Building Arduino Projects for the Internet of Things by Adeel Javed

Author:Adeel Javed
Language: eng
Format: epub
Publisher: Apress, Berkeley, CA

Control LED

Standard functions

External Libraries

The first section of code includes all the external libraries required to run the code. This sketch has two main dependencies—for Internet connectivity, you need to include the <WiFi.h> (assuming you are using a WiFi shield) and for the MQTT broker communication, you need to include <PubSubClient.h>.

Listing 6-12 provides the first section of the code with all the required libraries.

#include <SPI.h>

#include <WiFi.h>

#include <PubSubClient.h>

Listing 6-12.Code for Including External Dependencies

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