IoT Air Purifier Makes A Great Case Study In Reverse Engineering

Here at Hackaday, about the only thing we like more than writing up tales of reverse engineering heroics is writing up tales of reverse engineering heroics that succeed in jailbreaking expensive wi…

Hacking A Xiaomi Air Purifier’s 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 LCD on top of the device was s…

A Practical Open Source Air Purifier

In the years since the start of the coronavirus pandemic, it’s fair to say we’ve all become a lot more aware of the air quality surrounding us. Many of us have added a CO2 monitor to ou…

Air Filter DRM? Hacker Opts Out With NFC Sticker

[Flamingo-tech]’s Xiaomi air purifier has a neat safety feature: it will refuse to run if a filter needs replacement. Of course, by “neat” we mean “annoying”. Especial…

ESP32 Brings Air Purifier Online With Home Assistant

A lot of hackers are rightfully concerned about the privacy issues that surround many of today’s “smart” gadgets, but it’s hard to argue that the ability to remotely control…

Clearing The Air About Proprietary Consumables With A Xiaomi Filter DRM Resetter

The “razor and blades model” probably set a lot of young hackers on their current trajectory. If we buy a widget, we want to pick our widget refills instead of going back to the manufac…