Hacking the 22€ BLE SR08 Smart Ring With Built-In Display
https://hackaday.com/2025/02/05/hacking-the-22e-ble-sr08-smart-ring-with-built-in-display/

In the process of making everything ‘smart’, it would seem that rings have become the next target, and they keep getting new features. The ring that [Aaron Christophel] got his …read more (https://hackaday.com/2025/02/05/hacking-the-22e-ble-sr08-smart-ring-with-built-in-display/)

Investigating Why Animals Sleep: From Memory Sorting to Waste Disposal
https://hackaday.com/2025/02/05/investigating-why-animals-sleep-from-memory-sorting-to-waste-disposal/

https://commons.wikimedia.org/wiki/File:Alopex_lagopus_IMG_9019.JPG
" data-image-caption="Sleeping arctic fox (Alopex lagopus). (Credit: Rama, Wikimedia)
" data-medium-file="https://hackaday.com/wp-content/uploads/2025/01/Alopex_lagopus_IMG_9019.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/01/Alopex_lagopus_IMG_9019.jpg?w=800">What has puzzled researchers and philosophers for many centuries is the ‘why’ of sleep, along with the ‘how’. We human animals know from experience that we need to sleep, and …read more (https://hackaday.com/2025/02/05/investigating-why-animals-sleep-from-memory-sorting-to-waste-disposal/)

FLOSS Weekly Episode 819: Session, It’s all Abot the Metadata
https://hackaday.com/2025/02/05/floss-weekly-episode-819-session-its-all-abot-the-metadata/

This week, Jonathan Bennett talks Session and cryptocurrency skepticism with Kee Jefferys! Why fork Signal? How does Session manage to decentralize? And why the cryptocurrency angle? Listen to find out! …read more (https://hackaday.com/2025/02/05/floss-weekly-episode-819-session-its-all-abot-the-metadata/)

Good-Looking HAT Does Retro Displays Right
https://hackaday.com/2025/02/05/good-looking-hat-does-retro-displays-right/

Mick Jagger famously said that you cain’t always get what you want. But this is Hackaday, and we make what we want or can’t get. Case in point: [Andrew Tudoroi] …read more (https://hackaday.com/2025/02/05/good-looking-hat-does-retro-displays-right/)

Investigating Electromagnetic Magic in Obsolete Machines
https://hackaday.com/2025/02/05/investigating-electromagnetic-magic-in-obsolete-machines/

Before the digital age, when transistors were expensive, unreliable, and/or nonexistent, engineers had to use other tricks to do things that we take for granted nowadays. Motor positioning, for example, …read more (https://hackaday.com/2025/02/05/investigating-electromagnetic-magic-in-obsolete-machines/)

Making Products for Fun and (Probably No) Profit
https://hackaday.com/2025/02/05/making-products-for-fun-and-probably-no-profit/

If you’re like most makers, you have a few product ideas kicking about, but you may not have made it all the way to production of those things. If you’re …read more (https://hackaday.com/2025/02/05/making-products-for-fun-and-probably-no-profit/)

This Thermometer Rules!
https://hackaday.com/2025/02/05/this-thermometer-rules/