I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I ended up using a microcontroller and a piece ...
Measuring the speed of a rotating object is a common requirement. Knowing the speed of table and ceiling fans, as well as ...
Theremin is an electronic musical instrument that can be played without physical contact. When playing a Theremin, the performer controls the volume and pitch with his/her hand position relative to ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results