[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/)

Keebin’ with Kristina: the One with the Cipher-Capable Typewriter
https://hackaday.com/2025/11/17/keebin-with-kristina-the-one-with-the-cipher-capable-typewriter/

I must confess that my mouth froze in an O when I saw [Jeff]’s Typeframe PX-88 Portable Computing System, and I continue to stare in slack-jawed wonder as I find …read more (https://hackaday.com/2025/11/17/keebin-with-kristina-the-one-with-the-cipher-capable-typewriter/)

Meet The Shape That Cannot Pass Through Itself
https://hackaday.com/2025/11/17/meet-the-shape-that-cannot-pass-through-itself/

Can a shape pass through itself? That is to say, if one had two identical solids, would it be possible to orient one such that a hole could be cut …read more (https://hackaday.com/2025/11/17/meet-the-shape-that-cannot-pass-through-itself/)

Building A Smart Speaker Outside The Corporate Cloud
https://hackaday.com/2025/11/17/building-a-smart-speaker-outside-the-corporate-cloud/