Integral to process control in many industries, level measurement sensors fall into two main types. Point level measurement sensors are used to mark a single discrete height (a preset level condition) ...

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

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 ...