Instructions

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Espressif Systems

ESP8266

AT Instruction Set

Basic AT Commands

3.1.

Overview

The ESP8266 wireless Wi-Fi modules can be driven via the serial interface using the standard AT

commands. Here is a list of some basic AT commands that can be used.!

Basic

Command

Description

Test AT startup

AT+RST

Restart module

AT+GMR

View version info

AT+GSLP

Enter deep-sleep mode

ATE

AT commands echo or not

AT+RESTORE

Factory reset

AT+UART

UART conﬁguration, [@deprecated]

AT+UART_CUR

UART current conﬁguration

AT+UART_DEF

UART default conﬁguration, save to ﬂash

AT+SLEEP

Sleep mode

AT+WAKEUPGPIO

Set a GPIO to wake ESP8266 up from light-sleep mode

AT+RFPOWER

Set maximum value of RF TX Power

AT+RFVDD

Set RF TX Power according to VDD33

Espressif Systems  / Friday, July 15, 201611 73