This project just makes a wireless fm microphone which looks
very simple in its structure. It is a useful device in our day-
today life. A wireless microphone, as the name implies, is a
microphone without a physical cable connecting it directly to
the sound recording or amplifying equipment with which it is
associated. More commonly known as a Radio Microphone, there are
many different standards, frequencies and transmission
technologies used to replace the microphone's cable connection
and make it into a wireless microphone. They can transmit, for
example, in radio waves using UHF or VHF frequencies, FM, AM, or
various digital modulation schemes. Some low cost models use
infrared light. Infrared microphones require a direct line of
sight between the microphone and the receiver, while costlier
radio frequency models do not. Some models operate on a single
fixed frequency, but the more advanced models operate on a user
selectable frequency to avoid interference and allow the use of
several microphones at the sa