hey shiva watever may be the information u hav till now regardin dis project..can u share with me??... i actually want to complete dis project sooner the possible.may be the...

for a good radio other than FM transmitter and antenna wat are the others components i will require....(be precise) plz if anyone can help me i'll be thankful....

Hey thanks karthik...it is commendable dat u replied my ques i'll surely come with more queris further

can u please tell me..that why we use only NPN transistor in an optocoupler....??