Articles by Tag #raspberrypi
Browse our collection of articles on various topics related to IT technologies. Dive in and explore something new!
Gating entrances with Stripe and NFC passes
Learn how to unlock doors with Apple Wallet and Google Wallet Digital Passes.
From Zero to GitOps: Building a k3s Homelab on a Raspberry Pi with Flux & SOPS
A complete guide to setting up a k3s Kubernetes cluster on a Raspberry Pi, managed with GitOps (Flux) and secure secrets (SOPS).
My K3s Pi Cluster Died After a Reboot: A Troubleshooting Story
How to fix a k3s cluster that's in a connection-refused crash loop after a Raspberry Pi rebooted and changed its IP address. Spoiler: It's always the database.
Deep Dive: Building Real-Time Facial Emotion Detection on Raspberry Pi with YOLOv11
In the previous section, we covered why emotion detection matters and how computers “see”...
Raspberry Pi Cooling: Does Fan Direction Matter? I Put It to the Test
If you’ve ever wondered whether pushing air into your device is more effective than pulling hot air...
Self-Hosting on Raspberry Pi: CI/CD with GitHub Actions and Secure Access via Cloudflare Tunnel
Over the past few weeks, I’ve started experimenting with self-hosting to give my personal projects a...
Build Embedded Debian Web Runtime with the Power of Isar
Originally posted on Medium When most people think about building something for embedded devices,...
Build a Highly Available Pi-hole Cluster with Ansible (VRRP)
Step-by-step guide to prepare two Linux hosts, then use Ansible to deploy a highly available Pi-hole...
How to Setup Raspberry Pi Camera Module 3 on Ubuntu 24.04
If you've tried using the Raspberry Pi Camera Module 3 with Ubuntu 24.04, you've probably discovered...
Built Datapizza-AI in PHP on 2011 Raspberry Pi: Edge AI Without GPU
Built Datapizza-AI in PHP on 2011 Raspberry Pi (256MB RAM) — Zero GPU I ported...
Case Study: Red Teaming TinyLlama on a Raspberry Pi 5
Introduction: From Docker Woes to LLM Jailbreaks This case study details the technical...
Teaching AI to Read Emotions: Science, Challenges, and Innovation Behind Facial Emotion Detection with YOLOv11 on Raspberry Pi
What if machines could understand how you feel just by looking at your face? That question inspires...
Ladybird Browser in an Embedded Web Runtime
Originally posted on Medium In my previous blog post, I showed how to build and create an...
Part 2 — Training model on Raspberry Pi Pico for Edge AI Trend Alarm
This part turns the dataset from Part 1 into a tiny edge‑ready model. This corrected version ensures...
Creating and Restoring Disk Images on macOS: A Guide to Using dd and diskutil
🚀 Introduction Many IoT and embedded devices, including single-board computers like...
Troubleshooting k3s on Raspberry Pi (Fixing the Auto-Restart Crash Loop)
How to fix the common 'k3s.service' crash loop on Raspberry Pi by enabling cgroups and reinstalling.
CODECK: A PORTABLE LINUX BASED COMPUTER
Introduction Codeck is a portable, student-focused Linux workstation developed using the Raspberry...
Upgrading Our Raspberry Pi Kubernetes Cluster: From v1.29 to v1.34 & ETCD Backup Guide
Keeping your cluster up-to-date is crucial for security, stability, and access to new features. In...
Part 1 — Data Gathering on Raspberry Pi Pico for Edge AI Trend Alarm
🌍 Motivation Most SCADA-like monitoring systems rely on absolute thresholds (e.g.,...
Building an Edge AI Sound Classifier (Part 1): Collecting and Preparing the Dataset
In this three-part series, I’ll walk you through how I built a tiny edge AI system that runs on a...
Pi-hole setup(docker) for ad blocking
Recently, I set up Pi-hole for network-wide ad blocking, starting with the goal of blocking ads on TV...
How to Use kubectl Directly on Your Raspberry Pi k3s Node
A quick tip for running kubectl commands directly on your k3s node (like a Raspberry Pi) instead of just remotely.
Transform Your Raspberry Pi into a Mini Windows 11 PC: Step-by-Step Guide
Introduction If you’ve ever looked at your Raspberry Pi and wondered “Could I run Windows...
Install NUT on RaspberryPi with AlmaLinux
I run one of my Raspberry Pi devices with AlmaLinux, installed on an external SSD connected through...
git init ~/repos/cathedral
okay, ive been using NixOS with this flake for a while but I've kind of let it lie sallow for a while...
Pico Display Pack 2.8"
Pimoroni's Pico Display Pack 2.8" provides a 320 x 240 pixel, 2.8" IPS LCD screen, one RGB LED and...
Hallowe'en Unicorn
After tinkering with the Pimoroni Galactic Unicorn LED panel for almost a year, I decided to put...
RK3588 SBC: Kiwi Pi 5 Pro
The realm of Single Board Computers (SBCs) has rapidly progressed in recent times, with Rockchip’s...
Self-Hosting a lightweight Wiki on Raspberry PI with Cloudflare Tunnel
I’m the developer behind LeafWiki, a lightweight, Markdown-based Wiki that doesn’t require a...
Banana Pi — Como Habilitar o SSH no Raspbian
Banana Pi — Como Habilitar o SSH no Raspbian Henrique...