Feb 19 · 11 min read · 1. Why I Choose to Self-Host n8n on a Raspberry Pi When I first started working with automation tools, n8n's cloud offering seemed like the best choice. But after a few months, I found myself increasi
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Jan 1 · 10 min read · Welcome back to my Kubernetes homelab series! In Part 1, I covered the hardware setup for my three-node Raspberry Pi 4 cluster. Now it's time to get my hands dirty with the operating system installation and network configuration. This is where my clu...
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Dec 24, 2025 · 5 min read · The problem was now solved, however i didn’t stop now. I felt that the output given from the code was a bit ugly, the program would first show that captured image, then it would display an image with a colour map for visualisation (the viewer can vie...
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Dec 4, 2025 · 2 min read · You can absolutely put a GUI button on your Raspberry Pi 4 using Python in Thonny – the usual way is with the built-in tkinter library. I’ll show you: A simple window with a button (prints text when clicked) A version that toggles a GPIO LED when y...
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Oct 11, 2025 · 3 min read · Here’s the quickest, no-nonsense way to get a Raspberry Pi (any model, esp. Pi 4/5) up and running. Pick With a monitor or Headless (no monitor). What you need Raspberry Pi (Pi 4: micro-HDMI ×2, USB-C power; Pi 5: full-size HDMI ×2, USB-C PD) micr...
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Sep 5, 2025 · 4 min read · The Raspberry Pi 4 Model B itself does not have a strict, official maximum storage limit. The limitation comes from the interfaces used to connect the storage and the file systems they are formatted with. In practical terms, the maximum storage space...
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Jul 1, 2025 · 5 min read · Building What I Want — As Always So, I’ve wanted this to build this for a long time. And I tried so many times, but couldn’t — because of Android (yes Android, I mean the android security for calls). The problem is that you have no control over the m...
Join discussionJun 16, 2025 · 2 min read · Yes! The Raspberry Pi 4 can run Java programs smoothly, thanks to its ARM-compatible JVM (Java Virtual Machine). Here’s how to set it up and run Java code on your Pi. 1. Java Versions Supported on Raspberry Pi 4 VersionHow to InstallNotes Ope...
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Apr 25, 2025 · 3 min read · The GPIO (General-Purpose Input/Output) pins on the Raspberry Pi 4 Model B allow interfacing with sensors, LEDs, motors, and other electronics. Below is a detailed breakdown of the 40-pin GPIO header specifications. 📌 GPIO Header Overview (40-Pin) ...
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Jun 21, 2024 · 6 min read · I got one of these little things a while back after seeing a 10 year old kid program, market and publically present an IOT robot in a real world commercial solution using a Pi and Python as a fun robotics project. Cool enough to almost have me start ...
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