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Building kids monitoring device

Discussion in 'General Electronics Discussion' started by markthien, Feb 19, 2010.

  1. markthien

    markthien

    2
    0
    Feb 19, 2010
    Hi guys,

    I'm thinking of building a kids monitoring device. The device is simple that you just need to insert a SIM card into the device and set the nominated cell number and once the device detected any noise in the room for continuosly like 5 seconds, it will drop an SMS to or ring the nominated cell number.

    This is a cool device for parent who want to go out for a while while her kid is sleeping but worry that her kid might wake up when she is out. Parent will rush home once she receives an SMS/ring alert that their kid is woke up.

    With this kind of device, parent will have peace of mind going out for a short period of time like 1 or 2 hours while their kid is sleeping.

    I guess this device needs:
    1. sound sensor
    2. mini GSM modem
    3. memory to store the nominated number
    4. chip that let user to set the length of the noise b4 SMS is sent out or making a call
    5. display screen
    6. mini keyboard for entering number.

    Any advice is appreciated. Thanks!

    Kind regards,
    Mark Thien
    :D
     
  2. tarar916

    tarar916

    6
    0
    Feb 12, 2010
    most of the gsm modules (older ones) take AT commands for the execution of the work.
    they usually require serial interface for the AT commands to be recieved in a meaningful way. so u will be needing a Microcontroller(MC) for the serial commands to be sent to the module. more over the MC can be used for taking the no from the user, giving the required delay for soung threshold and also storing the no from the user on which the message is to be sent
    hope this will help u
     
  3. markthien

    markthien

    2
    0
    Feb 19, 2010
    Hi Tarar916, can you advice on what component to buy in order to assemble this device?
     
  4. sall

    sall

    51
    0
    Jan 29, 2010
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