sir,
My name is Bismi Mary Abraham.i am doing my btech in electronics and communication.i am a final year student.as a part of our curriculum we are doing the major project as automatic college alarm with announcement.butwe doesnt have any details about it..we already developed a circuit.but it is not suitable for our work.so you kindly send me the details including block diagram,circuit diagram.pic programming(we use pic 16f877A),pcb layout etc.my mail id is abrahambismi[at]gmail.com.kindly send me as soon as possible.our presentation is on march first week.