Measuring the speed of a rotating object is a common requirement. Knowing the speed of table and ceiling fans, as well as ...

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

Samsung’s next-generation foldables should go official in a few months, but if you were expecting a dramatic leap in display technology, you mig ...

Making a servo tester using an Attiny85 micro chip, Attiny45 also works for this project. This diy servo tester is as good as ...

The 8051 was an 8-bit Harvard-architecture microcontroller first put out by Intel in 1980.  They’ve since discontinued that ...

Shop wisely, and you can land a midsize display with wide color coverage and maybe some surprising extras starting at well under $100. Here's how to snag the best cheap monitor (or two of 'em!), plus ...

A study suggests the first of seven key pyramids in Egypt, the Step Pyramid of Djoser, was built using a hydraulic lift. Dated to about 4,500 years ago, this would move up the introduction of major ...

NEW YORK (AP) — The Group of Seven major industrialized powers holds off on using strategic reserves to lower soaring oil prices.