By reading different values from the sensor, we can detect if is it light , dark or a value between them. Another element that we are going to use on this experiment is Piezo Buzzer. So what is it ?

Aiming at vibration-based equipment condition monitoring, Analog Devices has introduced a kit for hardware, software and algorithm development that will interface with data analysis tools including ...

the Model TRHN-308 solid-state vibration sensor provides a pulse-signal output from an integrated piezo crystal. A Useful in out-of-balance occurrences such as those common to home washers/driers ...

The sensor offers a standard IEPE type interface to enable easy integration with existing plant protection and monitoring equipment. Furthermore, the VEL/GLF provides advantages over traditional ...

Able to perform shock and vibration measurements in space ... 2.8 mm x 5.7 mm and weighs only 0.2 gram. The sensor employs a shear-mode, piezo-ceramic element that generates a 5 mV/g output ...