Photodiode is a light detector semiconductor device that converts light energy into electric current or voltage which depends upon the...

The LED is a PN-junction diode which emits light when an electric current passes through it in the forward direction....

Photocoupler or Optocoupler is a device that transfers electrical signals between two isolated circuits by using light.Photocouplers are used in...

Timer IC-555 is the one of the most commonly used general-purpose linear integrated circuits. The Timer IC 555 comprises two...

A Monostable Multivibrator, also known as a one-shot multivibrator, is an electronic circuit that generates a single output pulse in...