Building a Raspberry Pi Robot with Dot NET 8, Blazor and SignalR
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In this session delivered for the Microsoft Reactor in London, I talk about how you can control a 3D printed Robot Arm with a Raspberry Pi, .NET 8, Blazor and SignalR. I also show how you can use a Unity app on an Oculus Quest 2 to control the arm VR too. You can find the GitHub repo and workshop instructions here; https://bit.ly/dotnetrobotgithub
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Building a Raspberry Pi Robot with Dot NET 8, Blazor and SignalR
- 1. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes Building a Raspberry Pi Robot Arm with .NET 8, Blazor and SignalR PETE GALLAGHER PETECODES.CO.UK
- 2. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes About Me Pete Gallagher @pete_codes www.PeteCodes.co.uk pete@pjgcreations.co.uk Full Stack Dev Manager at Avanade UK Microsoft Certified Trainer & Azure MVP, Pluralsight Author Decades of Desktop, Web & Embedded Software experience, Meetup Organiser, STEM Ambassador, Code Club Organiser … Gadget Addict Father of two inquisitive girls
- 3. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes Hello World (In the world of IoT) Device Bindings and Driving Servos Raspberry Pi GPIO and the Circuit .NET 8 and Installing on the Pi Final Demos Blazor and SignalR What we’re going to be doing…
- 4. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes .NET 8
- 5. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes .NET 8 INFRASTRUCTURE .NET STANDARD .NET everywhere WEB CLOUD IoT AI DESKTOP MOBILE GAMING
- 6. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes What’s new in .NET 8? https://bit.ly/pjgdotnet8new ARM64 Performance Improvements Garbage Collector Enhancements JSON Enhancements .NET Aspire Publish to a Container Maui / ASP.NET / EF Improvements
- 7. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes .NET Ecosystem Momentum > 6.1M Monthly Active Users In Visual Studio #1 Most Admired Framework .NET Core Top 5 Highest velocity OSS Projects github.com/dotnet github.com/aspnet Top 5 Language on GitHub C# 15x Faster than Node.js ASP.NET Core 40% New to .NET are students* dot.net download survey .NET Conf 2023 Keynote - https://bit.ly/pjgdotnetconf2023
- 8. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes Raspberry Pi Install
- 9. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes Raspberry Pi Install Single Line Install wget -O - https://raw.githubusercontent.com/pjgpetecodes/dotnet8pi/main/install.sh | sudo bash http://bit.ly/dotnet8pi
- 10. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes .NET 8 & GPIO
- 11. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes System.Device.Gpio https://www.nuget.org/packages/System.Device.Gpio Very Limited Support for Raspberry Pi 5 Supports Linux and Windows 10 IoT Supports Raspberry Pi, Beagleboard, Hummingboard, Odroid etc Supports I/O, SPI, PWM, I2C
- 12. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes Raspberry Pi GPIO Board Numbering BCM Numbering
- 13. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes Raspberry Pi Circuit 1 Pin 10 Pin 26
- 14. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes Raspberry Pi Demo 1 Hello World (In the world of IoT)
- 15. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes https://www.nuget.org/packages/Iot.Device.Bindings Explorer Hat Sense Hat MCP23xxx I/O Expander BME280 Temperature / Humidity Sensor Much More! Servos Iot.Device.Bindings
- 16. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes Raspberry Pi Circuit 2
- 17. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes Servo Control Board Pin 25 Pin 35 Pin 13 Pin 12
- 18. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes Servos Control Power Ground
- 19. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes Servos
- 20. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes Raspberry Pi Demo 2 Servo Demo
- 21. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes Blazor
- 22. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes “Blazor is a single-page app framework for building interactive client-side Web apps with .NET” Scott Hanselman Blazor
- 23. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes https://bit.ly/pjgblazor No Javascript!* Server Side or Client Side WebAssembley Web UI Framework based in C# / Razor and HTML Steve Sanderson’s Pet Project Support in All Major Browsers Client Side .NET with no plugins Blazor
- 24. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes SignalR
- 25. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes “ASP.NET SignalR is a library for ASP.NET developers to add real- time web functionality to their applications” Wikipedia SignalR
- 26. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes https://bit.ly/pjgsignalr Open Source Supports Web Sockets, Server-Sent Events, Long Polling Enables Bi-directional Real-Time communications Created by David Fowler and Damian Edwards in 2011 SignalR
- 27. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes Raspberry Pi Demo 3 Drive the Arm!
- 28. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes Unity and VR
- 29. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes “Unity is a Cross-Platform Game Engine… Unity gives users the ability to create games and experiences in both 2D and 3D” Wikipedia Unity and VR
- 30. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes https://unity.com/ Scripting using .NET Standard 2.0 or C# 8 Support for Virtual and Mixed Reality Cross Platform Founded in 2002 by Nicholas Francis, Joachim Ante & David Helgason Adding NuGet Packages can be painful Build and Deploy Directly to the Headset Unity and VR
- 31. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes Raspberry Pi Demo 4 VR Robots!
- 32. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes Bonus Section!
- 33. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes .NET everywhere
- 34. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes .NET everywhere
- 35. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes Links GitHub and Workshop https://bit.ly/dotnetrobotgithub Installing Dot Net 8 on the Raspberry Pi http://bit.ly/dotnet8pi Dot Net GPIO Nuget Package https://www.nuget.org/packages/System.Device.Gpio Dot Net IoT Device Bindings Source Code https://github.com/dotnet/iot/tree/master/src/devices 3D Printed Robot Arm – From the presentation https://www.thingiverse.com/thing:1015238 3D Printed Robot Arm - Workshop http://bit.ly/pjgrobotarmparts
- 36. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes Twitter @pete_codes Email: pete@pjgcreations.co.uk Personal Website: https://www.petecodes.co.uk Notts IoT: https://www.nottsiot.co.uk Dot Net Notts: https://www.dotnetnotts.co Notts Dev Workshop: https://www.nottsdevworkshop.co.uk LATi: https://www.lati.org.uk Agile Engineering Podcast: https://agileengineeringpodcast.com/ Azureish Live: https://www.twitch.tv/azureishlive Contact Me Slides: https://bit.ly/pjgndcsydney2024
- 37. Building a Robot Arm with Raspberry Pi, .NET 8, Blazor & SignalR – Copyright Pete Gallagher 2024 – @Pete_Codes Contact Me Pete Gallagher @pete_codes www.PeteCodes.co.uk Pete@PJGCreations.co.uk Slides: https://bit.ly/pjgndcsydney2024
Notes de l'éditeur
- .NET Aspire – Oppinionated Cloud Ready Stack for distrusted computing
- .NET is an entire software development platform that takes care of a lot of the heavy lifting for you when you want to build an application. Applications frameworks help you build the specific types of apps or workloads and enable you to literally build any app for any platform with any operating system. Each .NET workload shares a common infrastructure and .NET Standard library. This means not only are your .NET skills portable, but your actual code is portable no matter what you’re building. This makes it easy to share reusable components (called libraries) across the breadth of applications people build. Additionally, there are a broad set of development tools that makes it really productive to write, debug, build and manage code bases. See: www.dot.net
- .NET Aspire – Oppinionated Cloud Ready Stack for distrusted computing
- 2024: .NET Conf 2023 Keynote - https://bit.ly/pjgdotnetconf2023 https://www.techempower.com/benchmarks/#section=data-r22&hw=ph&test=plaintext&f=zik0zj-zik0zj-zik0zj-zik0zj-zik0zj-zik0zj-hra0hr-zik0zj-zik0zj-zik0zj-qmx0qn-zik0zj-zik0zj-zik0zj-1ekf&l=8vn08w-0&c=3 2020: Build 2020 – Journey to one .NET - https://www.youtube.com/watch?v=ctSqiD8BGPM https://insights.stackoverflow.com/survey/2019#technology-most-loved-dreaded-and-wanted-loved3 github.com/cncf/velocity octoverse.github.com www.techempower.com/benchmarks/#section=data-r18&hw=ph&test=plaintext
- .NET Aspire – Oppinionated Cloud Ready Stack for distrusted computing
- Each PWM Channel is created passing in; The Chip Number The PWM Channel The Frquency Optionally, the Duty Cycle Percentage We also then create two ServoMotor objects, passing in; The PWM Channel we'll be using The Maximum Angle of the Servo - We're using a 180 degree Servo, so we pass in 180 here The Minimum Pulse Width The Maximum Pulse Width
- Blazor replaces javascript and runs C# on the client side directly in the browsers with no plugins needed. Blazor Server – Works as a web Server (Shipped) Blazor Web Assembly (May 2020) Blazor Renders HTML, but Blazor Native but can render to other things like Native Controls for Mobile.
- Blazor replaces javascript and runs C# on the client side directly in the browsers with no plugins needed. Blazor Server – Works as a web Server (Shipped) Blazor Web Assembly (May 2020) Blazor Renders HTML, but Blazor Native but can render to other things like Native Controls for Mobile. Originally developed as a pet project by Steve Sanderson at Microsoft, Blazor is Web UI Framework which is based on C#, Razor and HTML. Blazor compiles down to WebAssembly, which makes it super (or blazingly) fast (Hence the Razor with a “B”). Blazor allows developers to write client side .net… You may say “Oh, like Silverlight?”… Nope, no plugins needed… It’s just supported natively in most modern browsers.
- Server: Hubs ChatHub Startup.cs using BlazorSignalRApp.Server.Hubs; ConfigureServices services.AddSignalR(); app.useEndpoint endpoints.MapHub<ChatHub>("/chathub"); Properties Launchconfig applicationUrl Client Pages Index.razor _imports.rzor Wwwroot Index.html
- Blazor replaces javascript and runs C# on the client side directly in the browsers with no plugins needed. Blazor Server – Works as a web Server (Shipped) Blazor Web Assembly (May 2020) Blazor Renders HTML, but Blazor Native but can render to other things like Native Controls for Mobile. Originally developed as a pet project by Steve Sanderson at Microsoft, Blazor is Web UI Framework which is based on C#, Razor and HTML. Blazor compiles down to WebAssembly, which makes it super (or blazingly) fast (Hence the Razor with a “B”). Blazor allows developers to write client side .net… You may say “Oh, like Silverlight?”… Nope, no plugins needed… It’s just supported natively in most modern browsers.
- .NET is an entire software development platform that takes care of a lot of the heavy lifting for you when you want to build an application. Applications frameworks help you build the specific types of apps or workloads and enable you to literally build any app for any platform with any operating system. Each .NET workload shares a common infrastructure and .NET Standard library. This means not only are your .NET skills portable, but your actual code is portable no matter what you’re building. This makes it easy to share reusable components (called libraries) across the breadth of applications people build. Additionally, there are a broad set of development tools that makes it really productive to write, debug, build and manage code bases. See: www.dot.net
- .NET is an entire software development platform that takes care of a lot of the heavy lifting for you when you want to build an application. Applications frameworks help you build the specific types of apps or workloads and enable you to literally build any app for any platform with any operating system. Each .NET workload shares a common infrastructure and .NET Standard library. This means not only are your .NET skills portable, but your actual code is portable no matter what you’re building. This makes it easy to share reusable components (called libraries) across the breadth of applications people build. Additionally, there are a broad set of development tools that makes it really productive to write, debug, build and manage code bases. See: www.dot.net