3D Printing and Metal Casting are a Great Match
https://hackaday.com/2025/12/15/3d-printing-and-metal-casting-are-a-great-match/

[Chris Borge] has made (and revised) many of his own tools using a combination of 3D printing and common hardware, and recently decided to try metal casting. Having created his …read more (https://hackaday.com/2025/12/15/3d-printing-and-metal-casting-are-a-great-match/)

Giant Neopixel Is Just Like The Regular Kind, Only Bigger
https://hackaday.com/2025/12/15/giant-neopixel-is-just-like-the-regular-kind-only-bigger/

Neopixels and other forms of addressable LEDs have taken the maker world by storm. They make it trivial to add a ton of controllable, glowing LEDs to any project. [Arnov …read more (https://hackaday.com/2025/12/15/giant-neopixel-is-just-like-the-regular-kind-only-bigger/)

Plug Into USB, Read Hostname and IP Address
https://hackaday.com/2025/12/15/plug-into-usb-read-hostname-and-ip-address/

Ever wanted to just plug something in and conveniently read the hostname and IP addresses of a headless board like a Raspberry Pi? Chances are, a free USB port is more …read more (https://hackaday.com/2025/12/15/plug-into-usb-read-hostname-and-ip-address/)

Magnetic Transformer Secrets
https://hackaday.com/2025/12/15/magnetic-transformer-secrets/

[Sam Ben-Yaakov] has another lecture online that dives deep into the physics of electronic processes. This time, the subject is magnetic transformers. You probably know that the ratio of current …read more (https://hackaday.com/2025/12/15/magnetic-transformer-secrets/)

Building a Commodore 64 Laptop
https://hackaday.com/2025/12/15/building-a-commodore-64-laptop/

What might a laptop version of the Commodore 64 have looked like if one had been released by the late 1980s? This is the question that [Kevin Noki] tried to …read more (https://hackaday.com/2025/12/15/building-a-commodore-64-laptop/)

Why Push a Button When a Machine Can Do It For You
https://hackaday.com/2025/12/16/why-push-a-button-when-a-machine-can-do-it-for-you/

Remote control is a wonder of the age, we press a button, and something happens as if by magic. But what happens if there is no remote control, and instead …read more (https://hackaday.com/2025/12/16/why-push-a-button-when-a-machine-can-do-it-for-you/)

After Decades, Linux Finally Gains Stable GPIB Support
https://hackaday.com/2025/12/16/after-decades-linux-finally-gains-stable-gpib-support/