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

Gesture control robotics replaces traditional buttons and joysticks with natural hand movements. This approach improves user ...

The experiment is for switching an acoustic sounder as a rain alarm after a predetermine time. It may, however, be tinkered for a number of other applications. Needless to say, this is a simple ...

A few weeks ago, I installed an automatic water heater switch to my bathroom, but it was a crude device. What I really want to do is design a universal heater driver. That basic idea can be adapted to ...