A potentiometer is defined as a 3 terminal resistor having a rotating or sliding contact that makes up the adjustable voltage divider. If you are using only the two term

The act of sensing the absence or the presence of a substance (object) with a non-contact or contact sensing device is known as presence sensing. The sensors generate an output signal (electrical) that can be utilized to control processes or equi

Light curtains come under optoelectronic devices that are utilized to defend personnel in the proximity of moving machinery th