ESP8266 Firmware update

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The ESP8266 is a popular Wi-Fi module used in many IoT projects. Keeping its firmware up-to-date ensures you have the latest features, security patches, and bug fixes. Updating the firmware might seem difficult, but it's quite straightforward once you understand the steps involved. In this article, we'll explore how to update the firmware of the ESP8266 module, a crucial task for maintaining optimal performance and security. This update process can be carried out either locally, using a USB connection, or remotely via cloud. We'll examine both methods to provide a comprehensive understanding of how to keep your ESP8266 up-to-date with the latest firmware version.

Prerequisites

To better understand the ESP8266 and other modules mentioned in this guide, we suggest taking a look at the following articles:

Components

esp8266

1x ESP8266 module

$1.26 $1.01

Buy now

usb-serial

1x USB Serial adapter

$7.88 $0.98

Buy now

resistor

Resistors kit

$3.76 $3.26

Buy now

dupont

Dupont wires

$2.36 $1.86

Buy now

github

ESP8266 NonOS SDK

See releases here

Wiring schema

The wiring schema of the ESP-01 module starts with a description of its pinout, offering essential insights into the module's connections and functionalities.

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