Exploring Modern SID Chip Substitutes
https://hackaday.com/2025/12/23/exploring-modern-sid-chip-substitutes/

Despite the Commodore 64 having been out of production for probably longer than many Hackaday readers have been alive, its SID audio chip remains a very popular subject of both …read more (https://hackaday.com/2025/12/23/exploring-modern-sid-chip-substitutes/)

Nixie Tube Dashboard is Period-Appropriate Hack to Vintage Volvo
https://hackaday.com/2025/12/24/nixie-tube-dashboard-is-period-appropriate-hack-to-vintage-volvo/

There’s no accounting for taste, but it’s hard to argue with The Autopian when they declare that this Nixie tube dash by [David Forbes] is “the coolest speedometer of all …read more (https://hackaday.com/2025/12/24/nixie-tube-dashboard-is-period-appropriate-hack-to-vintage-volvo/)

Silicon-Based MEMS Resonators Offer Accuracy in Little Space
https://hackaday.com/2025/12/24/silicon-based-mems-resonators-offer-accuracy-in-little-space/

Currently quartz crystal-based oscillators are among the most common type of clock source in electronics, providing a reasonably accurate source in a cheap and small package. Unfortunately for high accuracy …read more (https://hackaday.com/2025/12/24/silicon-based-mems-resonators-offer-accuracy-in-little-space/)

Roll Your Own Hall Effect Sensor
https://hackaday.com/2025/12/24/roll-your-own-hall-effect-sensor/

If you read about Hall effect sensors — the usual way to detect and measure magnetic fields these days — it sounds deceptively simple. There’s a metal plate with current …read more (https://hackaday.com/2025/12/24/roll-your-own-hall-effect-sensor/)

DIY E-Reader Folds Open Like a Book
https://hackaday.com/2025/12/24/diy-e-reader-folds-open-like-a-book/

There are plenty of lovely e-readers out on the market that come with an nice big e-paper display. There aren’t nearly as many that come with two. [Martin den Hoed] developed the …read more (https://hackaday.com/2025/12/24/diy-e-reader-folds-open-like-a-book/)

Disposable Camera Viewfinder Becomes 3D Printed Lens
https://hackaday.com/2025/12/24/disposable-camera-viewfinder-becomes-3d-printed-lens/

Disposable cameras are a fun way to get into classical photography. However, they can also be a valuable source of interesting parts that can be put to other uses. For …read more (https://hackaday.com/2025/12/24/disposable-camera-viewfinder-becomes-3d-printed-lens/)

Abusing x86 SIMD Instructions to Optimize PlayStation 3 Emulation
https://hackaday.com/2025/12/24/abusing-x86-simd-instructions-to-optimize-playstation-3-emulation/

Key to efficient hardware emulation is an efficient mapping to the underlying CPU’s opcodes. Here one is free to target opcodes that may or may not have been imagined for …read more (https://hackaday.com/2025/12/24/abusing-x86-simd-instructions-to-optimize-playstation-3-emulation/)