IoT & Hardware
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You're reading from  Hands-On Embedded Programming with C++17

Product typeBook
Published inJan 2019
Reading LevelIntermediate
PublisherPackt
ISBN-139781788629300
Edition1st Edition
Languages
C++
Tools
Qt
Concepts
Embedded Systems
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Author (1)
Maya Posch
Maya Posch
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Maya Posch

Maya Posch is a senior C++ developer with more than 15 years of experience. Discovering the joys of programming early on, and later the joys of electronics, she has always expressed a profound interest in technology, a passion that she gladly shares with others. Describing herself as a C developer who happens to like C++ and Ada, she likes to seek the limits of what can be done with the minimum of code and hardware to accomplish everything that is cool, new, and exciting. She also enjoys FPGA development, AI, and robotics research, in addition to creative writing, music, and drawing.
Read more about Maya Posch

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Example – club room monitoring

In this section, we will be looking at a practical implementation of an SBC-based solution that performs the following functionality for a club room:

  • Monitors the status of the club door's lock
  • Monitors the club status switch
  • Sends status change notifications over MQTT
  • Provides a REST API for the current club status
  • Controls status lights
  • Controls the power in the club room

The basic use case here is that we have a club room for which we want to be able to monitor the status of its lock, and have a switch inside the club to regulate whether the non-permanent power outlets in the club are powered on or not. Turning the club status switch to on would provide power to those outlets. We also want to send out a notification over MQTT so that other devices in the club room or elsewhere can update their status.

MQTT is a simple, binary publish/subscribe protocol on top of TCP/IP. It offers a lightweight communication protocol, suitable for resource-restricted applications...

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Hands-On Embedded Programming with C++17
Published in: Jan 2019Publisher: PacktISBN-13: 9781788629300
© 2019 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Maya Posch

Maya Posch is a senior C++ developer with more than 15 years of experience. Discovering the joys of programming early on, and later the joys of electronics, she has always expressed a profound interest in technology, a passion that she gladly shares with others. Describing herself as a C developer who happens to like C++ and Ada, she likes to seek the limits of what can be done with the minimum of code and hardware to accomplish everything that is cool, new, and exciting. She also enjoys FPGA development, AI, and robotics research, in addition to creative writing, music, and drawing.
Read more about Maya Posch

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