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| title: Just the Docs Template | ||
| description: A starter template for a Jeykll site using the Just the Docs theme! | ||
| title: RGBoard Docs | ||
| description: A guide on how to create RGBoards and use the provided software. | ||
| theme: just-the-docs | ||
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| url: https://just-the-docs.github.io | ||
| favicon: "/assets/images/rgb-paw.png" | ||
| logo: "/assets/images/RGB-Icon.png" | ||
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| aux_links: | ||
| Template Repository: https://github.com/just-the-docs/just-the-docs-template | ||
| url: https://https://rgboard.github.io/docs | ||
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| --- | ||
| title: Design | ||
| layout: home | ||
| nav_order: 2 | ||
| --- | ||
| <img src="assets/images/spinny.gif" alt="gif img of RGBoard"> | ||
| # Designing an RGBoard | ||
| You can build this system however you want — and sometimes that freedom can feel like chaos. | ||
| The version we’re showing here uses just two panels. Why? Because that was enough for our capstone project. | ||
| We actually considered going with a 2×2 layout, but in the end we saved money, time, and our sanity by sticking | ||
| with a simpler 2×1 setup. | ||
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| ## Things to do prior to choosing parts and quantity | ||
| - Read the READMEs in the [rpi-rgb-led-matrix](https://github.com/hzeller/rpi-rgb-led-matrix). | ||
| If you're about to make a mistake, is likely they did first and wrote about it. For example, | ||
| don't get a Raspberry Pi 5 when the library states that is only supported up to the Raspberry Pi 4. | ||
| - We got our panels from [Adafruit](https://www.adafruit.com/). Check their inventory for panels and | ||
| see which ones you like best for your RGBoard. Make sure is the ones with two IDC connectors in the back. | ||
| - The 64 x 32 panels can draw up to 4 amps each! When you add them up, your power supply system has to grow in | ||
| size and cost. | ||
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| ## 1. Get a Raspberry Pi compatible with rpi-rgb-led-matrix | ||
| This computer is the central part of your computer. Get yourself a good amount of RAM | ||
| to have enough room for your programs that make up the whole system. It also makes remote development easier when | ||
| you do remote development with modern day tools. We recommend getting the | ||
| Raspberry Pi 4 Model B with a generous 8GB RAM. | ||
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| ## 2. Determine the size of your board | ||
| The size of your board plays a huge part in cost, power and computation. | ||
| ### Daisy Chaining | ||
| You'll notice these boards have arrows drawn on the back to indicate | ||
| how your connections should flow. The output of one panel is the input to the next | ||
| following this direction. This allows you have a row of n panels. | ||
| Depending on the HAT, the adapting board that goes on the Raspberry and allows GPIO connections | ||
| to the input boards, you can set up rows on top of each other to make your canvas bigger. You can also | ||
| make a canvas with just series connection but will to transform your image on the software side. | ||
| ### Power | ||
| Each panel, assuming they're 64 x 32, needs around 3.8 Amps when they're fully lit up, meaning all LED's set to white. | ||
| You can get a 5V 10A power supply for not much and that'll give you enough power for two panels and your Raspberry Pi. However, as | ||
| you need more, you might want to consider more serious power supplies to power your system. This is where you need to apply a little | ||
| electrical expertise. | ||
| ### Is there a limit to how many I can chain? | ||
| The [rpi-rgb-led-matrix](https://github.com/hzeller/rpi-rgb-led-matrix) library supports up to 3 chains | ||
| with a theoretical number of 32 panels on each. That should be enough for most projects using a Raspberry Pi on | ||
| their design. If you are making something that requires much more than 3 x 32 panels, which would cost you thousands on the panels alone, | ||
| and multiple power supplies... why are you trying to run that off an $80 computer? | ||
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| ## 3. Get LED matrix panel(s) | ||
| It can be one. It can be many. We recommend getting the panels from [Adafruit](https://www.adafruit.com/) but | ||
| you can also get them from other providers as long as they come with the HUB75 connector. Please see [Panels supported](https://github.com/hzeller/rpi-rgb-led-matrix?tab=readme-ov-file#panels-supported) and | ||
| [Types of Displays](https://github.com/hzeller/rpi-rgb-led-matrix?tab=readme-ov-file#types-of-displays) | ||
| for more info. | ||
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| ## 4. Get a HAT connector | ||
| You may be thinking: "Haha, is a HAT because it goes on top of the Raspberry like a hat". WRONG!! It stands for "Hardware Attached on Top" and is about | ||
| time you get professional. To make these work, you'll need 2x8 IDC ribbon cables. Your HUB75 connectors work with these but your Raspberry Pi doesn't | ||
| have such terminal to physically connect these to. That's why you need a HAT that lets you do this. See [Adapters](https://github.com/hzeller/rpi-rgb-led-matrix/tree/master/adapter) for a selection of library | ||
| recommendations. | ||
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| Once you get the general idea of how to put the hardware components together in a way that is thought out. Ask yourself these questions before checking out: | ||
| - Do I have compatible panels? | ||
| - Do I have enough power for the whole system (Panels + Raspberry Pi)? | ||
| - Do I have a [rpi-rgb-led-matrix](https://github.com/hzeller/rpi-rgb-led-matrix) compatible Raspberry Pi? | ||
| - Do I have the right amount of 8 x 2 IDC Ribbon cables and are they right length? | ||
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| Once you got all these components hooked up. We can move on to the next section which would be initial setup. |
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| --- | ||||||
| title: Home | ||||||
| layout: home | ||||||
| nav_order: 1 | ||||||
| --- | ||||||
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| This is a *bare-minimum* template to create a Jekyll site that uses the [Just the Docs] theme. You can easily set the created site to be published on [GitHub Pages] – the [README] file explains how to do that, along with other details. | ||||||
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| If [Jekyll] is installed on your computer, you can also build and preview the created site *locally*. This lets you test changes before committing them, and avoids waiting for GitHub Pages.[^1] And you will be able to deploy your local build to a different platform than GitHub Pages. | ||||||
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| More specifically, the created site: | ||||||
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| - uses a gem-based approach, i.e. uses a `Gemfile` and loads the `just-the-docs` gem | ||||||
| - uses the [GitHub Pages / Actions workflow] to build and publish the site on GitHub Pages | ||||||
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| Other than that, you're free to customize sites that you create with this template, however you like. You can easily change the versions of `just-the-docs` and Jekyll it uses, as well as adding further plugins. | ||||||
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| [Browse our documentation][Just the Docs] to learn more about how to use this theme. | ||||||
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| To get started with creating a site, simply: | ||||||
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| 1. click "[use this template]" to create a GitHub repository | ||||||
| 2. go to Settings > Pages > Build and deployment > Source, and select GitHub Actions | ||||||
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| If you want to maintain your docs in the `docs` directory of an existing project repo, see [Hosting your docs from an existing project repo](https://github.com/just-the-docs/just-the-docs-template/blob/main/README.md#hosting-your-docs-from-an-existing-project-repo) in the template README. | ||||||
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| ---- | ||||||
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| [^1]: [It can take up to 10 minutes for changes to your site to publish after you push the changes to GitHub](https://docs.github.com/en/pages/setting-up-a-github-pages-site-with-jekyll/creating-a-github-pages-site-with-jekyll#creating-your-site). | ||||||
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| [Just the Docs]: https://just-the-docs.github.io/just-the-docs/ | ||||||
| [GitHub Pages]: https://docs.github.com/en/pages | ||||||
| [README]: https://github.com/just-the-docs/just-the-docs-template/blob/main/README.md | ||||||
| [Jekyll]: https://jekyllrb.com | ||||||
| [GitHub Pages / Actions workflow]: https://github.blog/changelog/2022-07-27-github-pages-custom-github-actions-workflows-beta/ | ||||||
| [use this template]: https://github.com/just-the-docs/just-the-docs-template/generate | ||||||
| <img src="assets/images/20250503_010118.jpg" alt="img of RGBoard"> | ||||||
| # RGBoard Docs 🔴🟢🔵 | ||||||
| RGBoard is a system comprised of parts in different disciplines. | ||||||
| To replicate this project, some fundamentals in different areas must be | ||||||
| understood to create derivations out of the provided instructions. The | ||||||
| documentation provided serves as a guide to help create RGBoards from scratch. | ||||||
| ## Fundamentals Prerequisites | ||||||
| This is a great project for those that love tinkering and are not afraid of doing | ||||||
| a little bit of everything. Let's start with the fundamentals to get started | ||||||
| in building RGBoards. | ||||||
| ### Engineering graphics 📐✏️ | ||||||
| A lot of people outside of mechanical engineering think this class is a waste of | ||||||
| time, but is one of the most important engineering classes and one | ||||||
| of the most classical forms of engineering. Truth is, to build something, you're going to have to | ||||||
| measure and sketch various iterations til you get your desired end result. Don't panic, | ||||||
| you don't need to know how to create complex objects, it all depends on what kind of board | ||||||
| you want to assemble, but in most cases, you will be building a frame. All you need to know is how | ||||||
| to draw measured lines, do your corners and measure where to put your holes so you can bolt your frame | ||||||
| to the panels. | ||||||
| ### Electrical engineering ⚡ | ||||||
| RGBoard needs power relative to its size and the correct GPIO wiring. You don't need to be an electrical engineer, | ||||||
| but you need to understand that if each of your panel draws 3.8A, and you have 2 panels, then you need at minimum, a | ||||||
| 10A power supply. | ||||||
| ### Raspberry Pi 4 Model B and Unix/Linux Operating Systems 💻 | ||||||
| RGBoard is basically a Raspberry Pi project and this is where you will | ||||||
| be spending most of your time. Raspberry Pi's will usually run on an Operating System built on Debian | ||||||
| running on top of the very much popular Linux kernel. You need to understand how to use this type of | ||||||
| Operating System. If all you have ever used is Windows, you have quite a journey. If you have a Mac, | ||||||
| you're halfway there. | ||||||
| ### C++ 🐀 | ||||||
| What makes the lights go in RGBoard is a [library](https://github.com/hzeller/rpi-rgb-led-matrix), mostly written in C++. You need | ||||||
| to know how to compile such libraries and bind them to your own project. You can wrap these executables with Python or another | ||||||
| language. Did you know the unofficial mascot of C++ is a diseased rat? | ||||||
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| language. Did you know the unofficial mascot of C++ is a diseased rat? | |
| language. |
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Sep 6, 2025
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Incorrect link format for Jekyll. The link should be /design or design.html instead of /design.html since Jekyll typically handles routing without the .html extension.
| The first step would be to choose your sizing and power. Click [here](/design.html) to go to the design step. | |
| The first step would be to choose your sizing and power. Click [here](/design) to go to the design step. |
| Original file line number | Diff line number | Diff line change |
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| --- | ||
| title: Initial Setup | ||
| layout: home | ||
| nav_order: 3 | ||
| --- |
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Invalid URL format with duplicate 'https://' protocol. Remove the first 'https://' to fix the malformed URL.