The word “Schlieren” is German, and translates roughly to “streaks”. What is streaky photography, and why might you want to use it in a project? And where did this funny …read more (https://hackaday.com/2025/05/08/flow-visualization-with-schlieren-photography/)

The Owon HDS160 Reviewed
https://hackaday.com/2025/05/08/the-owon-hds160-reviewed/

These days, if you are in the market for a capable digital voltmeter, you might as well consider getting one with an oscilloscope built-in. One choice is the Owon HDS160, …read more (https://hackaday.com/2025/05/08/the-owon-hds160-reviewed/)

Let the Wookie Win with this DIY Holochess Table
https://hackaday.com/2025/05/08/let-the-wookie-win-with-this-diy-holochess-table/

If you have seen Star Wars, you know what is being referenced here. Holochess appeared as a diversion built into the Millennium Falcon in the very first movie, way back …read more (https://hackaday.com/2025/05/08/let-the-wookie-win-with-this-diy-holochess-table/)

Edison Phonograph Plays the Cylinders
https://hackaday.com/2025/05/08/edison-phonograph-plays-the-cylinders/

You might be old enough to remember record platters, but you probably aren’t old enough to remember when records were cylinders. The Edison Blue Amberol records came out in 1912 …read more (https://hackaday.com/2025/05/08/edison-phonograph-plays-the-cylinders/)

DIY Driving Simulator Pedals
https://hackaday.com/2025/05/08/diy-driving-simulator-pedals/

In the driving simulator community, setups can quickly grow ever more complicated and expensive, all in the quest for fidelity. For [CNCDan], rather than buy pedals off the shelf, he …read more (https://hackaday.com/2025/05/08/diy-driving-simulator-pedals/)

Understanding Linear Regression
https://hackaday.com/2025/05/08/understanding-linear-regression/

Although [Vitor Fróis] is explaining linear regression because it relates to machine learning, the post and, indeed, the topic have wide applications in many things that we do with electronics …read more (https://hackaday.com/2025/05/08/understanding-linear-regression/)

Hacky Shack? The TRS-80 Model I Story
https://hackaday.com/2025/05/08/hacky-shack-the-trs-80-model-i-story/

The 1970s saw a veritable goldrush to corner the home computer market, with Tandy’s Z80-powered TRS-80 probably one of the most (in)famous entries. Designed from the ground up to be …read more (https://hackaday.com/2025/05/08/hacky-shack-the-trs-80-model-i-story/)