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  1. #1
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    Cool Turning a bulb on with my android + arduino

    My latest creation :

    Controlling a bulb with Arduino

    with:
    - Arduino Uno Rev3
    - Relay
    - wireless module
    - Android software

    A500 - A600 - A1200 - A4000 - CDTV
    www.revistapushstart.com

  2. #2
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    Burger Time Champion, Sonic Champion Harrison's Avatar
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    Cool. Next to wire up the whole house to remove control. Is it via WiFi?

    Have you seen the episode of "Big Bang Theory" where they wire up their whole apartment so it can be remotely controlled from the internet? People from China were switching all of their lights on and off. Then they added remote control cars with cameras, and they all rushed Penny to look up her skirt!

    If you haven't played a classic game in years, it's never too late to start!


  3. #3
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    Seems a bit over the top for a light bulb, but still cool

    I saw that Big Bang episode.

  4. #4
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    It uses a wireless module with bluetooth. I am using the bluetooth protocol over App Inventor,
    I just need to pass a single letter like "O" for ON and "F" for off.
    If letter = "O" then arduino activated the relay to let the current flow. Simple.
    A500 - A600 - A1200 - A4000 - CDTV
    www.revistapushstart.com

  5. #5
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    Burger Time Champion, Sonic Champion Harrison's Avatar
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    Nice. It looked quite instant in control, but what sort of delay do you get between telling it to switch on, and it actually performing it?

    There must be loads of other things this could be used for.

    If you haven't played a classic game in years, it's never too late to start!


  6. #6
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    The delay? well ...
    1) Android has to transmit the 1 character by bluetooth
    2) the Arduino receives the character by it's wireless module. I initialize at 9600 baud, i can do it faster, but it's the advice speed..
    3) The arduino has to send an order to the relay to open a 2nd circuit (DC to AC)

    So, the bluetooth initialization in Arduino code is the major reason (guess is the only true reason).

    And yes you can do all sort of thing with it. Just need a bit imagination, and a lot of time LOL
    this one was not so hard, and i just use some basic components, the other project, the LCD with RTC clock was much more complicated.
    A500 - A600 - A1200 - A4000 - CDTV
    www.revistapushstart.com

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