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Category:

Electronics

  • ElectronicsTutorial

    FPV Antenna Connectors: SMA, RP-SMA, MMCX and U.FL

    by Oscar 4th December 2022
    4th December 2022

    SMA (RP-SMA), MMCX and U.FL are the three main types of connector used in FPV transmitters, receivers and antennas. The many types of connector can be confusing for beginners.  In this guide I will explain…

  • Electronics

    Don’t buy the MacBook Air M2, get the MacBook Pro M1 instead

    by Oscar 20th August 2022
    20th August 2022

    I just bought a MacBook and have done some research on which model is best for me. In this article I will explain why the 14-inch MacBook Pro M1 (2021) is a better purchase than…

  • DIY and HacksElectronics

    How to Fix Mouse Left Button Random Double Clicking (Replacing Switch)

    by Oscar 2nd September 2021
    2nd September 2021

    My 4-year-old Logitech G Pro gaming mouse started giving me random double clicking on the left button. It’s a common issue but took me quite a while to find a real fix, which is to…

  • DIY and HacksElectronics

    FPV Camera Latency Testing

    by Oscar 26th May 2021
    26th May 2021

    I have been testing FPV camera latency independently and I share the results here. Latency has an impact on the pilot’s reaction time and stick feel, and it is one of the most important aspects…

  • ElectronicsTutorial

    Fixing LiPo Batteries with Dead Cells

    by Oscar 2nd March 2021
    2nd March 2021

    If you over-discharge Lipo batteries, you can end up with dead cells that read zero volt and cannot be re-charged again. In this post I documented how I repaired/fixed a LiPo battery by removing the…

  • DIY and HacksElectronicsTutorial

    DIY FPV Display with Fatshark Receiver Module and DVR

    by Oscar 27th February 2020
    27th February 2020

    This post explains how I built my FPV display, a great tool for bench testing, and it lets others watch your flying in the field. This project requires 3D printing, some cheap components and basic…

  • ElectronicsTutorial

    Capacitors For Noise Filtering in Mini Quad

    by Oscar 1st January 2020
    1st January 2020

    Capacitors can make your FPV video signal cleaner, and your mini quad fly better. In this tutorial we will explain what types of low ESR capacitor you should get and why low ESR is important, and…

  • DIY and HacksElectronicsTutorial

    How to Fix Faulty Motor Output on FC

    by Oscar 27th March 2019
    27th March 2019

    Are you having trouble with motor outputs on a flight controller? One of the motors just doesn’t spin when you arm the quad? In this post I will share some experience how to troubleshoot and…

  • DIY and HacksElectronicsTutorial

    Waterproofing Drone Electronics – Conformal Coating Tutorial

    by Oscar 20th February 2019
    20th February 2019

    You can prolong the life of electronics in an FPV drone with waterproofing, the most common method is Conformal coating. It helps prevent components from moisture and chemical damage when flying in extreme conditions.

  • DIY and HacksElectronics

    My Taranis External Module Bay Stopped Working and Fixed!

    by Oscar 31st January 2019
    31st January 2019

    I had a power problem with the Taranis external module bay, it took a while, but it was fixed at last. I want to share this adventure of troubleshooting as it was quite a great learning…

  • DIY and HacksElectronics

    Program ATtiny85 ATtiny45 using Arduino

    by Oscar 26th July 2018
    26th July 2018

    This post shows you how to program ATtiny 85 and 45 micro controllers using the Arduino as an ISP. I also explain the advantages of using Attiny chip over Arduino for DIY projects. 

  • ElectronicsTutorial

    How to dispose Lipo Battery | Old or Damaged Lipo

    by Oscar 2nd July 2018
    2nd July 2018

    The inevitable question for RC hobbyists is how to get rid of old and damaged LiPo. LiPo batteries can extremely dangerous if not handled correctly, causing fire and even explosions. In this guide I will…

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Oscar Liang
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