We’re all used to crystal resonators — they provide pretty accurate frequency references for oscillators with low enough drift for most of our purposes. As the quartz equivalent of a …read more (https://hackaday.com/2025/07/11/listen-to-the-sound-of-the-crystals/)

This Homebrew CPU Got Its Start in the 1990s
https://hackaday.com/2025/07/11/this-homebrew-cpu-got-its-start-in-the-1990s/

[Sylvain Fortin] recently wrote in to tell us about his Homebrew CPU Project, and the story behind this one is truly remarkable. He began working on this toy CPU back …read more (https://hackaday.com/2025/07/11/this-homebrew-cpu-got-its-start-in-the-1990s/)

This Week in Security: Bitchat, CitrixBleed Part 2, Opossum, and TSAs
https://hackaday.com/2025/07/11/this-week-in-security-bitchat-citrixbleed-part-2-opossum-and-tsas/

@jack is back with a weekend project. Yes, that Jack. [Jack Dorsey] spent last weekend learning about Bluetooth meshing, and built Bitchat, a BLE mesh encrypted messaging application. It uses …read more (https://hackaday.com/2025/07/11/this-week-in-security-bitchat-citrixbleed-part-2-opossum-and-tsas/)

PlayStation Case Mod Hides Gamer Shame
https://hackaday.com/2025/07/11/playstation-case-mod-hides-gamer-shame/

[Zac] of Zac Builds has a shameful secret: he, a fully grown man, plays video games. Shocking, we know, but such people do exist in our society. After being rightfully …read more (https://hackaday.com/2025/07/11/playstation-case-mod-hides-gamer-shame/)

Hackaday Podcast Episode 328: Benchies, Beanies, and Back to the Future
https://hackaday.com/2025/07/11/hackaday-podcast-episode-328-benchies-beanies-and-back-to-the-future/

This week, Hackaday’s Elliot Williams and Kristina Panos joined forces to bring you the latest news, mystery sound, and of course, a big bunch of hacks from the previous week. …read more (https://hackaday.com/2025/07/11/hackaday-podcast-episode-328-benchies-beanies-and-back-to-the-future/)

Dearest C++, Let Me Count the Ways I Love/Hate Thee
https://hackaday.com/2025/07/11/dearest-c-let-me-count-the-ways-i-love-hate-thee/

My first encounter with C++ was way back in the 1990s, when it was one of the Real Programming Languages™ that I sometimes heard about as I was still splashing …read more (https://hackaday.com/2025/07/11/dearest-c-let-me-count-the-ways-i-love-hate-thee/)

An Induction Lamp Made on the Same Principle as Ordinary Fluorescent Lamp
https://hackaday.com/2025/07/11/an-induction-lamp-made-on-the-same-principle-as-ordinary-fluorescent-lamp/

Over on YouTube, [Technology Connections] has a new video: Induction lamps: fluorescent lighting’s final form. This video is about a wireless fluorescent light which uses induction to transfer power from …read more (https://hackaday.com/2025/07/11/an-induction-lamp-made-on-the-same-principle-as-ordinary-fluorescent-lamp/)

Designing a CPU with only Memory Chips
https://hackaday.com/2025/07/11/designing-a-cpu-with-only-memory-chips/