Meshtastic – Build your own hardware
n this guide, we’ll walk you through building your very own Meshtastic LoRa Node. Sure, you could easily buy a Heltec V3 for just 15 USD, but if you’ve got…
Electrical Engineering and Systems Science
Innovation Engineering and Technology
Engineering, signals, systems and applications
n this guide, we’ll walk you through building your very own Meshtastic LoRa Node. Sure, you could easily buy a Heltec V3 for just 15 USD, but if you’ve got…
The ESP32 has many GPIO pins and most are multi-functional. This article demystifies each pin and includes tips on their uses.
ICIAN, the chances are that you want to DELIBERATELY CHANGE the sound and characteristics of your amplifier. Your amplifier is an integral part of achieving your own personal sound, as…
Warm, powerful, responsive, dynamic, elastic…these are all terms that guitarists use to describe the satisfying experience of playing their favorite tube amps. Thanks to Roland’s Tube Logic, these words can…
Before reading this article, consider watching Uncle Doug demystify the Fender Champ Amplifier, Valves and transformers. It is not only a highly educational video but the way Doug simplifies the…
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…
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…
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…
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
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…
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…
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…
A brief over of Microcontrollers. A microcontroller (MCU) is a small computer on a single integrated circuit that is designed to control specific tasks within electronic systems. It combines the…
how to install n8n on Rocky Linux 10 step by step—secure, fast, and production-ready. Unlock the power of automation today before your competitors do. Don’t miss out on boosting efficiency…
As of May 2025, n8n continues to be one of the most popular no-code automation platforms. Yet, many users still struggle to debug their n8n automations effectively. Let’s explore the…
In this article, we take a look at tweaking Virtualmin (open source web hosting application) so that we can install n8n, which uses Nginx web server.
This n8n template delivers a complete AI-powered solution for automated LinkedIn posts, including unique content, custom images, and optimized hashtags.
This is a typical example of how n8n can be used to generated automation and workflows, to take the burden off of human activities. The proposer, on Facecook seems to…
The proliferation of Internet of Things (IoT) devices continues to accelerate and inspire the design of innovative end products. However, designers must remember that no matter how much creativity and…
The Bootloader is the first segment of code executed in an embedded system after power-up. Once it completes the initialization of the CPU and relevant hardware, it loads the operating…