Infrared communication transmitted data through infrared
spread in the air and infrared as a carrier for communication. It
is composed of infrared transmitter and infrared receiver. In
transmitter, digital signals sent into the light converting circuit
after appropriate modulation codes, digital signals convert into
infrared pulse firing into the air through the infrared
transmitting tube. At the receiving end, infrared receiver
received infrared pulse converter, to restore the original signal
after demodulation decoding