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

I had this idea of building my own bicycle lighting system totally personalized, the lights would have the exact lighting ...

Scientists at Harvard have built a miniature device that can twist and tune light in real time. By rotating two stacked ...

Although the RTL-SDR is cheap, accessible, and capable enough for many projects, it does have some important limitations. In ...

One of the coolest things about old hi-fi hardware is that it often came with flickety needles that danced with the audio ...