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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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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App Crashing on 32-bit Devices When Resigning Xamarin.iOS IPAs

Recently on a project, we were receiving reports from some users that the iOS app we had developed with Xamarin was crashing immediately after opening the application, but only on certain devices. Basically the application would display the splash screen for a second or two, then would immediately return to the home screen. Once we were able […]
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Nginx Reverse Proxy to ASP.NET Core – Separate Containers

The previous blog post showed how to setup a reverse proxy between Nginx and an ASP.NET Core application. In that example, both Nginx and the Kestrel process ran in the same box. As alluded to, there is another (preferable) option. This time, we’ll create two separate containers: one for the application and one for the […]
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Nginx Reverse Proxy to ASP.NET Core – Same Container

As mentioned in the previous post, it is recommended to use something other than Kestrel as the front-line web server. In this example, I’m going to show how to use Nginx as a reverse proxy to the ASP.NET Core application. Reverse-proxy architecture options In terms of architecture setup for reverse proxying for ASP.NET Core in […]
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