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

In this project I did a Christmas jumper with rgb LEDs, this can also be a creative clothing project or whatever you want, it ...

LCD this year, an OLED version follows in 2027.

We've tested hundreds of smart home products in more than 20 categories to help determine which ones are best for every room in (and out of) the house. I'm PCMag's managing editor for consumer ...

November 24, 2025 • Our annual reading guide returns with 380+ new titles handpicked by NPR staff and trusted critics. Find 13 years of recommendations all in one place — that's more than 4,000 great ...