.NET 10 is the next Long-Term Support (LTS) release in the .NET family. LTS matters because it’s the version many teams standardize on for the next 2-3 years: you get a stable baseline, predictable support windows, and a natural time to pay down technical debt (tooling, CI images, container base images, dependency bumps).
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Azure now provides a unified Realtime API for low‑latency, multimodal conversations over WebRTC or WebSockets. If you’ve used the earlier preview versions (for example the GPT‑4o realtime preview), the new generation model is simply called gpt-realtime
and the API follows the same event-driven pattern: you open a session, configure defaults via session.update, stream input, and receive streaming output (text, function calls, audio, etc.).
Logging is part of the contract of many components: when things fail, when branches are taken, when work completes. If a class owns logic, it should own its log output too. That makes logs worth testing–especially for diagnostics, reliability, and supportability.
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Testing hardware-driven projects pays off quickly. Compared to driving a single LEGO motor, controlling a WS2812B lightstrip involves timing constraints, color math, frame buffers, and update sequencing–lots of places where regressions can hide. A focused unit-testing approach helps keep this code reliable and fast to iterate on. For more background on the general pattern, see the Build HAT article: Raspberry Build HAT: Unit Testing Strategies with .NET .
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In this beginner-friendly guide, you’ll learn how to control a WS2812B (aka “NeoPixel”) LED light strip with a Raspberry Pi using .NET. We’ll enable SPI on the Pi, wire the strip correctly (including best practices like a level shifter and a series resistor), and write a small .NET 9 app using the Iot.Device.Bindings library to animate colors. We’ll also publish the app as a self-contained linux-arm64 binary so no .NET runtime is needed on the Pi.
If you go beyond hobby tinkering and aim for reliable, maintainable software, you need tests. Hardware projects are no exception. In fact, the closer you get to IO, timing, and device state, the more you benefit from having a fast feedback loop and repeatable verification.
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In this beginner-friendly guide, you’ll learn how to control LEGO motors connected to a Raspberry Pi via the official Raspberry Pi Build HAT – using a simple, pure .NET application. We’ll use the Iot.Device.BuildHat NuGet package, which provides a friendly .NET API for the Build HAT. No Python required. We’ll also publish the app as a self-contained .NET 9 binary for linux-arm64 so you do not need to install .NET on the Raspberry Pi. This approach is easy to set up, reliable, and a great starting point for your own robotics projects.