This article describes how to implement an IoT notification system. A notification is a way we can use to send alarms or other kinds of information to users. This post details, step by step, how to build an IoT notification system using a few lines of code and integrating existing cloud platforms. The aim is to send a notification to ...

Android Things GPIO pins are used to interact with external devices. GPIO stands for General Purpose Input Output and it is an interface to read the state of an external device. In this article, we will discover how we can use Android Things GPIO pins to control DC motors building a remote controlled car. At the end of this article, ...

Building a Restful API interface using Android Things is useful whenever we have to connect Android Things to an external system. This article explains how to build a Restful API interface using Android Things so that other apps or applications can invoke this API. There are several scenarios, where Android Things has to be integrated with external systems and it ...

In this article, we cover how to develop an Android IoT app that uses Android Things. In more details, this Android IoT app will send data, acquired from the sensors, to the cloud. This IoT app helps us to introduce some important aspects about programming Android Things app that uses sensors. As you may already know, Android Things is the ...

This article describes how to synchronize Android Things with Firebase so that we can control an RGB LED remotely in real time. In more details, this project shows how to control a remote RGB LED real time over the air changing some value in the Firebase database. As you may already know Android Things is a branch of Android OS ...

In this post, we will describe how to use voice to control IoT devices. In other words, in this article, we will use our voice to send a set of commands to an IoT device. During this post, we will build a voice-activated IoT project. This is an interesting topic because this project uses a different way to interact with ...

This post describes how to implement MQTT security. In more details, we will describe how to securing Mosquitto MQTT server. As you may already know MQTT is one of the most important protocols widely used in Internet of things and in Industrial Internet of things. MQTT is a lightweight messaging oriented protocol where MQTT client exchanges messages through an MQTT server ...

This IoT project explores how to integrate Arduino with Yahoo! Weather. Internet of things (IoT project) is the next big thing in the near feature. This technology is growing fast and there are many objects that begin talking each other using internet. Prototyping platforms like Arduino and Raspberry PI are supporting these innovations and help many developers to create interesting Internet ...

In this tutorial, we will cover how to implement an Android Things bot to execute tasks. This is an interesting topic because it mixes two emerging technologies as Internet of Things (IoT) and bots. As you may know, Android Things is the new Google OS built for Internet of things. This OS helps you developing professional IoT projects without knowing much about ...