Fixing a 1990s LEGO Electric Train Speed Regulator
https://hackaday.com/2026/09/08/fixing-a-1990s-lego-electric-train-speed-regulator/

Before LEGO train sets moved to battery-powered locomotives with plastic rails, all of them worked pretty much like any other train set of the era. This meant metal rails that …read more (https://hackaday.com/2026/09/08/fixing-a-1990s-lego-electric-train-speed-regulator/)

Are Desktop PC-ABS Prints Outperformed by Industrial FDM? Not Really
https://hackaday.com/2026/09/08/are-desktop-pc-abs-prints-outperformed-by-industrial-fdm-not-really/

[Igor] of [My Tech Fun] set out to discover what differences, if any, can be found between parts printed in PC-ABS filament on an industrial 3D printer, and those from …read more (https://hackaday.com/2026/09/08/are-desktop-pc-abs-prints-outperformed-by-industrial-fdm-not-really/)

Anti-Doomscroll Tamagotchi Only Lives if You Do
https://hackaday.com/2026/09/08/anti-doomscroll-tamagotchi-only-lives-if-you-do/

The odds are, you have a device deliberately designed to be addictive in your pocket or on the table next to you if you aren’t staring at it right now– …read more (https://hackaday.com/2026/09/08/anti-doomscroll-tamagotchi-only-lives-if-you-do/)

The Different Ways To Look at Negative Resistance
https://hackaday.com/2026/09/08/the-different-ways-to-look-at-negative-resistance/

[lcamtuf] has an in-depth look at the concept of negative resistance that goes somewhat further than one might expect. Normally, as voltage across a resistance increases so too does the …read more (https://hackaday.com/2026/09/08/the-different-ways-to-look-at-negative-resistance/)

One Bit Sound with the ZX Spectrum
https://hackaday.com/2026/09/08/one-bit-sound-with-the-zx-spectrum/

[Michael] has a thing for playing audio over beepers using a single bit. He’s done it with the Apple ][ and the IBM PC. This time he turns to the …read more (https://hackaday.com/2026/09/08/one-bit-sound-with-the-zx-spectrum/)

Sick of Wayland vs. Xorg? How about GEM?
https://hackaday.com/2026/09/09/sick-of-wayland-vs-xorg-how-about-gem/

Between lawsuits from Apple, and Microsoft being Microsoft, Digital Research’s GEM desktop for DOS never really had a chance. It did have another life on Atari home computers, but it’s …read more (https://hackaday.com/2026/09/09/sick-of-wayland-vs-xorg-how-about-gem/)

Decoding the NEC V20 Microcode ROM
https://hackaday.com/2026/09/09/decoding-the-nec-v20-microcode-rom/

The NEC V20 is an Intel 8088-compatible processor that features the same use of microcode, though with its own characteristics. This makes it important to use this same microcode if …read more (https://hackaday.com/2026/09/09/decoding-the-nec-v20-microcode-rom/)