Programming Articles
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SEP Wins TechPoint’s 2024 Innovation Service Partner of the Year Mira Award
SEP Recognized as Indiana’s Top Innovation Service Partner, Winning TechPoint’s Prestigious Mira Award Westfield, Indiana - SEP has been named the Innovation Service Partner of the Year by TechPoint at the 25th annual Mira Awards. The Mira Awards, Indiana’s largest…
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Customizing a UISegmentedControl If you have spent any time developing an iOS app, you have probably realized that customizing UI elements in Swift can be hard. There is either a checkbox that does what you want, or it takes hours of research and trial and error to get something just the way you want it. […]
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Security in the Age of the Internet of Things
Originally published on my personal blog. The Internet of Things is big. No, really big. No, even bigger than that. How big? My colleague Brad Boyer explains it better than I could (and handily defines the thing part of IoT, too). Go read it – I’ll wait. Welcome back! Security is hard. No, really hard. […]
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Refactoring JavaScript – a play in three acts
“the JavaScript Code” by Dmitry Baranovskiy is licensed under CC BY 2.0 Originally published on my personal blog. Act 1, the setup Once upon a time, there was a JavaScript codebase. This codebase used the function expression syntax: const returnTheNumberOne = () => 1; For reasons that aren’t relevant to this blog post, I needed […]
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Strategies for IoT Edge Devices in Noisy Channels.
As Internet of Things technologies mature, there is more focus on aggregation of disparate information. Edge devices provide the rich data streams on which those techniques are based. While low level design of an edge device or its wireless protocol may not be foremost in a developers mind, a basic knowledge of techniques employed can […]
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My manager gave me an AWS IoT button…
With the touch of a button you can notify the world that you touched a button. I was sitting at my desk the other day, busily shifting paradigms and engaging synergies, when my manager plopped a small brown paper box on my desk. plop “What’s this?” I asked, setting aside my efforts to break down silos through […]
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The Most Popular Wireless Standard You’ve Never Heard Of (Part III)
Part III: Getting the Message Through In Part II, we explored some of the physical aspects of 802.15.4 networks. Way back in Part I, we saw why the ISM Band is so popular. In this post, we’ll explore ways that 802.15.4 networks can reliably operate in this crowded band. It’s a Jungle Out There By […]
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The Most Popular Wireless Standard You’ve Never Heard Of (Part II)
Part II: The Self-Organizing Network In part I, we started exploring the features of 802.15.4 networks. In this post, we’ll explore the ways these devices organize themselves into networks. The 802.15.4 standard describes three node types. Nodes are the Things that make up the Internet of Things. Nodes can arrange themselves into free-form mesh networks, […]
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The Most Popular Wireless Standard You’ve Never Heard Of (Part I)
Part I: Life on the Edge As the Internet of Things (IoT) gained popularity, the industry needed radios that could provide a reasonable data rate at a low cost using battery power. IoT edge devices needed wireless connectivity that was simple to implement, inexpensive to manufacture, and cheap to operate. Batteries needed to last months, […]
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Load Balancing with Nginx and Docker
The previous post showed how to use Nginx as a reverse proxy to an ASP.NET Core application running in a separate Docker container. This time, I’ll show how to use a similar configuration to spin up multiple application containers and use Nginx as a load balancer to spread traffic over them. Desired architecture The architecture […]
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