How to Build an FPV Camera Shield
A “how to” build video for the FPV Camera Shield, so you can bang a set of five of these out in about 15 minutes.
Previously described:
https://vk4ghz.com/the-0-06-fpv-camera-protector-shield/
🙂… Read more...
Video
Low Volts Alarm Mod – Reducing the Volume
If you’re wearing a FPV headset, goggles, or perhaps have a ground station being powered off a lipo battery you’ll want a low volts warning, but not a loud ear-splitting alarm going off right next to your ear!
Based on low cost low volts alarm from Hobby King, here’s an easy solution.… Read more...
Naze32 Lost Model Beeper Piezo – Making it LOUDER!
The Naze32 Flight Controller has a “lost model beeper” output, which looks like this on the schematic diagram:
We can see the beeper output is an open collector transistor, pulling one side of the piezo down to ground.
The other side of the piezo goes to +5V.… Read more...
Herding Elephants with a UAV
Park Rangers in Africa are using a DJI Phantom to herd pesky elephants away from farmers crops.
Originally aired on ABC-TV News 24 on Wednesday 20-5-2015.
🙂… Read more...
Circular Wireless 2.4 GHz Helical Return Loss Sweep
In this video we take a look at performing a return loss sweep on a ‘Heliaxial24’ 2.4 GHz 6½ turn helix antenna from Circular Wireless.
Construction is first class, along with it’s first class 75 Euro price tag, but the results are rather disappointing.… Read more...
Xiaomi Yi – Safe to fly with 2.4 GHz?
The Xiaomi Yi is my first camera that has 2.4 GHz connectivity built in.
Having a number of R/C multirotors all using 2.4 GHz control, I was wondering if the 2.4 GHz transmitter in the Xiaomi Yi camera was absolutely off in the standby state, and not transmitting at all.… Read more...
FPV Quadcopter Racing on the News!
Some of the local boys showing “FPV” (First Person View) mini-quadcopter racing in a carpark environment.
… Read more...
IBCrazy 2.4 GHz Bluebeam Antenna Return Loss Sweep
This video takes a look at performing a return loss sweep on a set of IBCrazy 2.4 GHz Bluebeam Ultra antenna set.
Sweeping is performed using a PC Driven Windfreak SynthNV.
… Read more...The Windfreak SynthNV is a 34.4MHz to 4.4GHz software tunable RF signal generator controlled and powered by a PC running Windows XP, Windows 7, or Android via its USB port.
Mini Quad FPV Audio Mic Preamp
I currently fly FPV using a 7″ screen with a built in 5.8 GHz receiver. ie; no goggles here yet.
This screen has built in speakers, and I was curious if being able to listen to real-time audio would be helpful, or not.… Read more...
Sony 960H Effio-V 800TVL camera unboxing
This is quick look at the Sony 960H Effio-V 800TVL FPV camera (PAL version), and what you actually receive.
There are many positive reviews to be found on this camera, and it appears to have become the new fav with FPV flyers, replacing the PZ0420.… Read more...
Hover bike
Coming to a future near you!
Only at proof-of-concept phase, but how cool is this idea.
Perfect for ducking over to Morton Island, or Straddy, for lunch!… Read more...
Hobby King T-Style CF Propellers review
Genuine T-Motor 12″ Carbon Fibre propellers are $65/pair.
Perfection out of the box doesn’t come cheap, but by the end of this article, you may gain a better appreciation for T-Motor products.
Gemfan “T-Style” CF knock offs from BoltRC are much lower cost at $23.05/pair.… Read more...
F550 Quad hover endurance test – Zippy LiPo
This video takes a look at another F550 hover endurance test, but this time with a Zippy Compact brand 3S 3300mAh LiPo battery.
* Time compressed, so you don’t sit through the entire xx minutes!
… 
F550 Quad hover endurance test – Turnigy LiPo
This video takes a look at an F550 quad, running 3S from a Turnigy 3300mAh LiPo battery.
During the hover endurance test, an overview of the system is given.
* Time compressed, so you don’t sit through the entire xx minutes!… Read more...
VK4GHZ Products
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Eltek FLATPACK2 Volts Setter
$60.00 AUD
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Eltek FLATPACK2 24/48V Touchscreen Controller Kit
$145.00 AUD
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Genuine OEM Belt Clip for Anytone AT-D878UV & AT-D868UV - 3 Pack
$21.00 AUD
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K3NG Universal Rotator Controller Kit
$109.00 AUD
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K3NG Universal Remote i2c Starter Kit
$20.00 AUD
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YK04 Remote Control Kit
$30.00 AUD
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