Category: Tutorial

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Customize Jumper T16 Interface Color and Layout

Here is a little trick that many people don’t know about the Jumper T16 – you can fully customize the color and interface layout of the home screen! See my review of the Jumper T16 Pro, you can purchase it from: So this is the original home screen layout and color, kind of boring right?…
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4in1 ESC Shielding – Oscar Liang

Getting noise and annoying lines in your FPV video, even after adding extra capacitor and even LC filter? The issue could be coming from your 4in1 ESC and it might need some shielding. The MOSFET’s on your ESC switch thousands of times per second and creates EMI (electromagnetic interference) that can affect your FC –…
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How to Choose Motor for Racing Drone & Quadcopter

This tutorial explains the basics of mini quad motor: construction, design features and other factors that affect the performance and efficiency of a motor. This will help you choose the optimal motor for your next quadcopter and racing drone build. If you are new, make sure to check out our beginner’s guide to mini quad…
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How To Choose FPV Camera For Quadcopters and Drones

Dedicated FPV cameras provides low latency real-time video to the drone pilots when they are flying. To choose the best FPV camera for racing drones and multirotors in general, there are a few things to consider which we will discuss in this tutorial. FPV camera is one of the most important parts of the FPV setup on a quadcopter.…
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Getting Started with Ultra-light Micro Quad (Toothpick)

This article aims to help you get into the ultralight micro quads (aka Toothpick). There are pre-built models and you can also build your own. I will explain how to choose the right components and setup, and give you some tips and accessories that might make life easier. Based on my understanding, a toothpick is…
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Parallel Charging Without Plugging in Main Leads

Here is a quick tip how to parallel charge LiPo batteries without plugging in the discharge leads, only with balance leads. This is inspired by Joshua Bardwell, all you need is a cable that you can easily make by yourself. If you are new, check out my guide to parallel charging. I bought this parallel…
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How to Bind Frsky ACCESS Receiver and Transmitter

The new Frsky ACCESS system bind procedure is slightly different and confusing for new comers. In this post I will explain the steps on how to register and bind receivers to your ACCESS transmitter. With the older ACCST protocol, binding is just binding. But with ACCESS, you now have to first register the receiver before…
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How I Opened Up Fatshark Goggles (HDO) and Replaced DVR Board

I had to replace the DVR board inside my Fatshark HDO, so I thought I should document my process of opening up the plastic housing to access the electronic hardware. It’s also interesting to see the inside of a Fatshark FPV goggles 🙂 Disclaimer: Opening up your goggles might void your warranty, so check with…
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Betaflight Configurator Modes/OSD Tabs Not Loading | Fix

Some people who own a model that uses the Crazybee F4 Pro FC like the Mobula7, Trashcan, RedDevil and Sailfly, recently have issues with Modes tab and OSD tab not loading in Betaflight Configurator. Here is how to fix it. If the modes tab or OSD tab isn’t loading, or it freezes, or it gets…
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Half Wavelength Antenna Mod on CrazyBee F4 (Sailfly/RedDevil/Trashcan)

So many people are doing this “half wavelength antenna mod”, which they claim can improve the range of the Crazybee F4 Pro FC, simply by replacing the original antenna with a longer wire. But does it actually work? I am here to find out. Disclaimer: the approach shown here is what has been going around…
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