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Category:

Tutorial

  • ReviewsTutorial

    Multiwii Flight Controller

    by Oscar 5th December 2013
    5th December 2013

    Multiwii is a quadrotor autopilot system (FC firmware) developed by many RC hobbyists around the world. This project uses an Arduino board as a the processor, however it’s been seen to run on other platforms. This…

  • Tutorial

    Calibrate Magnetometer in Multiwii for Multicopter Quadcopter

    by Oscar 12th November 2013
    12th November 2013

    What is Magnetometer and Why Calibration is important Magnetometer is simply an electronic compass, it gives readings in X, Y, Z directions, it is used alongside with Gyro and Accelerometer to give the aircraft a reference to…

  • Tutorial

    Use Different Brand ESC together on a Copter?

    by Oscar 10th November 2013
    10th November 2013

    Sometimes you might have a broken ESC on your quadcopter or multicopter, and you happen to have no spare ESC of that brand, but you have a similar ESC from another Brand! Can we use…

  • Tutorial

    Quadcopter Flies unstable and flips – troubleshoot and fix

    by Oscar 5th November 2013
    5th November 2013

    I had a problem with my quadcopter being very unstable and occasionally flip on take-off. It is flyable but is very difficult to hover. Someone suggested that I should check the PID settings. However whatever I…

  • Tutorial

    Calibrate Accelerometer in Multiwii GUI for Multicopter Quadcopter

    by Oscar 4th November 2013
    4th November 2013

    As we know there are gyro sensors on multicopters, and some of them even have an accelerometer. Multicopter that are equipped with gyros and accelerometers can achieve stabilization requiring little even no control from the…

  • Tutorial

    Multiwii Different Flight Modes Names in GUI

    by Oscar 3rd November 2013
    3rd November 2013

    When I first started with Multiwii, I was completely lost with all the flight mode names in the GUI. I can roughly figure out or guess some of them, and what they do, but I wasn’t…

  • Tutorial

    Best Multicopter Configuration for Aerial Photography Video

    by Oscar 25th October 2013
    25th October 2013

    Aerial photography and FPV flying are getting really popular these years among hobbyists. Multicopter is a great platform for these purposes even if you have little or no flying experience. There are some of my personal…

  • Tutorial

    PID Tuning using Transmitter Multiwii

    by Oscar 15th October 2013
    15th October 2013

    The MultiWii flight control software has the built-in functionality of using an attached LCD for viewing and adjusting PID settings. That would make tuning PID values so much easier without connecting to the computer and use the…

  • ElectronicsTutorial

    How to use BJT Bipolar Junction Transistor – Beginner’s Tutorial

    by Oscar 12th October 2013
    12th October 2013

    What is BJT? BJT (bipolar junction transistor) are widely used an amplifier, oscillator, switch etc. It is a current-driven device (MOSFET is voltage driven), the output current is equal to the input current times a factor which…

  • Tutorial

    Cheap and Simple Quadcopter FPV Ideas

    by Oscar 12th October 2013
    12th October 2013

    FPV is one of my ultimate goals flying a quadcopter. The quadcopter FPV videos are just so amazing! You need at least a video receiver, transmitter and a camera for the FPV system, and it…

  • ElectronicsTutorial

    BJT vs MOSFET

    by Oscar 12th October 2013
    12th October 2013

    For many people who aren’t familiar with electronics often struggle to decide whether to use BJT or MOSFET in their projects. In this article I will explain the differences between BJT and MOSFET and help…

  • Tutorial

    Multiwii Loaded Arduino Nano Quadcopter Take Off Testing

    by Oscar 8th October 2013
    8th October 2013

    After the arduino connection testing, all the parts seem working fine (IMU, arduino, receiver, ESC and motor). So the next step is to try to do a take off test. I need to build a…

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Oscar Liang
  • Ultimate Shopping List
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