Oscar Liang
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Latest Posts

  • Robot

    Using potentiometer to vary pitch of a Piezo speaker

    by Oscar 19th November 2011
    19th November 2011

    In this project, we will be using potentiometer to vary the pitch of the sound. This is basically the same as controlling the LED, the only difference is we need to calculate a corresponding pitch …

  • Robot

    Using switch to control Piezo speaker

    by Oscar 19th November 2011
    19th November 2011

    In this project, we will learn how to use a speaker (peizo sounder) and use switch button to change the pitch of the sound. Sorry about this one, you might find it a bit difficult …

  • Robot

    Using switch to change display pattern of 5 LEDs

    by Oscar 19th November 2011
    19th November 2011

    In this project, I will show you how to control multiple LEDs, and use a switch button to change displaying pattern. I will also show you how to include header file to make code tidier.

  • Robot

    Use switch and potentiometer to control a LED

    by Oscar 19th November 2011
    19th November 2011

    In our first project, I will be showing you the basic connections of a LED circuit. To make it more interesting and challenging, I later on replace the switch with a potentiometer, to control the …

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Oscar Liang
  • Shopping List
    • 5″ FPV Drones and Parts
    • Cinewhoops
    • Tiny Whoops
    • FPV Goggles
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    • ESC
    • Motors
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    • Frames
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