How to Connect MQTT Broker on ESP8266 WiFi
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This document provides a step-by-step guide for installing and setting up the Arduino IDE and ESP8266 for IoT applications. It includes instructions for configuring hardware, installing necessary libraries, and verifying MQTT connections. The guide is sourced from the Sakura Internet Research Center, dated November 2015.
How to Connect MQTT Broker on ESP8266 WiFi
- 1. 21-Nov-2015 SAKURA Internet Research Center. Senior Researcher / Naoto MATSUMOTO
- 2. Install Arduino IDE 1) Install Arduino IDE on Windows https://www.arduino.cc/en/Main/Software (Download Site) 2) Setting-up your Development Emviroment Select "File -> Preferences" SOURCE: SAKURA Internet Research Center. 11/2015 ESP8266 Arduino IDE GPIO USB Serial WiFi Router MQTT Broker
- 3. Add Additional Boards Manager 3) Setting-up Additional Boards Manager http://arduino.esp8266.com/stable/package_esp8266com_index.json 4) Select Boards Manager Select "Tools -> Board: -> Boards Manager ..." SOURCE: SAKURA Internet Research Center. 11/2015 ESP8266 Arduino IDE GPIO USB Serial WiFi Router MQTT Broker
- 4. Install ESP8266 package 5) Install ESP8266 community package and Select "Tools -> Board: -> Generic ESP8266 module. 6) Connect USB cable (e.g. ESP8266 with USB serial compatible module) NOTE: Switch DL(Download) mode for "Upload from Arduino IDE(Windwos)" SOURCE: SAKURA Internet Research Center. 11/2015 ESP8266 Arduino IDE GPIO USB Serial WiFi Router MQTT Broker
- 5. 7) Add PubSubClient Libery Select "Sketch-> Include Libray-> Manage Libraries-> PubSubClient" and Install. 8) Select MQTT Publisher (Example) "File-> Examples-> PubSubClient-> mqtt_esp8266" and setting-up your SSID and PASSWORD, MQTT Broker IP Address before Upload. Add PubSubClient Library SOURCE: SAKURA Internet Research Center. 11/2015 ESP8266 Arduino IDE GPIO USB Serial WiFi Router MQTT Broker
- 6. Check MQTT connections 9) Start MQTT Broker and Check connections # /usr/local/sbin/mosquitto -c /etc/mosquitto/mosquitto.conf 1448116708: mosquitto version 1.4.4 (build date 2015-11-09 02:09:56+0900) starting 1448116708: Config loaded from /etc/mosquitto/mosquitto.conf. : 1448116731: New connection from 192.168.11.38 on port 1883. 1448116731: New client connected from 192.168.11.38 as ESP8266Client (c1, k15). # mosquitto_sub -t "outTopic" hello world hello world #1 hello world #2 hello world #3 10) Check Heat zones (Thermal Image) SOURCE: SAKURA Internet Research Center. 11/2015 ESP8266 Arduino IDE GPIO USB Serial WiFi Router MQTT Broker