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Author Archives: Francesco Azzola

He's a senior software engineer with more than 15 yrs old experience in JEE architecture. He's SCEA certified (Sun Certified Enterprise Architect), SCWCD, SCJP. He is an android enthusiast and he has worked for long time in the mobile development field.

What is IoT Internet of things?

What is IoT? This is a big question! Of course, IoT is the next technological revolution that promises to change the way we live and the way we work. So what is IoT? According to the most important IoT experts/ influencer, Internet of things will be a pervasive technology that will span its effects across different sectors: Transportation Healthcare Manufacturing ...

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MQTT Protocol Tutorial

MQTT protocol is a Machine to Machine (M2M) protocol widely used in Internet of things. It is a message based protocol. It is extremely light-weight and for this reason, it is adopted in IoT ecosystem. Almost all IoT cloud platforms support MQTT protocol to send and receive data from smart objects. There are several implementations for different IoT boards like Arduino, ...

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Raspberry Remote Desktop: How to

This short guide describes how to enable a raspberry remote desktop. You may already know that Raspberry PI is an incredible computer that supports a modified version of Linux operating system. We can use it as a real computer because we can connect a monitor, a keyboard, a mouse and so on. Raspberry can be used in IoT projects to. ...

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IoT Push notifications: Arduino – Firebase – Android

This tutorial describes how to implement IoT push notifications. Using IoT push notifications, we can send notifications to other devices. In this case, we want to send an IoT push notifications from a smart object (like Arduino MKR1000) to a mobile smartphone (i.e. Android smartphone). This project integrates different eco-systems: IoT and Android. This project can have several implementations: for example, ...

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Push notification in Android using Firebase cloud messaging

This post covers how to send push notification in Android.  In the past, we were used to send push notification in Android using Google Cloud messaging service. Recently, it was introduced a new way to send push data using Firebase. Even if the basic principles remain the same Firebase introduced some interesting new features. Firebase supports other services like: Authentication ...

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Arduino Alternative IDE: PlatformIO IoT integrated platform

When developing Arduino sketch,  we all use Arduino IDE, anyway, there are several Arduino alternative IDE. This alternative IDEs are useful and more user-friendly. Arduino IDE is the first IDE we all use when approaching to Arduino development for the first time. It is simple and provides all the features to write, compile and upload the code to Arduino boards. It is based on Java and ...

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Android HTTP library: Handle HTTP, JSON, Images

When we develop an Android app, usually we have to connect to a remote server to get information. The connection usually is based on HTTP protocol because it provides a simple mechanism to transport information. Moreover, almost all platforms provide a set of API based on HTTP and it is very common the scenario where an Android app needs to ...

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