overview, pin definitions, functional description, peripherals, and electrical characteristics, etc.  

V1.2 2020.11.02
ESP32-WROOM-32E & ESP32-WROOM-32UE Datasheet

This document introduces the specifications of ESP32-WROOM-32E and ESP32-WROOM-32UE hardware, including overview, pin definitions, functional description, peripherals, and electrical characteristics, etc.

V1.1 2020.11.02
ESP8266EX Datasheet

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

V6.6 2020.10.30
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
ESP-WROOM-S2 Datasheet

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

V2.4 2020.10.19
ESP-PSRAM16H Datasheet

This datasheet provides the specifications of ESP-PSRAM16H.

V1.1 2020.10.13
ESP-PSRAM64 & ESP-PSRAM64H Datasheet

This document provides the specs of ESP-PSRAM64 & ESP-PSRAM64H.

V1.1 2020.10.13
ECO and Workarounds for Bugs in ESP32

This document details the bugs in the ESP32.

V2.3 2020.09.25
ESP32 Hardware Design Guidelines

The guidelines outline recommended design practices when developing standalone or add-on systems based on the ESP32 series of products, including ESP32 SoCs, ESP32 modules and ESP32 development boards.

V3.0 2020.09.25
ESP32-S2-MINI-1 & ESP32-S2-MINI-1U Datasheet

This document introduces the specifications of ESP32-S2-MINI-1 & ESP32-S2-MINI-1U hardware, including overview, pin definitions, functional description, peripherals, and electrical characteristics, etc.

V0.5 2020.09.23
ESP32-S2 Datasheet

This document provides the specifications of chip ESP32-S2.

V1.1 2020.09.07
ESP32 Technical Reference Manual

The manual provides detailed and complete information on how to use the ESP32 memory and peripherals. 

V4.3 2020.09.04
ESP8266 SDK Getting Started Guide (For SDK V2.X and earlier versions only)

This document takes ESP-LAUNCHER and ESP-WROOM-02 as examples to introduce how to use the ESP8266 SDK V2.X and earlier versions.

For the new ESP8266_RTOS_SDK (ESP-IDF style) V3.0 and later versions, please see ESP8266_RTOS_SDK/docs.

V3.4 2020.09.03
ESP8266 Non-OS SDK API Reference

This document is the API reference for ESP8266_NONOS_SDK_V2.2.0.

V3.0.2 2020.09.02
ESP8266 Non-OS AT Instruction Set

AT based on ESP8266_NONOS_SDK.

V3.0.3 2020.08.25
ESP32-PICO-V3-02 Datasheet

This document introduces the specifications of ESP32-PICO-V3-02 hardware, including overview, pin definitions, functional description, peripherals, and electrical characteristics, etc.  

V0.5 2020.08.24
ESP32-S2 Technical Reference Manual

The manual provides detailed and complete information on how to use the ESP32-S2 memory and peripherals. 

V0.6 2020.08.12
ESP32-WROOM-32E-V1.2 Reference Design
Schematics, PCB layout, gerber and BOM files of ESP32-WROOM-32E-V1.2. V1.2 2020.08.12
ESP32-WROOM-32UE Reference Design

Schematics, PCB layout, gerber and BOM files of ESP32-WROOM-32UE.

V1.0 2020.08.12
ESP32-WROVER-E-V1.2 Reference Design

Schematics, PCB layout, gerber and BOM files of ESP32-WROVER-E.

V1.2 2020.08.12
ESP32-WROVER-IE-V1.2 Reference Design
Schematics, PCB layout, gerber and BOM files of ESP32-WROVER-IE. V1.2 2020.08.12
ESP32 ECO V3 User Guide

This document describes differences between V3 and previous ESP32 silicon wafer revisions.

V1.1 2020.07.31
ESP32-S2-WROOM & ESP32-S2-WROOM-I Datasheet

This document introduces the specifications of ESP32-S2-WROOM and ESP32-S2-WROOM-I hardware, including an overview, pin definitions, functional description, peripherals, electrical characteristics, etc.

V1.1 2020.07.31
ESP32-LyraTD-DSPG User Guide

This document introduces to users the ESP32-LyraTD-DSPG development board, focusing on specifications, flashing the firmware, network configuration, and interactive function.

V1.1 2020.07.27
ESP-WROOM-02D/ESP-WROOM-02U Datasheet

This document introduces the hardware specifications of ESP-WROOM-02D and ESP-WROOM-02U.

V1.7 2020.07.17
ESP-WROOM-02 Datasheet

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

V3.2 2020.07.17
ESP8285 Datasheet

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

V2.2 2020.07.17
Espressif Production Testing Guide

This guide mainly describes the production testing schemes available for Espressif Wi-Fi products (Wi-Fi module/Chip Onboard), thus providing reference for the production testing of customer products.

V1.1 2020.06.24
ESP32-S2-WROVER & ESP32-S2-WROVER-I Datasheet

This document introduces the specifications of ESP32-S2-WROVER and ESP32-S2-WROVER-I hardware, including overview, pin definitions, functional description, peripherals, and electrical characteristics, etc.  

V1.0 2020.06.05
ESP32-S2-Kaluga-1 Kit User Guide

This user guide provides information on ESP32-S2-Kaluga-1 kit, a small-sized ESP32-S2 based development board produced by Espressif.

latest 2020.05.29
ESP32 Datasheet

This document provides the specifications of ESP32 family of chips.

V3.4 2020.04.28
ESP32-PICO-V3 Datasheet

This document provides the specifications for the ESP32-PICO-V3 SiP.

V1.0 2020.04.16
ESP32-Korvo V1.1 User Guide

This user guide provides information on ESP32-Korvo V1.1, a dual-core ESP32-based audio development board with microphone arrays.

latest 2020.04.13
ESP32-DevKitS-V1.1 Reference Design

ESP32-DevKitS reference design resources, including schematics, PCB layout, gerber files, and BOM list.

V1.1 2020.04.08
ESP-DSP Library User Guide

ESP-DSP is the official DSP library for the ESP32 chip.

latest 2020.03.30
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

libat_core.a is AT Command Core, and it is the core of AT command, including the default AT instruction set, the AT command parsing, execution and responding. The demo is the AT command set based on uart.

latest 2020.03.30
ESP-Skainet Voice Recognition Development Guide

ESP-Skainet is Espressif's intelligent voice assistant, which currently supports the Wake Word Engine and Speech Commands Recognition.

latest 2020.03.30
ESP32-Vaquita-DSPG User Guide
This user guide provides information on ESP32-Vaquita-DSPG. latest 2020.03.30
Espressif Audio Development Guide

This is the documentation for Espressif Audio Development Framework (ADF).

latest 2020.03.28
ESP-WIFI-MESH Development Guide

ESP-MDF, or Espressif Mesh Development Framework, is a development framework for ESP-WIFI-MESH, a networking protocol built on top of the Wi-Fi protocol. ESP-MDF is based on the ESP32 chip.

latest 2020.03.28
ESP-WHO Face Recognition Development Guide

ESP-WHO is a face detection and recognition platform that is currently based on Espressif Systems' ESP32 chip.

latest 2020.03.28
Espressif IoT Solution Development Guide

This is a IoT solution development guide.

latest 2020.03.28
ESP-Jumpstart Development Guide

ESP-Jumpstart is focused on building products on ESP32. It is a quick-way to get started into your product development process.

latest 2020.03.28
ESP32-S2-Saola-1 User Guide

This user guide provides information on ESP32-S2-Saola-1, a small-sized ESP32-S2 based development board produced by Espressif.

latest 2020.03.27
ESP-EYE_V2.1 Reference Design

The ESP-EYE development board reference design resources, including schematics, PCB layout, gerber files, and BOM lists.

V2.1-r1.1 2020.03.24
ESP32-DevKitS(-R) User Guide

This user guide provides information on ESP32-DevKitS(-R), an ESP32-based flashing board produced by Espressif. ESP32-DevKitS(-R) is a combination of two board names: ESP32-DevKitS and ESP32-DevKitS-R. S stands for springs, and R stands for WROVER.

latest 2020.03.20
ESP32-S2-WROVER-V1.6 Reference Design r1.0

ESP32-S2-WROVER reference design resources, including schematics, PCB layout, gerber files, and BOM list.

V1.6-r1.0 2020.03.16
ESP32-S2-WROVER-I-V1.6 Reference Design r1.0

ESP32-S2-WROVER-I reference design resources, including schematics, PCB layout, gerber files, and BOM list.

V1.6-r1.0 2020.03.16
ESP32-WROVER-B Datasheet

This document provides the specifications for the ESP32-WROVER-B modules with PCB antenna and IPEX antenna.

V1.4 2020.03.13
ESP32-S2-WROOM-V1.6 Reference Design r1.0

ESP32-S2-WROOM reference design resources, including schematics, PCB layout, gerber files, and BOM list.

V1.6-r1.0 2020.03.12
ESP32-S2-WROOM-I-V1.6 Reference Design r1.0

ESP32-S2-WROOM-I reference design resources, including schematics, PCB layout, gerber files, and BOM list.

V1.6-r1.0 2020.03.12
ESP-IDF Programming Guide

This is the documentation for Espressif IoT Development Framework (ESP-IDF). ESP-IDF is the official development framework for the ESP32 chip.

release-v4.0 2020.03.10
ESP-IDF Programming Guide

This is the documentation for Espressif IoT Development Framework (ESP-IDF). ESP-IDF is the official development framework for the ESP32 chip.

release-v4.1 2020.03.10
Commercial FAQs
V1.0 2020.03.05
ESP32-Sense Kit Reference Design

Schematics, PCB layout, Gerber and BOM files of ESP32-Sense Kit, the touch sensor development kit based on ESP32.

V3.2-r1.0 2020.02.27
ESP-Prog Reference Design

Schematics, PCB layout, Gerber and BOM files of ESP-Prog, a debug tool.

V2.1-r1.0 2020.02.27
ESP8266-DevKitS-V1 Reference Design

Schematics, PCB layout, gerber and BOM files, and spring design files of ESP8266-DevKitS-V1.

V1.0 2020.02.26
ESP8266-DevKitS User Guide

This user guide provides information on ESP8266-DevKitS-development board.

V1.0 2020.02.26
ESP-WROOM-S2 Reference Design

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

V2.1 2020.01.15
ESP-WROOM-02 Reference Design

ESP-WROOM-02 hardware downloading resources, manufacturing specifications, BOM, schematics.

V1.1 2020.01.15
ESP32-SOLO-1-V1 Reference Design r1.1

ESP32-SOLO-1 reference design resources, including schematics, PCB layout, gerber files, and BOM list.

V1-r1.1 2020.01.15
ESP32-DevKitC-V4 Reference Design r2.1

Schematics, PCB layout, Gerber and BOM files of ESP32-DevKitC-V4.

V4-r2.1 2020.01.15
ESP8266 IDF AT Instruction Set

AT based on ESP8266_RTOS_SDK.

V2.0 2020.01.08
ESP32-WROOM-32SE Datasheet

This document introduces the specifications of ESP32-WROOM-32SE hardware, including overview, pin definitions, functional description, peripherals, and electrical characteristics, etc.

V1.0 2019.12.10
ESP32-PICO-D4 Datasheet

This document introduces the specifications of ESP32-PICO-D4 hardware, including overview, pin definitions, functional description, peripherals, and electrical characteristics, etc.

V1.7 2019.12.03
WakeNet Introduction
Latest 2019.11.25
ESP32-LyraT Getting Started Guide

This guide provides users with functional descriptions, configuration options for ESP32-LyraT V4.3 audio development board, as well as how to get started with the ESP32-LyraT board. 

Latest 2019.11.25
ESP32 Bluetooth Architecture

This document introduces the ESP32 Bluetooth architecture.

V1.1 2019.11.20
ESP-Skainet Introduction
Latest 2019.11.19
ESP32 Bluetooth Networking User Guide

This document provides examples of using ESP32 for Bluetooth Networking for IoT devices, and introduces APIs related to networking development.

V1.2 2019.11.18
ESP32-LyraTD-SYNA User Guide

This document introduces to users the ESP32-LyraTD-SYNA development board, focusing on specifications, flashing the firmware, network configuration, and interactive function.

V1.1 2019.10.22
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.

V2.6 2019.10.01
ESP32-LyraT-Mini Getting Started Guide

This guide shows how to get started with the ESP32-LyraT-Mini development board and also provides information about its functionality and configuration options.

Latest 2019.09.20
ESP32-WROOM-32D & ESP32-WROOM-32U Datasheet

This document introduces the hardware specifications of ESP32-WROOM-32D and ESP32-WROOM-32U Datasheet.

V1.9 2019.09.05
ESP32-WROOM-32 Datasheet

This document introduces the specifications of ESP32-WROOM-32 hardware, including an overview, pin definitions, functional description, peripherals, electrical characteristics, etc.

V2.9 2019.09.05
ESP32-SOLO-1 Datasheet

This document provides the specifications for the ESP32-SOLO-1 module.

V1.6 2019.09.05
ESP32-WROVER Datasheet

This document introduces the specifications of ESP32-WROVER hardware, including overview, pin definitions, functional description, peripherals, and electrical characteristics, etc.  

V2.2 2019.09.05
ESP32-Ethernet-Kit Getting Started Guide

This guide shows how to get started with the ESP32-Ethernet-Kit development board and also provides information about its functionality and configuration options.

latest 2019.08.28
ESP32-LyraTD-MSC Getting Started Guide

This guide provides users with functional descriptions, configuration options for ESP32-LyraTD-MSC V2.2 audio development board, as well as how to get started with the ESP32-LyraTD-MSC board.

Latest 2019.08.02
ESP8266 Low Power Solutions

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

V1.5 2019.08.01
ESP32 AT Instruction Set and Examples

This document introduces the ESP32 AT commands, explains how to use them and provides examples of several common AT commands.

V1.3 2019.06.28
ESP32-WROVER-B-V1 Reference Design r1.0

ESP32-WROVER-B reference design resources, including schematics, PCB layout, gerber files, and BOM list.

V1-r1.0 2019.03.15
ESP8266EX FAQs

The document lists the FAQ about ESP8266EX and the answers.

V1.7 2019.03.13
Geolocating with ESP8266

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

V1.11 2019.03.08
ESP32 Audio Design Guidelines

The guidelines outline recommended design practices when developing Audio products based on the ESP32.

V1.0 2019.01.25
ESP32-WROVER-V4 Reference Design r2.1

ESP32-WROVER module reference design resources, including schematics, PCB layout, gerber files, and BOM lists.

V4-r2.1 2019.01.23
ESP-EYE Getting Started Guide

The getting started guide for the ESP-EYE AIOT development board.

V1.0 2019.01.15
Test Fixture Manufacturing Instruction

This document provides instructions on the manufacturing of the test fixtures for Espressif's Wi-Fi modules, in an effort to avoid problems caused by the lack of standardized fixtures during the module production and testing.

V1.1 2019.01.07
ESP8266 Pin List
V1.3 2018.12.13
ESP32 Phy Init Bin Parameter Configuration Guide

This guide provides the parameter configuration for ESP32 phy init bin.

V1.0 2018.12.06
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
ESP32 FAQs

The document lists the FAQ about ESP32 and the answers.

V1.1 2018.10.30
ESP32-Azure IoT Kit Hardware Design Guide

The ESP32-Azure IoT Kit Hardware Design Guidelines introduces the block diagram, PCB layout and function modules of the development board ESP32-Azure IoT Kit.

V1.0 2018.10.26
ESP8266-DevKitC-V1 Reference Design

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

V1.0 2018.08.14
ESP8266-DevKitC Getting Started Guide

ESP8266-DevKitC Getting Started Guide

V1.0 2018.08.14
ESP32-MeshKit-Light User Guide

This document introduces to users the ESP32-MeshKit-Light, focusing on specifications, features, handling, etc.

V1.1 2018.08.01
Espressif's Chip-Packing Information

This document summarizes the packing requirements of Espressif’s chip products, including the packing method, packing-material dimensions, standard packing quantity, labels, dry-packing requirements and marking conventions.

V1.3 2018.07.30
ESP32-MeshKit-Sense Hardware Design Guidelines

The ESP32-MeshKit-Sense Hardware Design Guidelines introduces the block diagram, PCB layout and function modules of the development board ESP32-MeshKit-Sense.

V1.0 2018.07.16
ESP-TOUCH User Guide

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

V2.0 2018.06.08
ESP32-WROOM-32D-V2.2 & ESP32-WROOM-32U-V2.1 Reference Design r1.0

ESP32-WROOM-32D/ESP32-WROOM-32U module reference design resources, including schematics, PCB layout, gerber files, and BOM list. 

r1.0 2018.05.31
ESP32-PICO-KIT-V4.1 Reference Design r1.0

ESP32-PICO-KIT module reference design resources, including schematics, PCB layout, gerber files, and BOM lists.

V4.1-r1.0 2018.05.15
ESP32-DevKitC-V2 Reference Design r1.0

Schematics, PCB layout, gerber and BOM files of ESP32-DevKitC-V2.

V2-r1.0 2018.05.08
ESP-LAUNCHER and ESP-Test Board Reference Design

ESP-LAUNCHER, ESP-Test Board, hardware downloading resources, manufacturing specifications, BOM, schematics.

V1.0 2018.05.08
ESP32-WROOM-32 Reference Design V1.1 (recommended for developers who design modules themselves) r1.0

ESP32-WROOM-32 reference design resources, including schematics, PCB layout, gerber files, and BOM list. The reference design for ESP32-WROOM-32, contained in this zip file, is V1.1, which is recommended for developers who design modules themselves.

V1.1-r1.0 2018.05.08
ESP32-WROOM-32 Reference Design V1.0 (for mass-produced modules) r1.0

ESP32-WROOM-32 module reference design resources, including schematics, PCB layout, gerber files, and BOM list. This reference design is V1.0, which is used as reference by purchasers of Espressif's mass-produced modules. 

V1.0-r1.0 2018.05.08
ESP-WROOM-02D/ESP-WROOM-02U Reference Design

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

V1.0 2018.04.24
Espressif HomeKit SDK Product Brief

This document provides introduction to the Espressif HomeKit SDK.

V1.1 2018.03.27
ESP8266 SDK Getting Started Guide

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

V3.0 2018.03.06
ESP8266 RTOS SDK API Reference (For SDK V2.X and earlier versions only)

This document is the API reference for ESP8266_RTOS_SDK V2.X and earlier versions.

For the new ESP8266_RTOS_SDK (ESP-IDF style) V3.0 and later versions, please see ESP8266_RTOS_SDK/docs.

V2.0 2018.03.06
ESP32 BT&BLE Dual-mode Bluetooth

This document introduces the ESP32 BT&BLE dual-mode bluetooth.

V1.0 2018.02.11
ESP8266 Non-OS SDK SSL User Manual

This document is the SSL user guide based on ESP8266_NONOS_SDK.

V2.0 2018.01.16
ESP32-PICO-KIT Getting Started Guide

This user guide shows how to get started with the ESP32-PICO-KIT V4 mini development board. 

latest 2017.12.26
ESP8266 SDK Application Note Firmware Download Protocol

This document introduces a downloading protocol for ESP8266 firmware.

V1.2 2017.11.15
ESP8266 AT Command Examples

This document introduces the ESP8266 AT commands and explains how to use them and provides examples of several common AT commands.

V1.3 2017.08.15
JTAG Debugging for ESP32

This document provides a guide to installing OpenOCD for ESP32 and debugging using GDB.

latest 2017.08.02
ESP32-DevKitC Getting Started Guide

The getting started guide for the ESP32-DevKitC development board.

latest 2017.07.28
ESP-IDF Getting Started Guide

This document is the ESP-IDF getting started guide.

latest 2017.07.28
ESP-WROVER-KIT Getting Started Guide

The getting started guide for ESP-WROVER-KIT.

latest 2017.07.27
ESP32 Flash Encryption Guide

This document introduces the flash encryption feature of ESP32.

latest 2017.07.27
ESP8266 Quick Start Guide (For SDK V2.X and earlier versions only)

This document is a quick user guide to getting started with the old version ESP8266 SDK V2.X and earlier versions.

For the new ESP8266_RTOS_SDK (ESP-IDF style) V3.0 and later versions, please see ESP8266_RTOS_SDK/docs.

V1.4 2017.05.12
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
ESP-WROOM-S2 Hardware Evaluation Platform

This document provides the introduction to ESP-WROOM-S2 Hardware Evaluation Platform.

V1.0 2016.09.01
Simple-Pair User Guide

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

V1.0 2016.07.20
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.

V1.0 2016.07.20
ESP-WROOM-02 PCB Design and Module Placement Guide

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

V1.0 2016.06.30




Product Series

ESP32-S2 Series

ESP32 Series

ESP8266 Series

ESP8089 Series

Other

Part Number

Document type