Application of LED

Some of the important applications of LED  are given below:

• It is used in optical switching application.
• It is used in burglar alarm system.
• It is used for indicating power ON/OFF conditions, power level indicators or stereo amplifiers.
• It is used in image sensing circuits in videophones.
• It is used in optical communication system.
• It is used for checking the linearity, speed etc. of opto-electronic detection circuits.
• It is used in motorcycle and bicycle lights.
• It is used in traffic lights and signals.