USB DAC Comes With Graphic EQ
https://hackaday.com/2025/11/28/usb-dac-comes-with-graphic-eq/

[shiura] had a problem — they wanted a nice high-quality audio output for their computer, but they didn’t fancy any of the DACs that were readily available on the market. …read more (https://hackaday.com/2025/11/28/usb-dac-comes-with-graphic-eq/)

Build Your Own Compact Temp Gun
https://hackaday.com/2025/11/28/build-your-own-compact-temp-gun/

Sometimes you need to know what temperature something is, but you don’t quite want to touch it. At times like these, you might want a temp gun on hand to …read more (https://hackaday.com/2025/11/28/build-your-own-compact-temp-gun/)

Live Train Departure Screens Keep You Abreast of Transit Developments
https://hackaday.com/2025/11/28/live-train-departure-screens-keep-you-abreast-of-transit-developments/

If you want to know when the train is coming, you could pull up a webpage on your phone, or walk all the way to the station to look at …read more (https://hackaday.com/2025/11/28/live-train-departure-screens-keep-you-abreast-of-transit-developments/)

3D Printing for the Hospital Setting
https://hackaday.com/2025/11/28/3d-printing-for-the-hospital-setting/

Surgery is hard, there is a reason why school is so long for the profession. Making the job easier and smoother for both patients and surgeons is valuable for all …read more (https://hackaday.com/2025/11/28/3d-printing-for-the-hospital-setting/)

Instant Sketch Camera Is Like A Polaroid That Draws
https://hackaday.com/2025/11/28/instant-sketch-camera-is-like-a-polaroid-that-draws/

These days, everyone’s got a million different devices that can take a passable photo. That’s not special anymore. A camera that draws what it sees, though? That’s kind of fun. That’s …read more (https://hackaday.com/2025/11/28/instant-sketch-camera-is-like-a-polaroid-that-draws/)

Portable Plasma Cutter Removes Rust, Packs a (Reasonable) Punch
https://hackaday.com/2025/11/29/portable-plasma-cutter-removes-rust-packs-a-reasonable-punch/

[Metal Massacre Fab Shop] has a review of a portable plasma cutter that ends up being a very good demonstration of exactly what these tools are capable of. If you’re unfamiliar …read more (https://hackaday.com/2025/11/29/portable-plasma-cutter-removes-rust-packs-a-reasonable-punch/)

How To Print PETG as Transparently as Possible
https://hackaday.com/2025/11/29/how-to-print-petg-as-transparently-as-possible/