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  1. Birdie

    Help Plz - Room Noise Detector

    Hello...I reallyneed help I'd like to ask some questions about the room noise detector circuit in page : http://www.electronics-lab.com/projects/sensors/012/index.html 1- How can i try simulation for it ?? as i tried Multisim 8 but i faild to find a mic so is there anyway for simulation ??? 2-...
  2. Birdie

    ATMEL 8051 project

    hi I need some help in my school project.. i'm supposed to make a temperature controling system... where when it's hot a fan works & when it's cold a heater works... My problem is that I don't know what the realy switch is .. i never worked with it before & i dunno its connection so can...
  3. Birdie

    Silly Question

    BUT what about the other row ???
  4. Birdie

    Silly Question

    thanks all for the help
  5. Birdie

    Silly Question

    hey thanks for ur help.. i don't have a picture to that switch & my camera has something wrong so i can't send a picture of ii but i can describe it.. it has 2 rows each of 3 pins. I duuno what to say more about..
  6. Birdie

    Silly Question

    hello i need that the question i'll ask is a very silly one but i really dunno it's answer.. I have an on/off switch with 6 pins & i have no idea how to connect it ..can anybody help me ?
  7. Birdie

    555 Timer problem

    hey !!! I'm just trying to have all the possible suggestions & solutions.
  8. Birdie

    555 Timer problem

    hi i just wanna ask about something in the 555 timer... i have a school project which is about a digital clock.. i'm attaching a very simplified out line of the circuits.. i'm not attaching the details... anyway the problem is in the 555 timer ...i think it's not working properly so i just wanna...
  9. Birdie

    74LS160, 74LS47, 555 timer

    hello i'm new here and this is my 1st subject.. I just need the full data sheets of 74LS160, 74LS47 & 555 timer with all the discriptions of the pins & the other stuff. Thanks alot
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