We make no claims to be an expert on anything, but we do know that rule number one of working with big, expensive, mission-critical equipment is: Don’t break the big, …read more (https://hackaday.com/2025/11/16/hackaday-links-november-16-2025/)

Supersized Calculator Brings the Whole Intel 4000 Gang Together
https://hackaday.com/2025/11/16/supersized-calculator-brings-the-whole-intel-4000-gang-together/

The museum-quality hack. Three 4003 shift registers are on the left, with a 4001 ROM above the 4004 CPU in the center, flanked by three 4002 RAM “chips” on the right. Photo by [Klaus Scheffler].
" data-medium-file="https://hackaday.com/wp-content/uploads/2025/11/enter-museum-preview.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/11/enter-museum-preview.jpg?w=800">Though mobile devices and Apple Silicon have seen ARM-64 explode across the world, there’s still decent odds you’re reading this on a device with an x86 processor — the direct …read more (https://hackaday.com/2025/11/16/supersized-calculator-brings-the-whole-intel-4000-gang-together/)

An Introduction to DC Motor Technology
https://hackaday.com/2025/11/16/an-introduction-to-dc-motor-technology/

[Thinking Techie] takes us back to basics in a recent video explaining how magnets, coils, brushed DC motors, and brushless DC motors work. If this is on your “to learn” …read more (https://hackaday.com/2025/11/16/an-introduction-to-dc-motor-technology/)

Reverse Engineering the Miele Diagnostic Interface
https://hackaday.com/2025/11/17/reverse-engineering-the-miele-diagnostic-interface/

Since modern household appliances now have an MCU inside, they often have a diagnostic interface and — sometimes — more. Case in point: Miele washing machines, like the one that …read more (https://hackaday.com/2025/11/17/reverse-engineering-the-miele-diagnostic-interface/)

TMS9900-based Home Brew Computer
https://hackaday.com/2025/11/17/tms9900-based-home-brew-computer/

[Usagi Electric] is known for minicomputers, but in a recent video, he shows off his TMS9900-based homebrew computer. The TMS9900 CPU was an early 16-bit CPU famously used in the old …read more (https://hackaday.com/2025/11/17/tms9900-based-home-brew-computer/)

Tech in Plain Sight: Pneumatic Tubes
https://hackaday.com/2025/11/17/tech-in-plain-sight-pneumatic-tubes/

Today, if you can find a pneumatic tube system at all, it is likely at a bank drive-through. A conversation in the Hackaday bunker revealed something a bit surprising. Apparently, …read more (https://hackaday.com/2025/11/17/tech-in-plain-sight-pneumatic-tubes/)

Watching Radioactive Decay with a Homemade Spinthariscope
https://hackaday.com/2025/11/17/watching-radioactive-decay-with-a-homemade-spinthariscope/

Among the many science toys that have fallen out of fashion since we started getting nervous around things like mercury, chlorinated hydrocarbons, and radiation is the spinthariscope, which let people …read more (https://hackaday.com/2025/11/17/watching-radioactive-decay-with-a-homemade-spinthariscope/)