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Build A Weather Station With Elixir And Nerves

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Build A Weather Station With Elixir And Nerves

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Author : Alexander Koutmos
language : en
Publisher: Pragmatic Bookshelf
Release Date : 2022-01-31

Build A Weather Station With Elixir And Nerves written by Alexander Koutmos and has been published by Pragmatic Bookshelf this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-01-31 with Computers categories.

The Elixir programming language has become a go-to tool for creating reliable, fault-tolerant, and robust server-side applications. Thanks to Nerves, those same exact benefits can be realized in embedded applications. This book will teach you how to structure, build, and deploy production grade Nerves applications to network-enabled devices. The weather station sensor hub project that you will be embarking upon will show you how to create a full stack IoT solution in record time. You will build everything from the embedded Nerves device to the Phoenix backend and even the Grafana time-series data visualizations. Elixir as a programming language has found its way into many different software domains, largely in part to the rock-solid foundation of the Erlang virtual machine. Thanks to the Nerves framework, Elixir has also found success in the world of embedded systems and IoT. Having access to all of the Elixir and OTP constructs such as concurrency, supervision, and immutability makes for a powerful IoT recipe. Find out how to create fault-tolerant, reliable, and robust embedded applications using the Nerves framework. Build and deploy a production-grade weather station sensor hub using Elixir and Nerves, all while leveraging the best practices established by the Nerves community for structuring and organizing Nerves applications. Capture all of your weather station sensor data using Phoenix and Ecto in a lightweight server-side application. Efficiently store and retrieve the time-series weather data collected by your device using TimescaleDB (the Postgres extension for time-series data). Finally, complete the full stack IoT solution by using Grafana to visualize all of your time-series weather station data. Discover how to create software solutions where the underlying technologies and techniques are applicable to all layers of the project. Take your project from idea to production ready in record time with Elixir and Nerves. What You Need: To complete the Nerves weather station project in this book, you will need the following: A Linux, MacOS, or Windows computer to build and deploy Nerves firmware images A Raspberry Pi Zero W or any other Nerves supported target (https://hexdocs.pm/nerves/targets.html#supported-targets-and-systems) A VEML6030 light sensor An BME680 environmental sensor An SGP30 air quality sensor Qwiic connect cables for weather sensors

Build A Weather Station With Elixir And Nerves

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Author : Alexander Koutmos
language : en
Publisher: Pragmatic Bookshelf
Release Date : 2022-01-06

Making A Weather Station

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Author : Natalie Lunis
language : en
Publisher:
Release Date : 2005

Making A Weather Station written by Natalie Lunis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Weather categories.

Proverbial Philosophy

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Author : Martin Farquhar Tupper
language : en
Publisher:
Release Date : 1847

Proverbial Philosophy written by Martin Farquhar Tupper and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1847 with Proverbs categories.

Functional Web Development With Elixir Otp And Phoenix

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Author : Lance Halvorsen
language : en
Publisher: Pragmatic Bookshelf
Release Date : 2018-01-25

Functional Web Development With Elixir Otp And Phoenix written by Lance Halvorsen and has been published by Pragmatic Bookshelf this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-01-25 with Computers categories.

Elixir and Phoenix are generating tremendous excitement as an unbeatable platform for building modern web applications. For decades OTP has helped developers create incredibly robust, scalable applications with unparalleled uptime. Make the most of them as you build a stateful web app with Elixir, OTP, and Phoenix. Model domain entities without an ORM or a database. Manage server state and keep your code clean with OTP Behaviours. Layer on a Phoenix web interface without coupling it to the business logic. Open doors to powerful new techniques that will get you thinking about web development in fundamentally new ways. Elixir and OTP provide exceptional tools to build rock-solid back-end applications that scale. In this book, you'll build a web application in a radically different way, with a back end that holds application state. You'll use persistent Phoenix Channel connections instead of HTTP's request-response, and create the full application in distinct, decoupled layers. In Part 1, start by building the business logic as a separate application, without Phoenix. Model the application domain with Elixir functions and simple data structures. By keeping state in memory instead of a database, you can reduce latency and simplify your code. In Part 2, add in the GenServer Behaviour to make managing in-memory state a breeze. Create a supervision tree to boost fault tolerance while separating error handling from business logic. Phoenix is a modern web framework you can layer on top of business logic while keeping the two completely decoupled. In Part 3, you'll do exactly that as you build a web interface with Phoenix. Bring in the application from Part 2 as a dependency to a new Phoenix project. Then use ultra-scalable Phoenix Channels to establish persistent connections between the stateful server and a stateful front-end client. You're going to love this way of building web apps! What You Need: You'll need a computer that can run Elixir version 1.5 or higher and Phoenix 1.3 or higher. Some familiarity with Elixir and Phoenix is recommended.

Rust For The Iot

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Author : Joseph Faisal Nusairat
language : en
Publisher: Apress
Release Date : 2020-08-29

Rust For The Iot written by Joseph Faisal Nusairat and has been published by Apress this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-08-29 with Computers categories.

Get started programming Rust applications for the Internet of Things (IoT). This book is a programming skills migration book that teaches you the Rust programming techniques most useful for IoT applications. You'll step through from server to board development in creating a set of IoT applications. In Rust for the IoT, you'll learn how to build a modern server side application using Rust on the backend. Then you'll use docker and Kubernetes to deploy these to a managed cloud. Finally you will use a Raspberry Pi with a SenseHat and Camera to capture the world around you and send that information to the cloud. While you will be able to follow along without any cloud or hardware, to make the most of it we recommend a few cloud pieces and hardware that is designed to integrate with the software in this book. After reading and using this book, you'll see how to apply Rust to the Internet of Things. What You Will Learn Create a modern Rust backend complete with handling eventual consistency and interacting via a GraphQL interface Use the Raspberry PI to serve as a cheap IoT device that one can easily deploy around the house Capture temperature, video, and use the interactive joystick to interact with the software you’ve created Use OpenCV to perform facial detection from the PI’s camera and save that information to the cloud. Create deployable helm charts for the cloud, and for the device create complete ISOs that allow you to easily deploy the Pi’s OS + custom software Who This Book Is For You will need to have a basic understanding of cloud application development at a minimum and the basics of Rust coding. This book is for those interested in or working with the IoT and the Raspberry Pi who want to learn how Rust can work for them.

The 10 Laws Of Career Reinvention

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Author : Pamela Mitchell
language : en
Publisher: Penguin
Release Date : 2009-12-31

The 10 Laws Of Career Reinvention written by Pamela Mitchell and has been published by Penguin this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-12-31 with Business & Economics categories.

Reinvention is the key to success in these volatile times—and Pamela Mitchell holds the key to reinvention! In The 10 Laws of Career Reinvention, America's Reinvention Coach® Pamela Mitchell offers every tool readers need to navigate the full arc of career change. Part I introduces the Reinvention Mindset, with what you need to know to be prepared mentally to get started. In Part II, you read the real-life stories of ten individuals who successfully made the leap to new and unexpected careers, using the 10 laws: The 1st Law: It Starts With a Vision for Your Life The 2nd Law: Your Body Is Your Best Guide The 3rd Law: Progress Begins When You Stop Making Excuses The 4th Law: What You Seek is on the Road Less Traveled The 5th Law: You’ve Got the Tools in Your Toolbox The 6th Law: Your Reinvention Board is Your Lifeline The 7th Law: Only a Native Can Give You the Inside Scoop The 8th Law: They Won't "Get" You Until You Speak Their Language The 9th Law: It Takes the Time That it Takes The 10th Law: The World Buys Into an Aura of Success Each story is followed by an in-depth lesson that explains how to adapt these laws to your own career goals, and what actions and precautions to take. The lessons answer all your tactical concerns about navigating the roadblocks, getting traction and managing your fears. The final section provides workbook exercises for fine-tuning your reinvention strategies for maximum results. Clear-headed, calming, practical, and thorough, this is the ideal action plan for getting through any career crisis and ending up securely in the lifestyle you've always dreamed of having.

Programming Ecto

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Author : Darin Wilson
language : en
Publisher: Pragmatic Bookshelf
Release Date : 2019-04-01

Programming Ecto written by Darin Wilson and has been published by Pragmatic Bookshelf this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-04-01 with Computers categories.

Languages may come and go, but the relational database endures. Learn how to use Ecto, the premier database library for Elixir, to connect your Elixir and Phoenix apps to databases. Get a firm handle on Ecto fundamentals with a module-by-module tour of the critical parts of Ecto. Then move on to more advanced topics and advice on best practices with a series of recipes that provide clear, step-by-step instructions on scenarios commonly encountered by app developers. Co-authored by the creator of Ecto, this title provides all the essentials you need to use Ecto effectively. Elixir and Phoenix are taking the application development world by storm, and Ecto, the database library that ships with Phoenix, is going right along with them. There are plenty of examples that show you the basics, but to use Ecto to its full potential, you need to learn the library from the ground up. This definitive guide starts with a tour of the core features of Ecto - repos, queries, schemas, changesets, transactions - gradually building your knowledge with tasks of ever-increasing complexity. Along the way, you'll be learning by doing - a sample application handles all the boilerplate so you can focus on getting Ecto into your fingers. Build on that core knowledge with a series of recipes featuring more advanced topics. Change your pooling strategy to maximize your database's efficiency. Use nested associations to handle complex table relationships. Add streams to handle large result sets with ease. Based on questions from Ecto users, these recipes cover the most common situations developers run into. Whether you're new to Ecto, or already have an app in production, this title will give you a deeper understanding of how Ecto works, and help make your database code cleaner and more efficient. What You Need: To follow along with the book, you should have Erlang/OTP 19+ and Elixir 1.4+ installed. The book will guide you through setting up a sample application that integrates Ecto.

Concurrent Data Processing In Elixir

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Author : Svilen Gospodinov
language : en
Publisher: Pragmatic Bookshelf
Release Date : 2021-07-25

Concurrent Data Processing In Elixir written by Svilen Gospodinov and has been published by Pragmatic Bookshelf this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-07-25 with Computers categories.

Learn different ways of writing concurrent code in Elixir and increase your application's performance, without sacrificing scalability or fault-tolerance. Most projects benefit from running background tasks and processing data concurrently, but the world of OTP and various libraries can be challenging. Which Supervisor and what strategy to use? What about GenServer? Maybe you need back-pressure, but is GenStage, Flow, or Broadway a better choice? You will learn everything you need to know to answer these questions, start building highly concurrent applications in no time, and write code that's not only fast, but also resilient to errors and easy to scale. Whether you are building a high-frequency stock trading application or a consumer web app, you need to know how to leverage concurrency to build applications that are fast and efficient. Elixir and the OTP offer a range of powerful tools, and this guide will show you how to choose the best tool for each job, and use it effectively to quickly start building highly concurrent applications. Learn about Tasks, supervision trees, and the different types of Supervisors available to you. Understand why processes and process linking are the building blocks of concurrency in Elixir. Get comfortable with the OTP and use the GenServer behaviour to maintain process state for long-running jobs. Easily scale the number of running processes using the Registry. Handle large volumes of data and traffic spikes with GenStage, using back-pressure to your advantage. Create your first multi-stage data processing pipeline using producer, consumer, and producer-consumer stages. Process large collections with Flow, using MapReduce and more in parallel. Thanks to Broadway, you will see how easy it is to integrate with popular message broker systems, or even existing GenStage producers. Start building the high-performance and fault-tolerant applications Elixir is famous for today. What You Need: You'll need Elixir 1.9+ and Erlang/OTP 22+ installed on a Mac OS X, Linux, or Windows machine.

The Conduct Of Life

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Author : Ralph Waldo Emerson
language : en
Publisher: London G. Routledge 1884.
Release Date : 1884

The Conduct Of Life written by Ralph Waldo Emerson and has been published by London G. Routledge 1884. this book supported file pdf, txt, epub, kindle and other format this book has been release on 1884 with Conduct of life categories.

Build A Weather Station With Elixir And Nerves

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