Today I am shifting the focus, as usual, a bit away from the pure mainstream circuit. The classic bar charts, the usual gaming averages, and the familiar price duels will be dealt with quickly enough…

I removed the screen from my laptop—and it’s now more useful than before. Anyways, I recently got my hands on a used thinkpad X230 for around 60$. The machine is great, the keyboard even better, but…

We humans are great (mostly). Our amazing minds let us do incredible things. And sometimes, they try to screw with us. When that overlaps with guitars, I find it massively interesting. Check out the…

Of late, the magnetic stirrer mixing my morning cocoa occasionally doesn’t start spinning when I turn it on, which calls for some investigation. Removing the four obvious screws concealed under…

The rising energy demands of modern AI applications are increasingly becoming a focus of research and industry. Systems such as large language models, image generators, and complex optimization…

KiCad 10 was released on March 20, 2026, the first day of autumn in the southern hemisphere. I find that timing fitting. Autumn is when things that have been growing all year reach maturity. I have…

The new KUBB is powered by AMD, and it's available in Europe now. The awfully cute 120 x 120mm PC features a 100% silent design using a 1.4kg machined aluminum block as a heat sink (heavier than…

Eighty-five years ago, the March 1941 issue of Practical Mechanics showed how to build a wind generator. It used a propellor left over from the last war, and the axle from a Peugeot. But with some…

Took a bit longer than expected, but PFF is finally ready for production! If you are living under a rock, PFF stands for “Penguin Flat Feet” and it’s one of the few keycaps designed…

You want to know what your machine actually does — not what the spec sheet says. hwbench runs three tests directly on the hardware and prints real numbers: CPU throughput, memory bandwidth, and cache…

Discreetly modding my friend’s apartment intercom to work with Apple Home.

A while back I released a few mods to an existing Bambu AMS print and included my own extruded frame design. It did the job, but with the cost of parts rising, and with some experience of using my…

Just got this travel guitar, the Donner Hush X. Gonna check it out and put it through its paces.

A number of drop-in battery companies have gone out of business leaving you with an unsupported product or worse a BMS app that's no longer supported or even in the app store. In this videoI replace…

IODD's virtual CD-ROMs like the ST300 and MINI often display "defrag" when attempting to mount newly-imported ISO images, as detailed by ./techtipsy. The IODD Guide explains that…

ATTACHING 1627 PLOTTER TO IBM 1130 The IBM 1627 Plotter is a private labeled and slightly modified version of the Calcomp 565 or Calcomp 563 depending on the model of the 1627. It moves continuous…

In this episode, I join Martin Butler M1MRB, Caryn Eve Murray KD2GUT, Edmund Spicer M0MNG and Ed Durrant DD5LP to discuss the latest Amateur / Ham Radio news, including: FO-29 Enters Full Sunlight:…

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Tesla runs a bug bounty program that invites researchers to find security vulnerabilities in their vehicles. To participate, I needed the actual hardware, so I started looking for Tesla Model 3 parts…

In this episode, we join Martin Butler M1MRB, Dan Romanchik KB6NU, Caryn Eve Murray KD2GUT, Edmund Spicer M0MNG and Ed Durrant DD5LP to discuss the latest Amateur / Ham Radio news. Colin Butler…

I rarely do sound these days because I hate it and it makes me grumpy, but I do it for friends. For a South by Southwest rehearsal, I did sound this morning. For friends. Happy to do it. A bit…

Raspberry provide an example I2S output PIO program. I needed simultaneous input and output, so I adapted their program for that. Code at the end of the post.

This frame of Screamer 2 was rendered not by an original 3dfx card and not by an emulator, but by an FPGA reimplementation of the Voodoo 1 that I wrote in SpinalHDL. Available on GitHub. Read the…

An open-source toolkit for training and deploying learned policies on the SO-100/SO-101 robotic arms.

The $79.99 RC30B RCA to RCA cable was provided by ddHiFi for my review – and I thank them for The post ddHiFi RC30B RCA Interconnects REVIEW – Silver Is Gold appeared first on Music For…

I found the ZZRX-40 receiver while going through some old issues of QEX magazine . Designed by Craig Johnson (AA0ZZ) , this is a very simple and easy-to-build 40m direct conversion receiver. Even…

OOTA: Out On The Air Any location. Any antenna. Any power. OOTA What’s new at DLARC We have lots of new documents and movies from Milwaukee (Wisconsin) Radio Amateurs’ Club. The club has been…

-PLANNING THE INTERFACE: The first step in designing the faceplates and arranging the hardware layout, is taking careful measurements of the keyboard enclosure, and drawing it up in my design…

A quick port to support the ESP32S3 mini over Wifi. The pic below is a ESP32S3 debugging a bluepill board (still over wifi) Github page

Seventy years ago, the March 1956 issue of Radio Electronics showed this idea, sent in to the magazine by one Jess Jacobson, of how to turn a 5-tube radio into a metronome for the aspiring musician.…

Members of the Dog Day Radio Amateur Radio Club are putting the callsign K0DOG on the air to advocate for the responsible care, breeding and rescue of puppies everywhere. Please show your support -…

Modified a Jeep tailgate table using 6 magnetic mounts. Total cost: $169 plus the 15 minutes it took to drill 6 holes.

I’ve been using a new mechanical keyboard for about a week now and here are some first impressions. I first heard of this brand by reading the review Adam’s Desk wrote up. Everyone at work had a…

My desktop is flapping and chirping.

RETESTING STORAGE LOAD AND STORAGE DISPLAY WITH UPDATED FPGA LOGIC After the changes I made to delay the write into the MRAM chip in order to allow the Storage Buffer Register (SBR) to complete its…

BIO is the I/O co-processor in the Baochip-1x, a mostly open source 22nm SoC I helped design. You can read more about the Baochip-1x’s background here, or pick up an evaluation board at Crowd Supply.…

After three years of learning and improving my CW, I bought my first Begali key at Orlando HamCation in 2023. I used this key as I became progressively more partial […] The post A Visit to…

In this follow up post on the original [_Hold on to Your Hardware_](/hold-on-to-your-hardware/) write-up we're going to have a look at how to deal with faulty RAM on Linux, which is one of the major…

So I’ve been getting my radio game back together, since in adventurous times – particularly times with the possibility of particularly severe emergencies and communications troubles…

According to SweClockers, despite being fanless, the Ryzen AI 9 HX 370 computer performs impressively. It is roughly 50% faster in CPU tasks and over twice as fast in graphics benchmarks compared to…

I have a few Yongnuo RF603N II remote flash units. They are old but works. Their primary use is for remote flash over its hotshoe, but they also allows remote shutter release via the same 2.4GHz…

Alex is founder and CEO of Efficient Power Conversion, a leading manufacturer of GaN MOSFET’s. Alex is also the inventor of the original Power MOSFET and HEXFET at International Rectifier.…

I don't print a lot of things which take many hours, I only have a small printer, but when I do, or if it's a risky print, then it's annoying to have to stop what you're doing to go and check on it.…

Assigning a 24-bit value to a pair of 16-bit registers by removing two bits, splitting off the top six bits, then bit-reversing only half of the parts and embedding it into silicon.

The Game Boy Camera was brilliant and stupid in equal measure, a 128x112 pixel sensor bolted on top of a cartridge, printing to thermal paper on a Game Boy Printer the size of a brick. I got both for…

Fun Fact: Tucson has never experienced 100-degree weather in March for as long as records have been kept. We are poised to blast through that record this weekend, along with a bunch of other…

Link: https://www.huaweicentral.com/huaweis-first-1-inch-camera-sensor-is-ready-with-new-imaging-tech/ Huawei’s first 1-inch camera sensor is ready with new imaging tech ... This new sensor is a 50MP…

6-80 meters, 50 watts SSB/CW, 20 watts on digital modes.No projected release date or price yet.Images of Yu holding it give a better perspective of the radio's small size than if it were simply on a…

As a follow-up to our post earlier this month on ACOM amplifiers, OnAllBands is featuring this video by DX Engineering’s Mike, KI8R, on how to set up your solid-state ACOM […] The post How to…