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Motion Detection

  • 25-02-2010 3:36pm
    #1
    Potency
    Registered Users, Registered Users 2 Posts: 104 ✭✭


    Hello,

    I've had an idea but I don't really know how to go about it. I have basic knowledge of electronics and circuits but the idea for this is to dive in head first and attempt to make something useful!

    I want to make a device that will detect motion (cars/people), send a signal wirelessly several meters to a receiver which will be connected to a buzzer or speaker and alert me to the motion. It has to go through brick wall into my house.

    So my idea was to use either a PIR or ultrasonic motion sensor connected to maybe an AM transmitter? TBH, I don't know a lot about radio or wireless. Can anybody suggest how to send this signal inside to inside my house? Lets say radio would work, have the AM transmitter send a sound generated from an ic outside to a receiver inside which is connected to a speaker.

    This is more of a learning experience for me, and I hope someone can fill in the blanks.. Or correct what I have already redface.gif.

    Thanks!


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