NodeMCU X

BrowserX

Raspberry Pi 2X

MQTT

MQTT-Broker

Sensor

Sensor

Browser

Browser

Mobile

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wifi

1.Raspberry Pi 2MQTT-Broker

Mosquitto config file

mosquitto.conf# Default listener# ====================port 1883listener 11111protocol websocketslistener 22222protocol mqtt

2.NodeMCUSensor

NodeMCUAn open-source firmware and development kit that helps you

to prototype your IOT product within a few Lua script lines

NodeMCU FlasherA firmware programmer for NodeMCU DEVKIT.

LuaLoaderLuaLoader is a Windows program for uploading files to the

ESP8266(NodeMCU) and working with the Lua serial interface.

3.Terminalscontroller

Paho Javascript ClientThe Paho JavaScript Client is a browser-based library that

uses WebSockets to connect to an MQTT server.<script src="./script/mqttws31.js" type="text/javascript"></script>

MODE

THANKS!

Any questions?