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Building Bluetooth Low Energy Systems

Building Bluetooth Low Energy Systems

By : Usama bin Aftab
3.7 (3)
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Building Bluetooth Low Energy Systems

Building Bluetooth Low Energy Systems

3.7 (3)
By: Usama bin Aftab

Overview of this book

Bluetooth Low Energy (BLE) is a Wireless Personal Area network technology aimed at novel applications for smart devices. High-tech BLE profiles and services are being increasingly used by application developers and hardware enthusiasts to allow devices to interact with the surrounding world. This book will focus on a technical introduction to BLE and how it is reshaping small-distance communication. We will start with IoT, where many technologies such as BLE, Zigbee, and IEEE 802.15.4 Mesh will be introduced. The book will present BLE from an engineering perspective, from which the protocol stack, architecture, and layers are discussed. You will learn to implement customized projects for Peripheral/Central communication, BLE Beacons, indoor navigation using triangulation, and the Internet gateway for Bluetooth Low Energy Personal Network, all using various code samples and APIs on Android, iOS, and the Web. Finally, the book will conclude with a glimpse into future technologies destined to be prominent in years to come.
Table of Contents (9 chapters)
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Implementing the Bluetooth gateway explorer v2 


Until now, we've looked at the Bluetooth gateway/server implementation written in Node.js. In this section, we will study the gateway explorer v2 implementation of Bluetooth SIG. You can find the code in ~/BluetoothGateway/navible. A gateway explorer is a simple web application written in Node.js. Its true potential lies in developing your own client application and then calling the gateway URLs but, for the sake of simplicity, we will define the standard Bluetooth client made by the SIG. The interface of the gateway explorer looks like this:

It is a single-page application with three tabs on the top and two buttons to provide scanning and refreshing functionalities. I'll assume you have web development knowledge and will only focus on the Bluetooth connectivity. In case you do not have web development knowledge, you can develop a client on any platform (for example, Android and iOS) and link it to the gateway IP address. For this application...

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