Will your next project be a success? Only time will tell, but if you build [gokux]’s tiny ESP32 fortune cookie, we predict that, at the very least, there won’t be …read more (https://hackaday.com/2026/05/21/e-fortune-cookie-will-humble-but-never-crumble/)

Get That Windows 7 Feel In An OS That Still Gets Updates
https://hackaday.com/2026/05/21/get-that-windows-7-feel-in-an-os-that-still-gets-updates/

Do you want to go back to an era when Windows was… simpler? Back when things worked, before the AI and the bloat took over your hard drive and RAM …read more (https://hackaday.com/2026/05/21/get-that-windows-7-feel-in-an-os-that-still-gets-updates/)

Making a PCB The Old-Fashioned Way
https://hackaday.com/2026/05/21/making-a-pcb-the-old-fashioned-way/

Nearly all modern PCBs are designed with the help of EDA software, but not all of them. [ALTco] shows us the process of plotting out a board the old-fashioned way …read more (https://hackaday.com/2026/05/21/making-a-pcb-the-old-fashioned-way/)

Jacket Turned Cyberpunk Wearable OLED Display
https://hackaday.com/2026/05/22/jacket-turned-cyberpunk-wearable-oled-display/

If you’ve played Cyberpunk 2077, you might have seen the rad jacket that has a screen in the collar. Once upon a time, such a thing would be solely the …read more (https://hackaday.com/2026/05/22/jacket-turned-cyberpunk-wearable-oled-display/)

Autonomous Submarine Relies On Color Detection
https://hackaday.com/2026/05/22/autonomous-submarine-relies-on-color-detection/

We talk about all kinds of autonomous vehicles here at Hackaday, from aerial drones to rugged rovers. A little less common are the submarine builds, likely due to their technical …read more (https://hackaday.com/2026/05/22/autonomous-submarine-relies-on-color-detection/)

Low Head Turbine Generates Plenty of Power
https://hackaday.com/2026/05/22/low-head-turbine-generates-plenty-of-power/

Engineering design makes all kinds of tradeoffs. Power trades off with torque, strength trades off with weight, and cost can trade off with quality. For designing a hydroelectric turbine, one …read more (https://hackaday.com/2026/05/22/low-head-turbine-generates-plenty-of-power/)

The Maths Behind A Chord Recognition Engine
https://hackaday.com/2026/05/22/the-maths-behind-a-chord-recognition-engine/

A key part of any tertiary musical education is learning about all the wonderful (and less wonderful) types of chords out there. Typically this involves a great deal of exercises …read more (https://hackaday.com/2026/05/22/the-maths-behind-a-chord-recognition-engine/)