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.

Red and green traffic signa



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