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eLGin said:Hi there,thanks for replying me msg.i really in dire of help.Currently i am doing a project which consists of IR detector.Well i think i explain in detail....
IR detector -> 7 segment counter display -> 8051 micro-controller -> speed of fan.
I will like to further enhance this project by adding an extra circuit.I thought of adding a noise filter circuit where it can detect noise and from there it goes through the micro controller and to the lcd display where it shows "The noise level is too high".
i wonder if u peeps know any circuit designs which can detect noise and show onto lcd display.
thanks alot.
eLGin said:Erm sorry to ask you something again.To be precise about my project.i call my project "Smart Room System".I just mainly want to detect any noise produced in a room,something like a classroom.hMm if u say using a microphone,i dont think is suitable.