Fighting Food Poisoning With A Patch
https://hackaday.com/2026/01/09/fighting-food-poisoning-with-a-patch/

Food poisoning is never a fun experience. Sometimes, if you’re lucky, you’ll bite into something bad and realize soon enough to spit it out. Other times, you’ll only realize your …read more (https://hackaday.com/2026/01/09/fighting-food-poisoning-with-a-patch/)

A UI-Focused Display Library For The ESP32
https://hackaday.com/2026/01/09/a-ui-focused-display-library-for-the-esp32/

If you’re building a project on your ESP32, you might want to give it a fancy graphical interface. If so, you might find a display library from [dejwk] to be …read more (https://hackaday.com/2026/01/09/a-ui-focused-display-library-for-the-esp32/)

Seeing Sound with a Laser
https://hackaday.com/2026/01/09/seeing-sound-with-a-laser/

You can hear sound, of course, but what if you could see it with a laser? That’s what [Goosetopherson] thought about, and thus a new project that you can see …read more (https://hackaday.com/2026/01/09/seeing-sound-with-a-laser/)

Bose SoundTouch Smart Speakers get an Open Source Lifeline
https://hackaday.com/2026/01/09/bose-soundtouch-smart-speakers-get-an-open-source-lifeline/

After initially announcing that Bose will completely turn off all ‘smart’ features in its SoundTouch series of speaker products, the company has seemingly responded to the wave of unhappy feedback …read more (https://hackaday.com/2026/01/09/bose-soundtouch-smart-speakers-get-an-open-source-lifeline/)

Math Breakthrough Helps Your Feng Shui
https://hackaday.com/2026/01/09/math-breakthrough-helps-your-feng-shui/

In 1966, a mathematician named [Leo Moser] proposed what sounds like a simple problem: What’s the largest shape you can move through a 1-meter corridor with a right-angle corner? Now, …read more (https://hackaday.com/2026/01/09/math-breakthrough-helps-your-feng-shui/)

BASIC Programming With No Strings Attached
https://hackaday.com/2026/01/09/basic-programming-with-no-strings-attached/

Yamato-1: the World’s First Ship With Magnetohydrodynamic Propulsion
https://hackaday.com/2026/01/10/yamato-1-the-worlds-first-ship-with-magnetohydrodynamic-propulsion/

Although the humble propeller and its derivatives still form the primary propulsion method for ships, this doesn’t mean that alternative methods haven’t been tried. One of the more fascinating ones …read more (https://hackaday.com/2026/01/10/yamato-1-the-worlds-first-ship-with-magnetohydrodynamic-propulsion/)

Texas Instruments Explain Low-Dropout Linear Voltage Regulators
https://hackaday.com/2026/01/10/texas-instruments-explain-low-dropout-linear-voltage-regulators/