In this video I'm walking you through the steps I took to make a standalone version of my pellet level monitoring sensor that ...

In this video, I created a blood oximeter by using the MAX30105 particle sensor to figure out the changes in color of passing ...

Volos Projects recently showcased an easy-to-reproduce, inexpensive DIY ESP32-S3 Internet radio based on a Waveshare ESP32-S3-LCD-1.54 development board ...

What did Elliot Williams and Al Williams read on Hackaday last week? Tune in and find out. After a bit of news, [Vik Oliver] chimes in with some deep PLA knowledge. Then the topic changed to ...

What's CODE SWITCH? It's the fearless conversations about race that you've been waiting for. Hosted by journalists of color, our podcast tackles the subject of race with empathy and humor. We explore ...

March 25, 2026 • On Monday, Sen. Markwayne Mullin was confirmed as the newest head of the Department of Homeland Security, replacing Kristi Noem. It's an enormously consequential role that involves ...

Installing a smart water sensor can save you a lot of money and hassle. The top leak detectors we've tested immediately alert you to issues and even shut off your home's water supply. I’ve been ...

Want better audio from your TV? From our test lab to your living room, these are the top soundbars we've tested. I’m PCMag’s home theater and AR/VR expert, and your go-to source of information and ...

China’s microelectromechanical systems (MEMS) sensor industry is surging, but technical gaps, fragmented production and coordination challenges hinder its full potential. As global demand accelerates, ...

An in situ computational spectrometer, implemented on a fully integrated 576-Kb memristor chip, can reconstruct a single spectrum in 125.0 ns and consumes only 6.7 nJ of energy, achieving ...