Just a simple Lego bouncy DVD logo screensaver mechanism. (Credit: Grant Davis, YouTube)
" data-medium-file="https://hackaday.com/wp-content/uploads/2025/10/lego_dvd_screensaver_complete_grant_davis_youtube.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/10/lego_dvd_screensaver_complete_grant_davis_youtube.jpg?w=800">There’s something extremely calming and pleasing about watching a screensaver that merely bounces some kind of image around, with the DVD logo screensaver of a DVD player being a good …read more (https://hackaday.com/2025/10/08/building-the-dvd-logo-screensaver-with-lego/)

Homebrew Dam Control System Includes all the Bells and Whistles
https://hackaday.com/2025/10/08/homebrew-dam-control-system-includes-all-the-bells-and-whistles/

Over on brushless.zone, we’ve come across an interesting write-up that details the construction of a dam control system. This is actually the second part, in the first, we learn that …read more (https://hackaday.com/2025/10/08/homebrew-dam-control-system-includes-all-the-bells-and-whistles/)

Reshaping Eyeballs With Electricity, No Lasers Or Cutting Required
https://hackaday.com/2025/10/08/reshaping-eyeballs-with-electricity-no-lasers-or-cutting-required/

Glasses are perhaps the most non-invasive method of vision correction, followed by contact lenses. Each have their drawbacks though, and some seek more permanent solutions in the form of laser …read more (https://hackaday.com/2025/10/08/reshaping-eyeballs-with-electricity-no-lasers-or-cutting-required/)

A Minicomputer Tape Drive Receives Some Love
https://hackaday.com/2025/10/08/a-minicomputer-tape-drive-receives-some-love/

Taking on a refrigerator-sized minicomputer  is not for the faint-hearted, but [Usagi Electric] has done it with a DEC PDP-11/44. He’s not doing it in half measures either, for his …read more (https://hackaday.com/2025/10/08/a-minicomputer-tape-drive-receives-some-love/)

Ask Hackaday: Why is TTL 5 Volts?
https://hackaday.com/2025/10/08/ask-hackaday-why-is-ttl-5-volts/

The familiar five volts standard from back in the TTL days always struck me as odd. Back when I was just a poor kid trying to cobble together my first …read more (https://hackaday.com/2025/10/08/ask-hackaday-why-is-ttl-5-volts/)

FLOSS Weekly Episode 850: One ROM to Rule Them All
https://hackaday.com/2025/10/08/floss-weekly-episode-850-one-rom-to-rule-them-all/

This week Jonathan and Aaron chat with Piers Finlayson about One ROM! Why does the retro-computing world need a solution for replacement ROMs? How difficult was it to squeeze a …read more (https://hackaday.com/2025/10/08/floss-weekly-episode-850-one-rom-to-rule-them-all/)

Honoring the Legacy of Robert Murray-Smith
https://hackaday.com/2025/10/08/honoring-the-legacy-of-robert-murray-smith/

We at Hackaday are deeply saddened to learn of the passing of Robert Murray-Smith. The prolific experimenter had spent over a decade on YouTube, creating more than 2,500 videos where …read more (https://hackaday.com/2025/10/08/honoring-the-legacy-of-robert-murray-smith/)

The Entire Process of Building an Open Source Analog ASIC
https://hackaday.com/2025/10/08/the-entire-process-of-building-an-open-source-analog-asic/