Hi every body .
Before A 3 months Ago , one of my friend ask me to build a Simple FM transmitter , he Would to transmit An Audio File from computer and PLAY it on any radio channel , By adjust the frequency of receiver as same as transmitter frequency
I searched on the internet on for this circuit , But I don't find my target .
There were some circuits with many component , or with miss component , so I search more and i Found one of the amazing method, effective and easy to use , with few component .
and for easy interface with , I added A graphical LCD Nokia 5110 PCD8544 , and added a Potentiometer to tune the transmitter Frequency .
let's see what we need :