Custom Firmware For Even Cheaper Bluetooth Thermometers

Readers may recall when we first covered the $5 Xiaomi LYWSD03MMC temperature and humidity sensor back in 2020. Prolific hacker [Aaron Christophel] wrote a custom firmware for the affordable gadget…

Hacking An Actual WiFi Toothbrush With An ESP32-C3

Following on the heels of a fortunately not real DDoS botnet composed of electric toothbrushes, [Aaron Christophel] got his hands on a sort-of-electric toothbrush which could totally be exploited f…

Bambu Lab To Allow Installing Open Firmware After Signing Waiver

On January 10th Bambu Lab published a blog post in which they address the issue of installing custom firmware on your Bambu Lab X1 3D printer. This comes hot on the heels of a number of YouTube cha…

An Open Source Firmware For Cheap Geiger Counters

It is a time-honored tradition: buy some cheap piece of gear and rewrite the firmware to make it work better. [Gissio] managed to do just that for a cheap FS2011 Geiger counter. Apparently, the fir…

Low-Cost 433 MHz Door Sensors Get Open Firmware

It’s an unfortunate reality these days that if you see a cheap piece of consumer electronics, there’s a good chance its only cheap because it’s designed to lock you into some ecos…