There are all kinds of air quality sensors on the market that rely on all kinds of electro-physical effects to detect gases or contaminants and report them back as a …read more (https://hackaday.com/2025/10/05/divining-air-quality-with-a-cheap-computer-vision-device/)

Hackaday Links: October 5, 2025
https://hackaday.com/2025/10/05/hackaday-links-october-5-2025/

What the Flock? It’s probably just some quirk of The Almighty Algorithm, but ever since we featured a story on Flock’s crime-fighting drones last week, we’ve been flooded with other …read more (https://hackaday.com/2025/10/05/hackaday-links-october-5-2025/)

Splashflag: Raising the Flag on a Pool Party
https://hackaday.com/2025/10/05/splashflag-raising-the-flag-on-a-pool-party/

Some things are more fun when there are more folks involved, and enjoying time in the pool is one of those activities. Knowing this, [Bert Wagner] started thinking of ways …read more (https://hackaday.com/2025/10/05/splashflag-raising-the-flag-on-a-pool-party/)

Apple’s Continuing Failing Repair Score With the AirPods Pro 3
https://hackaday.com/2025/10/05/apples-continuing-failing-repair-score-with-the-airpods-pro-3/

It takes quite a bit of effort to get a 0 out of 10 repairability score from iFixit, but in-ears like Apple’s AirPods are well on course for a clean …read more (https://hackaday.com/2025/10/05/apples-continuing-failing-repair-score-with-the-airpods-pro-3/)

ESP32 Decodes S/PDIF Like A Boss (Or Any Regular Piece of Hi-Fi Equipment)
https://hackaday.com/2025/10/06/esp32-decodes-s-pdif-like-a-boss-or-any-regular-piece-of-hi-fi-equipment/

S/PDIF has been around for a long time; it’s still a really great way to send streams of digital audio from device A to device B. [Nathan Ladwig] has got …read more (https://hackaday.com/2025/10/06/esp32-decodes-s-pdif-like-a-boss-or-any-regular-piece-of-hi-fi-equipment/)

GuitarPie Uses Guitar as Interface, No Raspberries Needed
https://hackaday.com/2025/10/06/guitarpie-uses-guitar-as-interface-no-raspberries-needed/

We’ve covered plenty of interesting human input devices over the years, but how about an instrument? No, not as a MIDI controller, but to interact with what’s going on-on screen. …read more (https://hackaday.com/2025/10/06/guitarpie-uses-guitar-as-interface-no-raspberries-needed/)

Airbags, and How Mercedes-Benz Hacked Your Hearing
https://hackaday.com/2025/10/06/how-mercedes-benz-hacked-your-hearing/

Airbags are an incredibly important piece of automotive safety gear. They’re also terrifying—given that they’re effectively small pyrotechnic devices that are aimed directly at your face and chest. Myths have …read more (https://hackaday.com/2025/10/06/how-mercedes-benz-hacked-your-hearing/)