Realacc UXII circular polarized 5.8GHz FPV antenna – Lumenier AXII chinesium clone

Cloners gonna clone and chinesium keeps being chinesium! It did not take long for Banggood / Realacc to clone Lumenier AXII FPV antennas and call them Realacc UXII circular polarized FPV antenna. Coincidence? I do not think so.

Realacc UXII circular polarized 5.8GHz FPV antenna

I've ordered few of those in December, they arrived last week and this is what came in package

Realacc UXII circular polarized 5.8GHz FPV antenna

Realacc UXII circular polarized 5.8GHz FPV antenna

Unfortunately, in this case, the build quality was typical chinesium. As soon as I opened one of them, antenna disintegrated… oh bugger…

Realacc UXII circular polarized 5.8GHz FPV antenna

I only hope the other (the one I did not open) works like expected. I did not test them in real life conditions since the weather is rather bad over here. This weekend maybe… In a meantime, here is a video of what is happening inside Realacc UXII 5.8GHz antenna.

Hands on: Matek 5.8GHz 40CH VTX-HV in an interesting form factor

Is it only me, or is Matek starting to build very good FPV hardware? I think everybody knows Matek's PDB. Matek F405 flight controller series is also very popular. But do you know Matek also started to build VTXes? I didn't and when a friend showed me this:

Matek VTX-HV 5.8GHz 40CH 25mW/200mW/500mW

I almost knew I want one. Matek 5.8GHz 40CH VTX-HV is quite interesting design. It can be mounted above flight controller: M3 mounting holes are 30.5 apart. That's not all, it supports serial protocol (Tramp), can be powered from 5V rail or main LiPo (7-24V), has u.fl IPX connector, comes with small dipole antenna and SMA pigtail, has 3 power levels (25mW, 200mW and 500mW) and supports Raceband.

Matek VTX-HV 5.8GHz 40CH 25mW/200mW/500mW

But the best feature are: 2 buttons and a set of LEDs. It really makes setup super easy. Press Button A to select function, press Button B to cycle options (power, band, channel). And current state is presented with LEDs. Cool. Not like with TBS Unify Pro where you have to count blinks!

Errata

Bangood stated it uses SmartAudio, but it is not true. It is ImmersionRC Tramp protocol. Thank you Andrey for pointing that out.

DemonRC NOX5 racing quadcopter is done

It took my time with this build, that is sure… Somehow there were always more important things to build. Anyhow, DemonRC NOX5 FPV racing quadcopter is finally up and running. DemonRC NOX5 quadcopter

What is inside? Nothing special:

  • Frame: DemonRC NOX5
  • Flight controller: Airbot Omnibus F4 v4 running Betaflight 3.1.7
  • ESC: DYS XSD30A BLHeli_S
  • Motors: EMAX RS2205S 2300KV
  • Camera: RunCam Swift2 2.1mm lens
  • Video transmitter: TBS Unify Pro v2
  • RX: FrSky X4R-SB
  • Propellers: DAL T5045C Cyclone

DemonRC NOX5 quadcopter

DemonRC NOX5 quadcopter

As a bonus, 3D printed TPU GoPro Session mount. But the bottom line is, it flies!

Hands on: DemonRC NOX5 FPV 5″ Frame

So many things to do, so little time… I’ve purchased DemonRC NOX5 quadcopter frame more than a month ago, but had some time to take a look at it only today. This is not a cheap stuff. More than a $100 for a 5″ frame is few times more than I’ve used to pay. But I just had enough of cheap chinese frames. Don’t get me wrong, they usually fly alright, but both quality and user friendliness lacks a lot. With “premium” frame at least I’m sure that I’m getting a good quality carbon fiber and someone actually thought for a moment about “tiny” details a place for VTX transmitter or battery strap…

So, please welcome DemonRC NOX5:

DemonRC NOX5 FPV quadcopter frame Read More

3D Printed Faceplate for SkyZone SKY-01 FPV goggles

While SkyZone SKY-01 are pretty good FPV goggles, they are not very comfortable. Instead big faceplate, they only have rubber eyecups. This approach works, but well…

Like always, there is a solution: 3D printed faceplate for SkyZone SKY-01. Thingieverse has at least few different designs, but I’ve chose the one from the link above. They fit right and do not have fan adapter which I do not use.

Foam pads for faceplate are a second problem. In first iteration I just uses gray sponge I had at home and white, dense, closed foam from Emax motors and glued everything together with Uhu Por. Read More

Hands on: Eachine ProDVR

Since cameras like GoPro Session are heavy and my FPV goggles (Skyzone SKY-01) lacks built-in DVR, I’ve purchased DVR by Eachine: Eachine ProDVR. There is probably enough written on the web how it’s made and that it has problems with PAL signal and there are hacks to fix it. Oh well…

Eachine ProDVR

Instead, here are just some pros and cons, and short summary at the end. Read More