Inside a Guitar Amplifier – Part. 1
In this article, we’ll break down a guitar amplifier into its functional parts and explain how each of these parts work. We’ll also look at how these parts interact with…
PCB Design Guidelines for EMI Reduction and EMC Optimization
All electronic circuit boards are intended to allow and even accentuate the flow of electrons to accomplish some performance objective. This action—the flow of current through a closed path—creates a…
Accessing Local Network Resources While Using VPN
When connecting to a corporate network via VPN, you will be subject to company firewall policy. This policy denies access to websites that are deemed to be dangerous, controversial, inappropriate,…
UHF Antenna Design, investigation and report
This article includes a report from an investigation of the performance of a Marconi antenna design that I had carried out in 2020. The transceiver radio system was based on…
How to resolve DNS issues on Windows 11 that began after an update
Network works but DNS is broken. Following a Windows 11 update ((KB5065789) (26100.6725)) I was unable to load web pages, My laptop showed that it was connected to the wireless…
Docker Compose YAML Explained: A Deep Dive into Configuration
This guide will help you not only get a grip on the Docker Compose YAML configuration but also gain a strong command of Docker.
Choosing the right LIDAR (Light Detection and Ranging) for your project !
YDLIDAR is a well-known brand of Lidar (Light Detection and Ranging) sensors. Lidar is a remote sensing technology that uses laser light to measure distances to objects and create detailed…
Extending Storage of your PBS (Proxmox Backup Server)
It is probably not common place to find yourself hosting a Proxmox Backup Server as a Virtual Machine running within an XCP -ng Hypervisor but, that is exactly where we…
how to determine your LXC or VM’s IP-address
In situations where you have setup your Container (LXC) or Virtual Machine (VM) to acquire its’ IP address from a Router, that is using DHCP. You may not be sure…
Wary of US surveillance? Try these European alternatives to Big Tech
As governments expand their reach, often with the help of Big Tech, control over our lives online is at risk of slipping away. But you are not powerless. You can…
Illuminate Your World with WLED: A Complete Guide
A Complete Guide. Discover how to set up WLED on ESP32 for customizable LED lighting. Perfect for DIYers and tech enthusiasts looking to add smart lighting effects to any space
Getting started with MicroPython on Arduino
Arduino started adding Python support to its boards. This article explores how anyone familiar with writing C/C++ sketches can quickly get started with deploying Python programs on their supported official…
What is bzip2?
bzip2 is a freely available, patent free (see below), high-quality data compressor. It typically compresses files to within 10% to 15% of the best available techniques, whilst being around twice…
How To Import QCOW2 Image Into Proxmox
In this guide, we will see how to import QCOW2 into Proxmox VE hypervisor and how to create a virtual machine using the QCOW2 image in Proxmox.
SSH config file for OpenSSH client
This page is about OpenSSH client configuration. For OpenSSH server configuration, see sshd_config. For Tectia SSH configuration, see Tectia SSH Server Administrator Manual. For configuring passwordless public key authentication, see…
ESP32 DIY Examples
This is a curated list of awesome creations with ESPHome containing various external components, blog posts, videos and sample configurations. It should serve as a means of finding inspiration for…
YAML 1.2
This is a replica of the YAML landing page with links to related resource.
requirements and process of getting an electronic product through CE marking approvals
Getting an electronic product CE marked can be a bit of a maze if you haven’t been through it before. I’ll give you a structured breakdown of the requirements and…
Linux Filesystems Explained
File systems are one of the things any newcomer to linux must become acquainted with. In the world of Microsoft you never really have to worry about it, the default…
Fstab
The configuration file /etc/fstab contains the necessary information to automate the process of mounting partitions. In a nutshell, mounting is the process where a raw (physical) partition is prepared for…