What looks like melted solder is really an adhesive layer

For several days, I was struggling with a strange issue on my Mac mini M2 Pro: soon after restart, like 5mins or so, entire system would becomes super slow. UI would visibly render bit by bit,…

You probably only have 78 keys on your keyboard. So why do you never use 12 of them?

GPU (Nvidia) GPU Architecture How is GPU architecture different from CPU architecture? This is a good article for the different sms, like sm_87: https://arnon.

Previously i already reviewed [ultra budget IEMs] . And they are totally worth their price in the budget category. CORE METHODOLOGY OF IEM TESTING Aim of this methodology is to deliver simple…

A few days ago I stumbled on a gemini capsule whose author discussed the numerous technical limitations of the Collapse OS endeavour. Indeed I went to collapseos.org to get a first hand account of…

I Don’t Fly 5inch Anymore: Why I’m Downsizing My FPV Drones, What I Recommend Looking back at the last few years, I’ve noticed something interesting: I’m barely flying 5-inch…

The Samsung Odyssey G7 is an excellent monitor, but its out-of-the-box settings are aggressive. Its settings can be adjusted for comfortable reading, coding, and reducing eye fatigue. Here are the…

A cheap Chinese action cam with a hidden Android, a bad flash that bricked it, a 40-byte loader that brought it back, and a software finger that presses OK at boot.

Another box that arrived for me this week contains a lot more that it seemed at first sight. The Apollo Cast-1 is a fairly boring looking 3D-printed box with 1 USB-C connector, 3.5mm socket (lead…

A 1999 Lupo and a 2026 Tesla speak the same language. Why CAN bus refuses to die, and how I built CAN-Lab to learn it…

Now that my Meshtastic network is growing, I find that I miss being able to access it when I’m traveling. To try to remedy this problem, I got a portable node. It is essentially the same thing as the…

One of my favorite labs in college so far has been my Digital Logic Design Lab. Two years ago the final few labs of the course involved building a VGA driver. While that might sound intimidating, it…

Nuova postazione nata per caso e necessità Ho sostituito da una settimana l'iMac 27 del 2009, onore alla resistenza di questa macchina, dopo 16 anni abbondanti guasto alla scheda Wi-Fi ed al…

The constraint on AI infrastructure in 2026 is not compute but memory bandwidth adjacent to the silicon, and the CoWoS packaging required to deliver it. TSMC's advanced packaging capacity is fully…

Converting existing open-source FPGA projects to Bazel and rules_openxc7 makes hardware builds reproducible, eliminates machine-specific paths, and enables one-command bitstream generation without…

The Raddy ATS-200 was first released in May of 2024. I ordered one from Raddy today because it was on sale for $69.99 (plus about $10 shipping). That’s $50 off. It’s an attractive package…

Building a small robot companion for learning with a Jetson Orin Nano, Nemotron, and Nebius Token Factory.

In part one, we took a deep dive into the circuitry that makes the Marshall Guv’nor unique, in particular its “clipping core”. This week, we’re looking at the most notable Guv’nor-inspired pedals…

Saw this on Facebook on the MLite-880 groups with “Elecevolve’s new product, the RT-880X, gets an early reveal — pre-sale is coming soon. Stay tuned for more details!” plus these…

It seemed like this week was turning out to be quieter on the music gear front than the last few, but to my surprise, quite a lot has happened. Twisted Electrons opened preorders for an unusually…

Superior sound control for your Mac

Recently, the remote control for my Media Player developed a fault. I was watching a film, when for no apparent reasons, the video jumped ahead about twenty minutes and then get stuck in a playback…

T o properly finalize the development of this board—which is a modern clone of the original AKAI card—I need to create the metal mounting bracket for the rear panel of the S5000 rack. In theory, the…

You can spend a fortune on monitors and a chair and still end up with the ugliest part of your desk being the power. A tangle of daisy-chained strips, mismatched adapters, a phone charger fighting…

The objective was simple: Build a home server with ECC memory, lots of space for NVMe drives and 3.5” hard drives, fast Ethernet networking, and as low a power draw as possible. As it happened, this…

When it comes to input devices, I do have my preferences. For many years, I’ve been using Logitech M650 mice for many reasons, the main one being is that they have silent keys. The main…

<p>Every now and then you come across some incredible engineering that you just have to share.</p> <p>This is one of those videos. Strap in and enjoy.</p>

In this post I will explain a very basic 12V to 220V AC inverter design using IC 555 as the oscillator stage, for generating a 50Hz frequency to the MOSFET driver stage of the inverter. We have used…

In one of my earlier posts we elaborately learned how to build a SPWM generator circuit using an opamp and two triangle wave inputs, in this post we use the same concept to generate the SPWMs and…

I didn't trust the Atom Echo's factory firmware, so I erased it over USB through the ESP32's boot ROM and flashed my own ESPHome build. Push to talk with a local voice pipeline, a doorbell chime…

Sorry, all: This blog post is long overdue. In fact any post at all is overdue at this point; suffice it to say it’s been a while. The not-so-relevant-for-this-blog reason behind this is mainly…

Graphic design is my passion Preface Some time ago, when I was deciding what sound system I wanted for my restroom, I stumbled across Samsung's (At that time, flagship) Q990D soundbar. The Q990D I've…

Read and copy USB serial numbers for DDX, Pico, RP2350, RP2040 and other USB devices directly in your browser.

CUKTECH PB150S Specifications Introduction Powerbank in use Cable Size and comparison Compatibility User interface Tests Thermal Images Conclusion Price Product page Specifications Brand/model…

This week started off as a ‘get the cards done’ kinda week, So I made a start on the funky ‘Hub’ card as I thought it would be pretty handy I thought it would be sensible to…

I've been running into all manner of problems connecting a USB4/TB4 docking station (Satechi) to my ThinkPad P16V gen 1 laptop. I would get intermittent connections, oscillating connections…

I’ve done quite a few KVM reviews in the past , and there’s a reason for that: All of the homelab and industrial IoT stuff I test needs some sort of physical access for setup, and even if I do have…

A recurring feature curating interesting speakers for sale on Craigslist from around the Pacific Northwest. Links to Craigslist postings might go down at any time if they’re sold or pulled from sale.…

New blog post about my new PC setup. The other part will most likely be coming out soon, so look foward to it :).

Just stumpled upon the existence of this, and immediately ordered!! By 14.4mm It is a standard smart-watch thickness, but far thicker than I prefer, but the repairability and GPS might well outweigh…

How I brought a Rust microkernel OS onto a real RISC-V board: measure the vendor system, turn the numbers into gates, then write the driver.

Awekeys currently has a Kickstarter campaign going to fund its new see-through metal keycaps. I’ve signed up. They say they’ve made strides with the diffusers. We’ll see. I tried…

If you could fix some of the biggest problems you have with your favorite piece of music gear, but doing so came with the possibility of breaking it, would you take that risk? It's a question I've…

It’s been a month since I first plugged my Glove80 into Hedwig and started using it, so I thought it was time for a follow-up. First things first: this keyboard is the most comfortable thing…

FPV System Latency: Test Results and How to Measure It Yourself Back in 2015, I started measuring the latency of various analog FPV cameras, and I was surprised by how much their performance varied.…

It's still slow but now it works much better, both CH32V003 and CH32V006. Link to the RP2040 binary : Github Note that the CH32V006 is much faster by default, hence making the experience better.…

Your Bluetooth is bad, but it's not your fault Or, making do with the chips you have Today's topic: sometimes a device's Bluetooth protocol is horrible, but the designers didn't have a choice. The…

Are you one of those crazy people who talks to their computer? I am. I got the little wireless mic and I spend most of my day whispering to my laptop like it owes me money. For a while I was telling…

Open-source digital signal processing and machine learning accelerators are frequently published as student or research projects. While the RTL architecture is often innovative, the surrounding build…