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Latest Posts

  • Robot

    How to control a Servo

    by Oscar 28th November 2011
    28th November 2011

    In this one, servo is programmed to be controlled by two buttons, one turns servo to the left and the other one turns it to the right. When the servo is turning, corresponding LED will…

  • Robot

    IR obstacle detection Robot

    by Oscar 28th November 2011
    28th November 2011

    Today, I happened to come across this website, describing how to build a very simple robot without any electronics knowledge. It’s very interesting and easy. But it suggests a budget of over $110 which is very…

  • Robot

    Learn how to use 4-digit-7-segment LED Display

    by Oscar 23rd November 2011
    23rd November 2011

    In our last project, I shown you how to use one digit 7 segment LED display. In this one, I will show you how to use all 4 digits. I will be using the class…

  • Robot

    Learn how to use 7-Segment LED Display

    by Oscar 21st November 2011
    21st November 2011

    7-Segment LED Display is a very useful component, but also a very confusing and difficult piece to use for beginners. It won’t be difficult once you get it working for the first time. This is what…

  • Robot

    Using PWM for motor speed control

    by Oscar 20th November 2011
    20th November 2011

    Just like what we did in our first project, we control the brightness of a LED using potentiometer, we will be using a motor instead of the LED, the only difference is we will introduce…

  • 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.

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Oscar Liang
  • Deals
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    • Motor & Props
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