Exploring MQTT With The ESP8266

In any IoT project, we have a number of unique requirements and restrictions. The communication strategy to connect devices and send data between them is critically important.

In this project, we will explore a powerful, simple and lightweight messaging protocol over the wire: MQTT.

Full guide published on my blog.

Table of contents

• MQTT Basics
• Dev Environment
• ESP8266 Filesystem
• Communicating Two Devices
• Tracking Devices Status

A preview of what you can build

Communicating two devices

Tracking device status (last will message)