why cant we simply connect it with a battery with a resistor with a continuous flow? and at receiver side a simply photo diode or transistor can receive it? why we need such complex circuits for modulated tx- rx? do modulation effect distance or something else?
i am mew to this world, please don't mind for my very basic question.
ravi
i am mew to this world, please don't mind for my very basic question.
ravi