Oscar Liang
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Latest Posts

  • Robot

    Simple Hexapod Robot Using Arduino

    by Oscar 1st January 2012
    1st January 2012

    This Simple Hexapod Robot is more like a downgrade from my last robot. The quadruped robot I was trying to build didn’t actually quite work though I spent quite a lot of time, but I have…

  • Robot

    Visual Basic Arduino Controlled Through USB

    by Oscar 1st January 2012
    1st January 2012

    Visual Basic Arduino. So, Why? When we are debugging and testing our circuits and codings, most of the times we reset the Arduino board and upload the new program. But the thing is everything has a…

  • Robot

    Arduino HC-SR04 How to use Ultra Sonic Sensor

    by Oscar 27th December 2011
    27th December 2011

    Arduino HC-SR04 The Arduino HC-SR04 is different from most of those commonly seen on the market, which have 4 pins compared to 3 pins. But the operation principle is the same, transmit signal, and depends…

  • Robot

    Wally – IR Detection Robot

    by Oscar 16th December 2011
    16th December 2011

    My First ever Robot. It tracks objects using Infra-red sensors, and has basic AI that follows and avoid objects. I will describe the how I made this robot, and upload some videos.

  • Robot

    Build your own IR detector

    by Oscar 15th December 2011
    15th December 2011

    Let’s have a look at the result! Check our my last tutorial to see how it works (theory and example). https://oscarliang.com/infra-red-detection-and-photo-transistor-testing/

  • Robot

    Infra Red detection and Photo Transistor Testing

    by Oscar 14th December 2011
    14th December 2011

    IR is invisible to human eyes.  There are two main frequency IR emitters are used: 850nm and 950nm. however for detector, the detectable range covers both frequencies. As we can’t see IR, one way to…

  • Robot

    Build a Servo Head

    by Oscar 9th December 2011
    9th December 2011

    This one hasn’t got too much technical stuff involved, all the operations are from previous tutorials. The main things would be the turning head that I made purely from cardboard, and a couple of screws.

  • Robot

    Build your own motor driver!

    by Oscar 7th December 2011
    7th December 2011

    What is L293D?  So what’s L293D, and what does motor driver do? The L293D is a H bridge 16-pin chip that takes an external power supply and drive up to two 5V DC motors (suitable for…

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FPV Drone Tutorials

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Oscar Liang
  • Deals
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    • FPV Antenna
    • 4S and 6S LiPo
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