Hacking A Xiaomi Air Purifier’s Filter DRM To Extend Its Lifespan
https://hackaday.com/2024/01/26/hacking-a-xiaomi-air-purifiers-filter-drm-to-extend-its-lifespan/

When [Unethical Info] was looking at air purifiers a while back, their eye fell on a Xiaomi 4 Pro, with a purchase quickly made. Fast-forward a while and suddenly the …read more (https://hackaday.com/2024/01/26/hacking-a-xiaomi-air-purifiers-filter-drm-to-extend-its-lifespan/)

Nanotechnology in Ancient Rome? There Is Evidence
https://hackaday.com/2024/01/26/nanotechnology-in-ancient-rome-there-is-evidence/

Anything related to nanotechnology feels fairly modern, doesn’t it? Although Richard Feynman planted the seeds of the idea in 1959, the word itself didn’t really get formed until the 70s …read more (https://hackaday.com/2024/01/26/nanotechnology-in-ancient-rome-there-is-evidence/)

A ZX Spectrum Raytracer, in BASIC
https://hackaday.com/2024/01/26/a-zx-spectrum-raytracer-in-basic/

https://gabrielgambetta.com/zx-raytracer.html
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2024/01/Screenshot-from-2024-01-25-20-58-55-featured.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2024/01/Screenshot-from-2024-01-25-20-58-55-featured.png?w=800">[Gabriel Gambetta] knows a few things about ray tracers, being the author of Tiny Raytracer, a raytracer written in just 912 bytes of JavaScript. As a long-time fellow sufferer of …read more (https://hackaday.com/2024/01/26/a-zx-spectrum-raytracer-in-basic/)

Soldering Holder from Old Lamps
https://hackaday.com/2024/01/27/soldering-holder-from-old-lamps/

One of the neat things about 3D printing is that you can create custom parts to fit salvage to use in projects. For example, [Willyrags05] took a lamp — looks …read more (https://hackaday.com/2024/01/27/soldering-holder-from-old-lamps/)

A Hydroelectric Dam, Built Out of LEGO
https://hackaday.com/2024/01/27/a-hydroelectric-dam-built-out-of-lego/

Hydroelectric dams are usually major infrastructure projects that costs tens of millions of dollars to construct. But they don’t have to be — you can build your own at home, …read more (https://hackaday.com/2024/01/27/a-hydroelectric-dam-built-out-of-lego/)

In Praise of “Simple” Projects
https://hackaday.com/2024/01/27/in-praise-of-simple-projects/

When I start off on a “simple” project, experience shows that it’s got about a 10% chance of actually remaining simple. Sometimes it’s because Plan A never works out the …read more (https://hackaday.com/2024/01/27/in-praise-of-simple-projects/)

A General-Purpose PID Controller
https://hackaday.com/2024/01/27/a-general-purpose-pid-controller/