Hi...currently im doing IR transmitter and receiver circuit,well basically..transmitter had oredi done,jus tat my receiver got a bit problem,whenver my receiver detect IR signal from my transmitter,it only detected for 1 or 2 seconds,wonder wut going wrong??izzit frequency not correct??i use modulated receiver..which the output shud be either 1 or 0,i had changed several receiver but still get the same result..help pls!!