A New Kind of Bike Valve?
https://hackaday.com/2025/04/15/a-new-kind-of-bike-valve/

If you’ve worked on a high-end mountain or road bike for any length of time, you have likely cursed the Presta valve. This humble century-old invention is the bane of …read more (https://hackaday.com/2025/04/15/a-new-kind-of-bike-valve/)

Making Parts Feeders Work Where They Weren’t Supposed To
https://hackaday.com/2025/04/15/making-parts-feeders-work-where-they-werent-supposed-to/

[Chris Cecil] had a problem. He had a Manncorp/Autotronik MC384V2 pick and place, and needed more feeders. The company was reluctant to support an older machine and wanted over $32,000 …read more (https://hackaday.com/2025/04/15/making-parts-feeders-work-where-they-werent-supposed-to/)

DIY AI Butler Is Simpler and More Useful Than Siri
https://hackaday.com/2025/04/15/diy-ai-butler-is-simpler-and-more-useful-than-siri/

[Geoffrey Litt] shows that getting an effective digital assistant that’s tailored to one’s own needs just needs a little DIY, and thanks to the kinds of tools that are available …read more (https://hackaday.com/2025/04/15/diy-ai-butler-is-simpler-and-more-useful-than-siri/)

Replica of 1880 Wireless Telephone is All Mirrors, No Smoke
https://hackaday.com/2025/04/15/replica-of-1880-wireless-telephone-is-all-mirrors-no-smoke/

If we asked you to name Alexander Graham Bell’s greatest invention, you would doubtless say “the telephone”; it’s probably the only one of his many, many inventions most people could …read more (https://hackaday.com/2025/04/15/replica-of-1880-wireless-telephone-is-all-mirrors-no-smoke/)

Something is Very Wrong With the AY-3-8913 Sound Generator
https://hackaday.com/2025/04/15/something-is-very-wrong-with-the-ay-3-8913-sound-generator/

https://www.fenarinarsa.com/?p=3183
" data-image-caption="Revision D PCB of Mockingboard with GI AY-3-8913 PSGs.
" data-medium-file="https://hackaday.com/wp-content/uploads/2025/04/ay-3-8913_mockingboard_rev_d.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/04/ay-3-8913_mockingboard_rev_d.jpg?w=800">The General Instruments AY-3-8910 was a quite popular Programmable Sound Generator (PSG) that saw itself used in a wide variety of systems, including Apple II soundcards such as the Mockingboard …read more (https://hackaday.com/2025/04/15/something-is-very-wrong-with-the-ay-3-8913-sound-generator/)

Binner Makes Workshop Parts Organization Easy
https://hackaday.com/2025/04/16/binner-makes-workshop-parts-organization-easy/

We’ve all had times where we knew we had some part but we had to go searching for it all over as it wasn’t where we thought we put it. …read more (https://hackaday.com/2025/04/16/binner-makes-workshop-parts-organization-easy/)

Homemade VNA Delivers High-Frequency Performance on a Budget
https://hackaday.com/2025/04/16/homemade-vna-delivers-high-frequency-performance-on-a-budget/