This is what they meant when they say a GoPro can minimise vibration.

Here’s the same area at around the same time, flight of an Immersion RC Xugong 10 that we were having issues with for quite some time on the vibrations and we’ve tried:

– Earplugs in dampening balls
– Red dampening balls
– Black dampening balls
These dampening balls from Hobbyking
– Adding a Tarot T2D gimbal with foam to the front
– Removing the gimbal again

It is the same. Then we popped in one of our damaged GoPro 3 that can’t do video out when the mobius* ran out of battery. We flew line of sight.

and we found out the GoPro indeed can take away vibrations in the video with the exact same motors, lipo, propellors…

Mobius

GoPro

*Our Mobius is converted to a GoPro form factor with these thus was able to use the gimbal.

Jiyi UAV P2 Flight Controller – Attempt 2

DSC09043

Introduction

6 May 2015 updated.

In Dec 2014, the Jiyi UAV’s P2 Flight Controller (FC) was announced and we were selected to receive a production unit. We wrote in to Jiyi UAV after hearing on RCGroups that they are looking for testers with a small introduction of ourselves, that we will, instead of 1 min Youtube video of only one single successful flight… write a full English article. Ms Amanda Ge, the Sales Director of Jiyi UAV reverted and very soon, we were DHL one, we did have to pay for the shipping of the review unit as requested by Jiyi UAV as it is standard practice with them.

We expected the setup to be as easy as a DJI Naza, definitely the MultiWII or Arduino it is in some ways but it’s seriously not to be at times. It’s really competitively priced for flyers who is looking to move into the DIY route after having flown their RTF setups but can it stacked up? Will it be a case of paying monkeys and getting peanuts?

The Jiyi’s P2 is some who has investigated, a simplified PixHawk 4 version 1.

This article is by no means a replacement for the manuals by it’s respective owners, developers, manufacturers. It will only guide you to setup a multirotor quickly with the mentioned hardware. You should must consult, study the official manual(s) of all hardware, equipment you have purchase. What worked for us, may not work for you.

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DSC09055 DSC09049  DSC09047 DSC09053

Many has asked about the size once we posted the P2 on our Instagram, as compared to a DJI Naza. Here it is.

DSC09077

Features
Documentation
The Build
The Computer stuffs
– Quick Guide
– Detailed Instructions
The Flight
Advanced Features
Our Thoughts

Features

The Flight Controller (FC) comes with GPS. Return to Home is possible. There’s also speculation of a OSD in the future.

Documentation

DSC09045

Documentation has improved vastly. When testers were notified and shipped a unit, there were mostly Chinese manuals and confusion on the drivers and software. Jiyi was fast to come out with new version of their software quickly to resolve some problems.

Software is really important that should go hand in hand with the hardware. If it complicates the setup, users, especially new users trying their hand on a new DIY route will be put off.

Manual, Software and Drivers download.

The Build

The build was straight forward. Our first attempt was to have the P2 power our Immersion RC Xugong 10. That didn’t pan out too well.

– We couldn’t get the P2 to arm. We found out it’s cos there’s errors on calibration.
– We can’t get into calibration mode.
– Figuring out the first Driver installation alone took 1.5 hours (we configure Cisco, troubleshoot F5 load balancers, maintain Citrix setup and Windows servers in our day job)

Errors we seen in Attempt 1 back in Dec 2014.

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Our 2nd build was with a Blacksheep clone, the Whitesheep by Diatone. By the way, they have what seems like a V2 of the Whitesheep now.

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– 4 x EMAX 2213 with 1045 propellors
– FrSky 4DR II
– Turnigy 3S 2650/ Multistar 5200
– Turnigy 9XR
– Jiyi P2 with GPS flight Controller

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Placing the PDB on the underbelly of the quad. Ever since we got this Whitesheep, the built in PDB has never worked. Anyway…this allow the P2 to sit within the top and bottom plate.

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Strip of LED is purely our own preference.

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Charging time.

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GoPro with rubberbands and sitting on a small piece of foam.

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Motor Layout

quad

PPM

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We run PPM for the neatness of a single cable. It goes to the RC port.

Note: All white cables and the yellow GPS cable faces up

ppm

Radio Setup

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It’s simple on the hardware setup. Now to the software part.

The Computer stuffs

Software available has been simplified. Drivers and the Software is now in a single package.

jy2

The interface has an overhaul.

The Old Interface:

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The New Interface (v1.05)

p2-1

We pretty much left everything default.

p2-0

p2-1

screen3

4

If you see anything having error above, you will not be able to arm.

gains

rth

Compass Calibration

This is the most frustrating part in our first attempt. We finally got it to go into Calibration Mode. Make sure all your sticks are responding to the respective screen.

AIL left is left, right is right when you move your stick, ELE is up when the stick is up and down when stick is down. This will mess up going into calibration is you do nto get it right at this step.

p2-1

Then we did the calibration.

1. Turn On Transmitter
2. Turn On Quad
3. Switch to Return to Home (AIL 2 posititon switch top right)
4. Left stick to bottom left, right stick to top left
– RED LED light up stable.

top clockwise x 2
upside down clockwise x 2
front pointing up ccw x 2
left side up ccw x 2
back pointing up ccw x 2
right side up ccw x 2
hole it level and wait for red led

When we were working on our HKPilot micro APM we saw this video that made life a little easier.

The Flight

The flight was great. The Whitesheep is a little back heavy but the P2 handled it with no problem on the 3S 2650. We swop to a Multistar 5200 and it flies good too.

The flight was ok, nothing fancy but as there is no indication of what mod we are in, we tend to keep checking were we in GPS as we took off in Stablisation Mode then switched to GPS. It didn’t feel as locked into GPS satellites as compared to when we were flying the Naza(s).

Note when you are flying indoor where there is no GPS signal, you have to switch to Stabalised Mode in order to arm.

Flightime was so-so and as expected, around 16 mins on the Multistar 5200.

Our Thoughts

Most China based websites trying to make flying/ RC stuffs do not have a nice website to gather information from. It can also be frustrating for English speaking visitors trying to make sense of the website, more information and even the documentation but not for Jiyi!

The website is beautifully presented with easy to use navigation. That being said, Manual only comes in Chinese (as of 6 May 2015 when we updated this article, the manual now comes in English here) as of writing and it’s seriously bad when they have to get rcgroups member to do translation and they asked openly, the pay? A p2 fc… It worries us on English support in future. If you run into trouble and you speak only English. You may need to be really lucky as they may not have in house English speaking staff or poor command of English. The market for English speaking hobbyists is big enough to employ one soon we hope?

Software – This is a pain. Driver installation has already put off some and some gave up. We did too during the first setup having not touched anything APM before. The Internet helps but it can be frustrating for first time users. There’s room for improvements especially streamlining the software part. Things should be “live”. You have to click a tab then click Read, to show the settings. If not it will just stay there and nothing seems to be happening making you wonder if you’re not connected to the P2.

Calibration is cumbersome. Too many turning around till we want to puke but that’s with all APM based calibration. Even the official APM software links to a 2013 Youtube video that’s so badly made, it doesn’t help.

USB Port Placement – It’ll be good if the USB port can be shifted away from the FC itself and have it on the LED. Yep, just like the DJI Naza range of FC. It could be hard to get to if needed.

LED colors as a guide – The LED blinks only red. Blink, no blink or steady red when doing calibration. It doesn’t tell you if you’re in GPS, Stablised or IOC. It’ll be good to know visually what mode we’re in.

Last Words

There’s much potential on the P2 and we hope till the software is improved with clear instructions on 1. Driver installation, 2. Calibration, 3. Setup of a quad, that no other hardware be release so work can concentrate for the software side of it.

We suspect other Flight Controllers are successful as they have figured out a simple way to let users who has flown a Ready to Fly and embarking on their first DIY, to get a P2 with GPS and built something from scratch, set it up and fly it happily.

For more experienced DIY-ers, we think without OSD, better software support, we won’t be using it for serious work but for recreational LOS or short FPV flights.

Links:

http://www.jiyiuav.com/
https://pixhawk.org
http://www.dji.com
Discussion thread @ RCGroups
First Attempt with P2

Jiyi UAV P2 Flight Controller

DSC09043

Introduction

The Jiyi UAV’s P2 Flight Controller (FC) was recently announced and we were selected to receive a production unit. Here’s the run down.

The Jiyi’s P2 is some who has investigated, a simplified PixHawk 4 version 1.

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Size Compare

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Features
Documentation
The Computer stuffs
– Quick Guide
– Detailed Instructions
The Build
The Flight
Advanced Features
Our Thoughts

Documentation

18 Dec 2014 – Documentation only in Mandarin. This is awkward, for non Chinese, this will be a bad thing. The manual is not available in English but we’ll try to put in as much translation as possible to get it flying. You just need to have experience with the DJI Naza. It’s as easy.

25 Dec 2014 – Instruction videos.

6 May 2015 – Documentation is available in English and V1.05 of software is available.

https://www.youtube.com/watch?v=aSnVZsJbxfo

The Computer Stuffs

(Broken) Software Installation

As of writing, below is the downloads available.

– Manual is in Chinese.
– Firmware download is kinda useless for now. It’s already loaded in the P2 when received
– P2 Tuning Software 1.0 This is what you need
– P2 Tuning Software 1.03 This is the same software but in Chinese
– P2 Driver You’ll need this too.

Do the computer stuffs first before installing the P2 onto your craft as the calibration will require you to do the accelerometer calibration that requires you to place the FC on it’s side, with top up, with rear up etc. With the ESC cables and LED/ GPS cables connected, it will be hard. (yes, we found out the hard way).

Clipboard01

It can be quite a hassle in getting the P2 Flight Controller to be recognized by the computer. It defaults to STMxxx by default on a Windows 7 machine. So here’s the Quick Guide first then the detailed instruction install with pictures.

Quick Guide

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– Install the P2 Driver
– Install P2 Tuning Software 1.0
– Go to Hardare and Devices > Ports > STMxx device
– Right click and select reinstall drivers, select Advanced, Select I have Disk

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DSC09103 DSC09104 DSC09105 DSC09106 DSC09107 DSC09108 DSC09109 DSC09110 DSC09111 DSC09112 DSC09113 DSC09114 DSC09115 DSC09116 DSC09117 DSC09118 DSC09119 DSC09120 DSC09121 DSC09122 DSC09123 DSC09124 DSC09126 DSC09127
– Choose Jiyi Robotics on left then P2 Flight Controller on right
– Start up P2 Tuning Software 1.0

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– Click Connect and follow the calibration video below.

Detailed Installation

https://www.youtube.com/watch?v=ADmwcEvrlWI

https://www.youtube.com/watch?v=IKswR03Wzxw

Below from here.

1. Connect the p2 to usb
2. Install PX4 Driver or here.
3. Your p2 will detected as STMxxx on device manager -> Ports (COM & LPT)
4. Then update STMxxx driver manually :

– right click and choose update driver software
-> browse my computer for driver software
-> let me pick from a list ….
-> Have disk …
-> Browse into C:\Program Files (x86)\JIYI P2 Assistant\drivers

5. Your P2 will detected as Jiyi P2 Flight Controller

6. Software

This is we guess an improvement of the software already. As of writing, May 2015, it is version 1.05.

It could not be obvious at least to us but remember:

Always click Read then make your choices. Save when done.

Frame selected Quad.

p2-0

Radio Setup

p2-1

Our Turnigy 9XR

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7. Compass calibration

This is one of the most frustrating thing. We’ve seen people unable to even get into this mode to calibrate the compass.

1. On Transmitter
2. Turn On Quad
3. Switch to Return to Home (AIL 2 position switch top right on our Turnigy 9XR)
4. Left stick to bottom left, right stick to top left
– RED LED light up stable.

When we were working on our HKPilot micro APM we saw this video that made life a little easier.

Remember, if you do not calibrate (with any errors like you see below), you will never ever get to arm the P2.

errorrrr

Then you do the dance.

top clockwise x 2
upside down clockwise x 2
front pointing up ccw x 2
left side up ccw x 2
back pointing up ccw x 2
right side up ccw x 2
hole it level and wait for red led

We did not have to go through the whole sequence. While going Back Pointing up CCW x 2, the LED started blinking. Heck, we tried arming. And it armed.

armmmmm

Others

No news on OSD for now. Maybe it’s a added hardware later. When? we’ll not know.

Our Thoughts

Most China based websites trying to make flying/ RC stuffs do not have a nice website to gather information from. It can also be frustrating for English speaking visitors trying to make sense of the website, more information and even the documentation but not for Jiyi!

The website is beautifully presented with easy to use navigation. That being said, Manual only comes in Chinese (as of 6 May 2015 when we updated this article, the manual now comes in English here) as of writing and it’s seriously bad when they have to get rcgroups member to do translation and they asked openly, the pay? A p2 fc… It worries us on English support in future. If you run into trouble and you speak only English. You may need to be really lucky as they may not have in house English speaking staff or poor command of English. The market for English speaking hobbyists is big enough to employ one soon we hope?

Software – This is a pain. Driver installation has already put off some and some gave up. We did too during the first setup having not touched anything APM before. The Internet helps but it can be frustrating for first time users.

Calibration is dumb. Too many turning around till we want to puke but that’s with all APM based calibration. Even the official APM software links to a 2013 Youtube video that’s so badly made, it doesn’t help.

There’s room for improvements especially streamlining the software part. Things should be “live”. You have to click a tab then click Read, to show the settings. If not it will just stay there and nothing seems to be happening making you wonder if you’re not connected to the P2.

End

There’s much potential on the P2 and we hope till the software is improved with clear instructions on 1. Driver installation, 2. Calibration, 3. Setup of a quad, that no other hardware be release so work can concentrate for the software side of it.

We suspect other Flight Controllers are successful as they have figured out a simple way to let users who has flown a Ready to Fly and embarking on their first DIY, to get a P2 with GPS and built something from sractch, set it up and fly it happily.

Links:

http://www.jiyiuav.com/
https://pixhawk.org
http://www.dji.com
Discussion thread @ RCGroups

Building: Immersion RC Xugongs

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1 March 2015

This is a compiled article of the Xugong 8, 10 and 10 V2 Pro that’s also posted to Flitetest. We do not hope to post 3 separate article to have visitors having too long articles to go through.

The Xugongs has got to be one of the smallest-when-folded travel quad you can find out there with innovative folding of the arms. It may not be the cheapest to replace during a crash, we know, we crashed shortly after getting the Xugong 10 on the 3rd flight and had to replace the top assembly (USD$32 here). The arms collapse into itself which when folded, is like a tiny 250mm based quad. When unfolded, it takes 10 inch props for the Xugong 10, carries a gimbal and easily carries a 4S 5000 mAh lipo with small modifications.

With the V2, Immersion has made it even better with improvements on the PDB to integrate video camera switching, OSD in a nice red based board (officially these are stated OSD, Camera switch,GoPro Power Supply (5.0 V), GPS Interface, Current/Voltage Sensor, PPM in/out). It’s also a great system if you are already on ImmersionRC system, you’ll be familiar on the setup however, on the other hand, it does locks you to the brand. With ImmersionRC making some leading technologies and constantly improving on it, we think it’s not an issue.

We’ll provide a short introduction to things that’s the same across all Xugongs here before we delve more into each. For even more details, refer to the links of each individual Xugong at the end of this whole article.

The Xugong T Nut System.

It’s quite a good system but with out big fingers, at times, it’s not easy to insert the nut.

The Xugong Foldable Arms

This is one of the best among the many types we have seen and we’ve tried quite a few, from folding backwards to folding inwards. One type we didn’t try is the “umbrella” type where the arms fold down. A famous and popular example are on the DJI S1000/ S900 series of multicopter. We just think it won’t make it small since you’ll have a “bucket” of a quad to deal with, trying to fit that into a bag.

The problem of a heavy butt

This is prevalent immediately after you have assemble any Xugong. The Center of Gravity (CG) is simply off by too much. That said, the Xugong was not designed to hold what we prefer, the 4S 5000 mAh lipo. Even with the 3S 2650 mAh, it’s out of balance. You must fit a gimbal with camera to balance out the quad. To overcome this, we removed the original side covers and replaced them with standoffs from Goodluckbuy. Those standoffs are what’s used in TBS Discovery, just taller.

Rubber Balls

All Xugong uses the rubber balls vibration system totalling 8 each that isolates the whole frame from the motors and propellors. You can get away with slightly balanced propellors and get no vibrations/ jello on your video footage, however, when you do crash, they can be tiny little pesky things to put back.

We fly all the Xugongs with a Turnigy 9XR.

Summary:

Xugong 8
– Unpack
– Assembly
– Parts List
– Likes
– Dislikes
– Conclude

Xugong 10
– Unpack
– Assembly
– Parts List
– Likes
– Dislikes
– Conclude

Xugong 10 V2 Pro
– Unpack
– Assembly
– Parts List
– Likes
– Dislikes
– Conclude


 

DSC09023Xugong 8
– Unpack

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DSC08997

The Xugong comes in nice boxes and a egg shell type holders for the many items that’s included.

– Assembly

The included instruction is more than enough to put the whole frame together. We drill holes and mounted the Tarot gimbal in front while strapping the 5000 mAh lipo under that allow us to shift it front and back to balance the whole quad. We also use some stand offs to make the center of the quad taller to fit the tarot gimbal motors.

– Parts List

xg8

Our Xugong 8 original setup uses:

– Emax 2213
– 20A ESC SimonK from MyRCMart
– DJI Naza M V2, DJI mini OSD
– Frsky D4R-II
– Boscam 200mW Video transmitter
– Tarot T2-D Gimbal
– 4S 5000 mAh Lipo

– Likes

It’s even smaller, the XG8 being our 2nd XG was smaller and it’s great to bring overseas. We brought it to Bintan, crashed it and still had a blast!

Video below – XG8 hand launched.

The Crash

– Dislikes

The back heavy design. Not that we don’t like it, there’s limited option to what kind of lipo you can use to offset and balance the weight of the whole quad. You can’t go too heavy for longer flight time.

– Conclude

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A nifty and easy to travel with quad!


 

DSC08626Xugong 10
– Unpack

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Same box, instructions and egg shell box.

– Assembly

It’s straightforward with the instructions provided.

– Parts List

DSC08620

– MyRCMart 2217 800kv motors
– 20A ESC SimonK from MyRCMart
– DJI Naza M V2
– Frsky D8R-XP
– Boscam 400mW Video transmitter

– Likes

It allows us to put on 10 inch props for even longer flight time with the same 4S 5000 mAh lipo.

– Dislikes

Same back heavy design.

– Conclude

We guess, you cannot like the small folding of it while not liking the back heavy design that all XGs have. It’s still a really portable quad.

DSC09289
Xugong 10 V2 Pro

The Xugong 10 V2 Pro (XG10V2) is basically a supercharged Xugong 10. It folds the same but with no more FR4 materials. It’s all carbon fiber now. The real magic is in the newly designed PCB that’s an awesome red! It has a video camera switcher, OSD and PDB built in. If you take into account getting a camera switcher, ImmersionRC’s OSD separately, the price of the Xugong 10 V2 Pro is actually quite an economically priced.
– Unpack

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– Assembly

Immersion RC is experimenting as of writing, a Google Docs that’s online and allow for anyone to edit it. It’s call a “live” instructions manual and throughout the month or so that we have that page open, it does have more and more great information. Immersion does moderate it fairly fast so garbage or misleading information gets deleted quickly.

– Parts List

After returning from Bintan island with the Xugong 8, we have learnt our lessons and started trying out Hobbyking’s Multistar wooden propellors that balanced out of the box. They are surely more rigid than those broken ones at the beach on Bintan.

– Emax 2216 810kv motors
– DJI 30A Opto
– DJI Naza M V2
– Frsky D8R-XP
– Boscam 400mW Video transmitter
Multistar 10 inch wooden prop
– Multistar 4S 5200 mAh Lipo 10C constant
– Zippy compact 4S 5000 mAh
– Likes

The Integrated PCB board with built in ezOSD. It’s easily modified to use a mobius or even the SJ4000 that we use. After 2 broken Gopro 3 Black, we’ve not been using any GoPro for a while.

– Dislikes

Same back heavy design.
– Conclude

Great value for money quad with built in ezOSD, camera switcher and PCB.

Links

Links below are permanently links to the individual Xugong build and are updated as we change update, change, crash and replace anything on the Xugongs. There’s also more pictures. Enjoy!

Xugong 8 detailed article
Xugong 10 detailed article
Xugong 10 V2 Pro detailed article
We bought all our Xugongs from ReadymadeRC
Xugong V2 pro product page

Build: ImmersionRC Xugong V2 Pro

DSC09321

We are addicts of the Xugong and this is our 3rd Xugong after the Xugong10 v1 and Xugong 8 v1 but we weren’t able to get it till recently as it’s popular after many has found out how small it is and travelling with it is a breeze but finally, ReadymadeRC stocked it, notified us and immediately, we placed an order. Today, it arrived.

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Above: Why those motors mounts screws, we will never know. It’s too short!   DSC09310 DSC09308 DSC09305 DSC09304 DSC09303 DSC09302 DSC09301 DSC09296

Above: Side plates compared. V2 and Xugong 10 V1. The V2 is slightly taller.

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With the V2, Immersion has made it even better with improvements on the PDB to integrate video camera switching, OSD in a nice red based board (officially these are stated OSD, Camera switch,GoPro Power Supply (5.0 V), GPS Interface, Current/Voltage Sensor, PPM in/out). It’s also a great system if you are already on ImmersionRC system, you’ll be familiar on the setup however, on the other hand, it does locks you to the brand. With ImmersionRC making some leading technologies and constantly improving on it, we think it’s not an issue. The below is an overview diagram from their documentation that’ll be easy to understand.

xg2pcb

We can now strike of one of our dislikes in the Xugong10 build. The FR4. No more FR4, all carbon fiber now! We also opt to not get the gimbal as of yet and to utlises the existing Tarot T2-D gimbals that we have.

Conclusion

Nifty quad with built in Immersion ezOSD that folds small. Great for travelling.

Likes

– Carbon Fiber.

Dislikes

– As with all the other Xugong(s) not being able to shift the CG as and where we like it to maintain the CG at the flight controller. It’s either front heavy or more often, back heavy when we choose to fly even with the recommended Multistar 4S 5200 mAh lipo.

– A longer frame so the lipo do not stick out. At the expenses of weight.

Upgrades

– Maybe the T Motors Airgear 350 that runs 2213? This was poisoned by Jakub. Follow or (by the time we run this article) see his build at http://instagram.com/jimmacfx

– The same inabilitiy to balance the quad with the lipo if you want to use a huge one like we, preferring the 4S 5000mah Turnigy. They recommend a Multistar 5200mah (constant 10C) that we’ll try out soon but we fail to see how it will counter the weight of a gimbal installed at the front of the XugongV2.

Links:

Our Xugong 10 build
Our Xugong 8 build


 

ezOSD with a Mobius

Modifying the GoPro cable that’s supplied to take the mobius is straight forward. Yellow to yellow and black to black. just cut and solder them together.

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Lipo size Compare

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Below: The Zippy Compact 4S 5000 mAhDSC09485

Below: The Multistar 10C 4S 5200 mAh

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3 Sept 2015

Rebuilding started. Killed our Naza M V2, got a Taranis, some new EMAX 2216 and a new Flytrex for this rebuild. Ordered new frame plates from Red20RC.

17 Sept 2015

All Parts arrived. Motors took really long as it was out of stock and there’s a Version 2 of the popular EMAX 2216 810kv but we decided to stick to V1 as we already have a set of them and spares.

Top and bottom plates are awesome from Red20RC. After some discussion via email with Mike, he cut, packed and delivered the plates. The journey took about 10 days from Australia to Singapore. We ordered 2 sets of 1.5mm and 2mm ones. We started the rebuild with the 2mm ones of course.

18 Sept 2015

Found that the miniOSD is faulty, white dots appear all over the LCD screen. Darn…

Dec 2015

What started as a “repairing” post on our Instagram got some great guys offering help on our frame.

Here, we present, The new and improved Xugong Pro V2 top and bottom plate with:

– 1.5mm and 2mm thickness. (original plates are 1.5mm thick)
– Bigger FC installation clearance on top plate
– Improved thickness on the taper tail end for Lipo on top plate making it more stiff

Price, USD 44 vs these USD60 for 1.5mm and USD70 for 2mm

Eletronics will be exactly the same, running Naza M V2, EMAX 2216 (v1), Multistar 1033 props, 5000 Multistar low C lipo or 5200 Zippy Compact weighing in at about 1.6kg for about 20 mins of flight.

We added isolation dampening from Banggood and it works. Extra plates are from Red20RC, if you have seen the previous build. It’s all above now.

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Flight Video before and after the double plates were added.

Before

After