wireless technology

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i am new to embedded systems designing...

i am trying to move the robot in all directions using ir rays...

i am ready with the receiver part i.e of ir sensor ...

but i am lagging with the knowledge of transmitter coding and how to pass the signals with that code i.e 0's,1's .

is there any ir transmitter ic that genaretes that can transmit up to 8 bits of code.......