Hardware Required

Software Used:

Library Used:

Arduino Client for MQTT

This library provides a client for doing simple publish/subscribe messaging with a server that supports MQTT

For more information about MQTT, visit mqtt.org.


The latest version of the library can be downloaded from GitHub


The library comes with a number of example sketches. See File > Examples > PubSubClient within the Arduino application.Full API Documentation.

Compatible Hardware

The library uses the Arduino Ethernet Client api for interacting with the underlying network hardware. This means it Just Works with a growing number of boards and shields, including:

Wire Library

The Wire library allows you to communicate with I2C devices, often also called "2 wire" or "TWI" (Two Wire Interface), can download from Wire.h

Basic Usage



Steps to send data to labview vibration and temperature platform using IoT Long Range Wireless Vibration and Temperature Sensor and Long Range Wireless Mesh Modem with USB Interface:

Uploading the code to ESP32 using Arduino IDE:

Serial Monitor Output

Making the ThingSpeak Work