How To Register Drone With Dji
I volition show you how to setup and use DJI FPV arrangement with Betaflight. This tutorial will comprehend activation, wiring and installation in an FPV drone, pairing between FPV goggles, Air Unit and Remote controller, finally the basic operations.
However wondering if you should get the DJI FPV system? Check out my review. You lot can become the DJI FPV system from these vendors:
- Banggood: http://bit.ly/2IEwZY2
- GetFPV: http://bit.ly/2IEZ6Gg
- RDQ: http://bit.ly/2M4L7fd
- Amazon: https://amzn.to/2Mr1KR8
Turning on FPV Goggles
- Install the four stub antennas, brand sure they are well tightened
- Power on the goggles with a 3S or 4S LiPo battery using the provided cable (I am using a 4S 1500mAh LiPo for my drone)
- Put on the goggles, and adapt IPD sliders at the bottom to ensure clear view
- If you want to record video in goggles, you need to insert a Micro SD card (what SD card exercise I need?)
Activation
Visit https://www.dji.com/uk/fpv, click Downloads , Under Software , download the latest version of DJI Assistant 2 . Install the program on your computer.
Make sure you download the FPV version of DJI Assistant! The wrong version volition not detect your FPV goggles and Air Unit.
Power on the DJI FPV Goggles outset before connecting information technology to your estimator via the provided USB-C cable.
Launch DJI Assistant 2 and login with your DJI business relationship (Sign upwardly if y'all haven't already).
You should see the "DJI FPV goggles" icon. If you lot don't see it, reconnect the USB cable. Notation that it could accept a minute or two for the calculator to install the driver when you connect it for the first time.
Click the icon, and you lot will be prompted to activate your device. Brand sure you have net connection!
Yous volition have to actuate each component separately, merely the steps are the same. Repeat these steps for the Air Unit (and remote controller).
Installing Air Unit In the Drone
If yous are building a drone from scratch with the DJI FPV system, it'due south best to get a frame that is designed for the DJI Air Unit. Usually information technology comes with 3D printed parts to fit the Air Unit and Antenna.
Here is a listing of frames made for the DJI Air Unit.
If you lot are upgrading your existing FPV drone, and don't want to invest in a new frame, check on "thingiverse.com" and see if there are custom designs for your frame that you can 3D print. I am withal using the Martian II frame from 2015, and there are already some actually nice designs available.
Connecting Air Unit to FC
Full Size Air Unit
If you get a flight controller designed for the DJI Air Unit, you can but connect them with a ribbon cablevision, and forget about all the confusing wiring diagrams :) But if you don't want to spend actress on a new flight controller, I volition bear witness you how to connect the Air Unit to your FC.
The DJI Air Unit takes 7.4V to 17.6V voltage, you tin power it directly from a 3S or 4S LiPo battery.
Nonetheless, I'd recommend powering information technology from an external voltage regulator, or a BEC on the FC. That's because voltage spikes from motors and ESC could damage the Air Unit of measurement (same style it could damage your analogue VTX). Installing extra capacitor might mitigate this problem.
Caddx Vista
The Caddx Vista Air Unit even supports higher voltage upward to 6S, and therefore y'all might go abroad with powering the Air Unit of measurement straight from 4S LiPo Bombardment. But if you want to play safety, use a voltage regulator or BEC on the FC.
With the Vista yet, there is no JST connector, you have to solder your own wires to the pads.
* SBUS connexion to the flying controller is optional
BEC Requirement
If you lot are using a BEC / voltage regulator to power the Air Unit, make sure information technology can supply plenty current. Max power consumption is 8W for the Air Unit, the current requirement changes under unlike input voltage:
- 9V => 0.9A
- 12V => 0.7A
- 16V=> 0.5A
If the BEC on your FC doesn't run across the voltage or current requirement, you could use an external voltage regulator. I used this little voltage-adaptable regulator with skilful result.
Before Powering Upwardly
Before powering on Air Unit of measurement, make certain the antennas are attached and the wiring to FC is correct, otherwise it could cause irreversible damage.
With the Caddx Vista, don't forget to install the antenna connector holder properly!
Pairing FPV Goggles and Air Unit of measurement
In guild to get epitome on your goggles from the photographic camera, you have to get-go pair/link your DJI FPV goggles with the Air Unit.
Power on both FPV Goggles and Air Unit of measurement.
Use a modest pin or needle to printing the link button on the goggles that is located next to the power connector. After that y'all should hear a continuous beeping, which indicates the goggles are ready to be linked.
Wait until the LED on the Air Unit becomes solid green, so press the link button on the Air Unit of measurement which is located under the SD card slot.
The link push button on the Caddx Vista is located near the USB port (it's a push).
Pairing should consummate within a few seconds. Once they are paired, the beeping should stop and y'all should encounter an prototype in the goggles from the camera.
Using DJI Remote Controller
It's Not compulsory to use DJI's remote to command your drone, yous can use whatever RC link you prefer, such as Frsky and Crossfire. Only there is already receiver capability built into the DJI Air Unit, so you could save an boosted receiver :) Totally upward to you lot!
Hither is my review of the DJI Remote.
To turn the radio on or off, simply press the power button once, and then hold it for 2 seconds.
Pairing Remote to Air Unit
If you are using the remote, then you lot demand to pair it with the Air Unit.
Note: y'all should bind the FPV goggles to the Air Unit showtime before binding the remote. otherwise you could lose the bind to the goggles and you lot have to practise it once more. Information technology'south a weird bug.
First, pair the Air Unit to the FPV Goggles get-go earlier the radio, otherwise you'd have to repeat this process.
Power on the Air Unit and Remote Controller, but turn off the FPV goggles.
Wait until the LED on the Air Unit becomes solid light-green, then press the Link Button on the Air Unit.
Press the tape push button, C button and the correct dial at the aforementioned time. The Radio should at present beep continuously.
The linking will take a few seconds, once paired, the beeping should stop and the condition LED on both devices should turn solid greenish.
Notation to Japanese users: If you bind your goggles to the air unit of measurement, so bind the controller, your goggles might finish working and shows a message on the screen "Image transmission stopped". This could exist due to the Nihon firmware restriction. To work around this, I've been told you could try performing FCC hack on the Air Unit, after you bind it to the goggles, then unplug everything and bind the radio.
Radio Settings
You tin can configure radio settings through the OSD carte du jour in the Goggles, "Settings" => "Remote Controller".
Here you have Servo Setup, Function Style, Stick Mode (way i and manner 2) and Calibration.
The Get-go affair you should practise is to calibrate your sticks in the "Scale" menu.
Then go to "Servo Setup" to make sure all your channels are sending out 1000 – 2000 when you motion your sticks to its maximum position. These are called "End Points". It's okay to have your finish points slightly beyond the thou-2000 range. For instance, your lowest end signal can be effectually 995 to 1000, and your highest end point can be around 2000 to 2005.
The switches on the radio are pre-configured and take up channel 5 to aqueduct 8:
- CH5 = SA
- CH6 = SB
- CH7 = SC
- CH8 = SD
Now go to Betaflight'due south Ports tab, enable "Serial RX" for the UART which you've connected the SBUS wire to on your FC.
Under Receiver in Configuration tab, select SBUS in "Serial Receiver Provider".
Go to the Receiver'southward tab and bank check if the "bars" are responding to your stick movement. If aqueduct outputs are responding to the incorrect stick, here is how to fix channel map.
If everything looks right, you are now ready to use your radio to fly your drone :) Oh don't forget to setup switches for arming first :)
Gimbal Tension Adjustment
Finding the sticks too loose or too tight? You can adapt gimbal tension by turning the screws on the back of the radio.
You can access these screws past pulling back the safety plates.
Stick ends are M3 threads ( in case you want to get some custom stick ends).
Lock Mode
There are only 2 buttons on this radio, a ability button and a "C Push". Ability button is self-explanatory, the C button is for "locking" all the sticks and switches so no RC bespeak will be sent out. This is a rubber feature to avoid accidentally arming your drone.
Merely hold downwards the C push button, and the status LED will wink purple to indicate it's in lock mode
Remote Antenna Placement
For maximum performance you should have them both pointing upwardly when transmitting.
Removing Bombardment
If you e'er need to remove the battery, open the cover, hold downwardly the battery release button and push the battery down.
Remote Status LED / Beeping Explained
- Solid Reddish – Powered on, but not connected to receiver
- Solid Green – Working, connected to receiver
- Blinking Blue and beeping at medium speed – Binding
- Blinking Purple – Locked way (Hold down C Push button to lock/unlock sticks and switches)
- Beeping alternating sounds and vibrating – Requires calibration (do this in FPV goggles)
- Beeping and vibrating – Low battery <10%
- Beeping at low speed – throttle stick is not at its lowest position
Betaflight OSD Setup
In order to become OSD working, yous must connect the TX and RX pins on the Air Unit of measurement to a spare UART on the flying controller, as shown in the wiring diagrams to a higher place.
Depends on which UART you connected the DJI Air Unit to, enable "Configuration/MSP" in the Ports tab in Betaflight Configurator for that UART (and continue all other options disabled).
In the Configuration tab, under "Other Features", enable OSD, and TELEMETRY.
Finally, in your DJI FPV goggles, turn on Custom OSD under Settings, Display.
Now you can select the elements you lot want to display in the Betaflight OSD tab. Not all the elements are supported yet, just DJI has been making some progress to support full Betaflight OSD.
For now the following elements are supported equally on Mar 2021.
You tin elevate the elements around on the preview screen to change their locations, aforementioned every bit the normal Betaflight OSD, it will get updated in real time in your DJI goggles. Yous tin can besides gear up and save element position using CLI.
Video Feed Quality
Yous can adapt video feed quality nether "Settings", "Transmission" in the OSD menu.
Best Image Quality Settings
- Preference: Loftier Quality
- Focus Mode: Auto (or OFF)
- Bitrate: 50Mbps
If yous don't have the Bitrate pick, you should update your DJI firmware to the latest. If it'south greyed out, it ways you lot are on CE mode, 50Mbps simply bachelor in FCC fashion. How to switch to FCC mode.
Lowest Latency Settings
- Preference: Low Latency
- Focus Manner: Auto
- Bitrate: 50Mbps
Using 50Mbps bitrate doesn't seem to bear on latency (similar latency to 25Mbps), merely you will simply have 3 channels bachelor instead of 8.
With Focus Fashion enabled (set to on), you will constantly become blurry edges in order to reduce the amount of data when indicate gets weaker, this can be quite distracting. By setting it to auto minimizes blurry edges.
Case of focus fashion (blurry edges)
- Focus Style – optimizes the center of the view, makes it smoother and clearer when signal becomes weak. I recommend leaving this setting at AUTO.
- LED Mode increases color saturation on the LED racing track in depression low-cal, making it easier for the pilot to wing in any direction.
- Racing Mode increases the display contrast, which makes obstacles more distinguishable in day light.
- Standard Mode is suitable for most environments – use this mode if you are not sure what is best.
How to Record Video?
Insert micro SD menu in the FPV Goggles and Air Unit (except the Vista which doesn't take a SD carte slot). Here are my SD card recommendations.
And format the SD carte inside the goggles using the menu, this volition avoid many issues afterwards on.
Set your recording preference in the FPV Goggles settings. You can change resolution if you are recording in the full size air unit, between 720p 60fps and 1080p 30fps. However you cannot change resolution for the FPV goggles recording (DVR), as it's fixed at 720p 60fps.
By default, the recording starts when you arm the drone, and it automatically stops and saves the video when you disarm. You tin can also start recording by pressing a push past changing the setting in the goggles.
OSD data is saved in a ".srt" file (subtitle format), these are just plain texts, you lot can overlay it on height of your video when you lot play it, or edit information technology.
By default the SRT file is quite a mess with peradventure a lot of unwanted data in there. You tin can clean that up using a tool I made.
Uploading FPV Footage to Youtube
I've found the best way to upload DJI FPV footage to Youtube is to "upscale" them to 2K, or even better 4K. This is because Youtube retains higher playback bitrate for videos with higher resolution.
Yous can learn more nearly this in this post.
Other DJI FPV System Tutorials
- Frequently Asked Questions and Tips
- How to Update Firmware in DJI FPV Goggles, Air Unit and Remote Controller
- Switch to FCC Way
- 1200mW Output Power Hack
- Enable 50Mbps Bitrate
- Must Take DJI FPV System Accessories / Upgrade Parts
Official Manuals
- DJI FPV Goggles: https://dl.djicdn.com/downloads/DJI+Goggles/20181230/DJI_Goggles_User_Manual_EN.pdf
- Caddx Vista Air Unit of measurement: https://cdn.shopify.com/due south/files/i/0036/3921/4169/files/Usermanual.pdf
- Basic operations of their FPV arrangement: https://dl.djicdn.com/downloads/DJI_Digital_FPV_System/20191101/DJI_Digital_FPV_System_User_Manual_EN.pdf
Edit History
- Mar 2020 – guide created
- May 2020 – updated OSD setup
- Jun 2020 – updated instructions for the DJI Remote
- July 2020 – added "Video Feed Quality" and "How to record video"
- Aug 2020 – added links to "enable 50Mbps" and "how to upload to Youtube"
Source: https://oscarliang.com/dji-fpv-system-setup/
Posted by: morenowenty1959.blogspot.com
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