PWM MOSFET Module – A Quick Analysis
A low cost PWM Power MOSFET Module. The module under the spotlight is the pretty common FR120N MOSFET Control Module which is a simple N-channel logic-level compatible power MOSFET board…
An electric circuit transfer function H(s) or H(jw)
𝐻(𝑠) or 𝐻(𝑗𝜔)) is the frequency-dependent ratio of a circuit's output signal (voltage/current) to its input signal, found by transforming the circuit to the s-domain (Laplace) or frequency domain (𝑗𝜔)…
LTspice: Models of ISO 7637-2 & ISO 16750-2 Transients
Simulating the ISO 7637-2 and ISO 16750-2 transients early in the design phase of an automotive product can pinpoint issues that would otherwise come to light during electromagnetic compatibility (EMC)…
Self-Hosting n8n: A Comprehensive Docker & Postgres, on VPS guide
Workflow automation tools offer incredible power, but most platforms ask you to trade control for convenience. When you use a cloud-only service, your data, your credentials, and your core business…
How to set up n8n with Portainer or Docker Compose
Ready to try-out n8n as your next automation platform? Or are you already a long time user of n8n? Either way, in this blog I share how you can set…
Mapping with LiDAR (Light Detection and Ranging) sensor data
Mapping LIDAR sensor data is the process of using rapid laser pulses to measure distances and create highly detailed, three-dimensional representations of environments. The resulting data, known as a point…
OIF publishes new spec for 112 Gb/s RTLR optical interfaces
The Optical Internetworking Forum (OIF) has released a new implementation agreement defining 112 Gb/s Retimed Transmitter Linear Receiver (RTLR) electrical and optical interface to help meet rising data centre and…
112Gbps, PAM4
112 Gbps PAM4 is a widely adopted data transmission standard and modulation scheme used in high-speed networking and data centers to achieve aggregate data rates of 400 GbE (4x112G) and…
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…
ESP32 Pinout Reference
The ESP32 has many GPIO pins and most are multi-functional. This article demystifies each pin and includes tips on their uses.
Double Triodes and Guitar Amplification
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…
The Tube Logic Story
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…
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…
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…
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…
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…
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…
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…