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Quick Guide to Setting Up Linux on a Chromebook Introduction Setting up Linux on a Chromebook opens up a world of possibilities, from coding and development to running powerful Linux apps. Google's built-in Linux feature, also known as Crostini, makes this process straightforward. Whether you're looking to test applications, code, or explore Linux for personal use, here's a simple guide to get you started. Step 1: Check Compatibility First, verify that your Chromebook supports Linux. This feature works on most modern Chromebooks running Chrome OS version 69 or later. Go to Settings > About Chrome OS to confirm your version. Step 2: Enable Linux (Beta) Once you’ve confirmed compatibility, you can enable Linux: 1. Open Settings from the bottom-right of your screen. 2. Scroll down to About Chrome OS > Developers > Linux development environment.  Click the "Set up" button. 3. A pop-up will guide you through the installation process. 4. Click Install, and your...

Building MicroPython UF2 from C Source Code for Raspberry Pi Pico W Introduction This guide walks through building the MicroPython firmware from source for the Raspberry Pi Pico W on Raspberry Pi OS. This environment provides all necessary tools for a smooth process, and the steps ensure that everything is done correctly. We’ll also walk through copying the firmware to the Pico, and safely disconnecting the Pico once testing is complete. Preparing Your Environment You’ll start by setting up the environment on Raspberry Pi OS, ensuring all dependencies are installed and that the necessary directories are created. Step 1: Clone the MicroPython Repositories Start by working in your home directory ( /home/pi ), but if your user directory differs, adjust paths as needed. $ pwd /home/pi Create and navigate into the project folder: $ mkdir pico_w $ cd pico_w Clone the MicroPython and MicroPython-lib repositories: $  git clone https://github.com/micropython/micropython.git --branch master ...

  Copying Files to a USB Thumb Drive Using the Linux Command Line on Raspberry Pi OS Introduction Working on a Raspberry Pi OS server with the Linux command line can feel a bit different than the usual desktop environment. While it’s simple to copy files and safely eject a USB drive from the desktop interface, doing so from the command line on a server requires a bit more attention. However, once you get used to the steps, you’ll find that it's straightforward and gives you more control. Here’s how you can do it. Step 1: Insert the USB Drive and Identify It Once you've inserted the USB thumb drive into the Raspberry Pi, you’ll need to find out where it’s mounted in the system. This can be done by checking the system logs or using a command like `lsblk`, which lists all block devices, including your USB drive. $ lsblk You should see your USB drive listed, often under a name like /dev/sda1 or /dev/sdb1 , depending on your setup. Take note of this, as you’ll need it for the next ...

Quick Guide to Setting Up a Raspberry Pi Pico with MicroPython and Thonny Introduction Setting up a Raspberry Pi Pico for MicroPython is a straightforward process that gets you up and running quickly. In this guide, we'll walk through how to flash MicroPython onto your Pico, set it up using Thonny, and run your first "blinking light" script. Whether you're new to microcontrollers or just need a refresher, this guide will get you started in no time. Step 1: Get the MicroPython UF2 File To begin, you'll need the MicroPython firmware for the Pico. Here's where to get it: 1. Visit the official Raspberry Pi website's MicroPython page . 2. Download the MicroPython UF2 file for the Raspberry Pi Pico. This file is necessary for flashing MicroPython onto your Pico and will allow you to program the Pico in the MicroPython environment. Step 2: Cabling Up Your Raspberr...

What Is a REPL? Introduction A REPL, or Read-Eval-Print Loop, is an interactive programming environment that allows developers to write, test, and debug code in real-time. It provides immediate feedback on each command or expression, making it ideal for both learning and experimenting. REPLs are commonly used in dynamic languages like Python, JavaScript, and Ruby, offering an interactive space to quickly run snippets of code without needing to write an entire program. How REPL Works The term REPL breaks down into four core actions: 1. Read: The REPL reads the user’s input, which could be a line of code or an expression. 2. Eval: It evaluates (executes) the input, running the commands or logic. 3. Print: The REPL outputs the result of the evaluation, whether it’s a number, text, or error message. 4. Loop: The REPL waits for the next command, ready to repeat the process. For example, let’s see a simple REPL interaction in Python: ` (Python) >>> 2 + 2 4 >>> print("H...

The Art of Code Readability: Simplicity, Intuition, and Beauty Introduction: Why Readability Matters In the world of software development, the functionality of your code is critical. But beyond making the program work, code readability is a cornerstone of good programming practice. When code is simple, intuitive, and organized, it becomes a pleasure to work with, just like observing the serene and structured beauty of a Japanese garden. A clean, readable codebase is easier to maintain, extend, and debug. But what exactly makes code “readable,” and how can we ensure it remains elegant and functional? Simplicity: The Core of Good Code At the heart of readable code is simplicity. The best code is often the simplest one that gets the job done, without unnecessary layers of abstraction or complexity. Simplicity means avoiding over-engineering, resisting the urge to use complex patterns for problems that don’t require them. When you read a simple function or class, its purpose should be imme...

Ubuntu Core 24 Released for Raspberry Pi 5: A Perfect Fit for IoT and Edge Computing Full Support for Raspberry Pi 5 Ubuntu Core 24, the latest iteration of Canonical’s minimal, locked-down operating system, was released in June 2024 and brings full support for the Raspberry Pi 5. Built on the foundations of Ubuntu 24.04 LTS (Noble Numbat), it provides developers with a secure platform for IoT devices, industrial systems, and edge computing. This version introduces enhanced GPU integration, which allows developers to deploy more resource-intensive applications such as AI-driven edge devices, kiosks, and digital signage solutions. An Attractive Option for Robotics Developers One of the standout features of Ubuntu Core 24 is its modular ROS integration, making it an attractive option for robotics developers. With support for ROS snaps, this release allows for customizable and efficient deployment of robot systems, reducing memory usage and improving over-the-air update performance. Addit...