Is it possible to share what you see with a other device in the same room? - google-project-tango

Is it possible to see the same object concurrently on multiple devices.
For example, a sofa in the room.
Or a jenga tower which you can play with between two Tango devices?

It is possible, but it is not an included feature of the Tango SDK.
I can reccommend something like Photon to do the talking between devices for you.
There are also many other alternatives.

Related

Is it possible to send GPS coordinates as navigation target to DJI drones through mobile SDK?

I am new to the drone community. I am trying to use a drone to follow a driving vehicle and record a video, this would be part of my graduate school project.
I know DJI provides an "active track" function but it seems like the maximum speed for the tracking is around 20-25 mph, and it cannot track the vehicle at a top-down angle (drone looks straight down at the vehicle).
I have an idea to send the GPS info of the ego vehicle to my mobile device and use a customized app to read the GPS location and set it as a target so the drone can follow it.
Is it doable? Is it in general worth the effort? Or is it better off to just use the active track and work with the best angle that I can get?
I've done that.
Send gps updates from a tracker phone to the phone connected to rc.
You have to use virtualstick mode in the MSDK. Tha max speed is 15m/s
Virtual stick functions in the DJI Mobile SDK simulate the remote controller's joysticks, and therefore an aircraft can be automated to fly in any way a human can manually fly it. Compared to missions, this is a more complicated, but flexible way to automate flight.
Works very well.
An example:
https://youtu.be/i3axYfIOHTY?t=55
It's a little shaky, but thats fixed now :-)

Tango needs google web services?

our project is in China, where all google services are blocked.
does Tango need any google services, or is it self-sufficient and is able to operate on its own? if it needs services, it is basically useless to our case.
Basically,
Normal Project Tango device's features didn't need online google services.
MotionTracking, AreaLearning and Depth should do well.
you can download the sample apps sources code on here
like c samples :
https://developers.google.com/project-tango/apis/c/
try that, it won't need online google services.
But there maybe some apps which integrated Tango feature with other google services do.
Unfortunately, since Google Services is blocked in China, you can't get the BSP OTA and Play store apps updated, which means at some point you can't get new features and bugs fixed on your devices.
If you need further help. better contact project-tango-help#google.com.
AFAIK it does not. I can confirm that I've been using my devkit offline most of the time.
More generally, the core Tango services are all hosted on the device, and they were preinstalled on my devkit when I got it about 3 weeks ago. However, updates to these services come OTA via Google Play.
The three services Tango provides are motion tracking, area learning and depth sensing. Depth sensing is provided directly by the sensors, and motion tracking obviously cant be done online in a performant way. AFAIK, area learning too happens offline, but you can find more info here.

DJI Phantom API or hackable procedure

Maybe I have't looked hard enough, but I spent yesterday googling for a bit and found no relevant projects on hacking the DJI Phantom Drone in order to create new coordinating apps. This is besides the app for coordination DJI currently uses for their drone. I'm trying to see if there's a way to communicate with the Drone with a specific protocol in order to accept a set of procedures.
Any help would be awesome,
Thanks.
Great News for you and all us Droneys! DJI has launched their SDK since you asked this question. They released it last November and you can now apply for a license and write your own apps for the Phantom2 Vision+ using their SDK.
Check it out at https://developer.dji.com/
I am already building a project using the SDK - you can follow my progress on my blog / product site. I will also try to update it with good DJI related development links and tips.
This post is old but I think it is good to leave a foot print for others :)
There is this new company called NVdrones, which created a peace of hardware that you can attach to any drone (you need physical access to the flight controller), and once you do that you can use their SDK (Arduino, Java, Android and Javascript) to write your app without the need of hacking, soldering or anything else. It is just plug and play.
Another benefit is that you are not locked with a specific drone (DJI SDK or 3DRobotics SDK), you can use the board on anything you want. Which gives lots of flexibility.
The developer site is http://developers.NVdrones.com
Hope this helps.
This is a great topic!
You could check how to hack your copter here: https://github.com/flyver/Flyver-SDK/wiki/-2.2--How-To:-Flyver-Hack-a-Copter
By opening the drone, taking out the original controller, soldering a few wires and sticking an Android phone to it, you will have the ability to program your Phantom in a modern manner with an open source SDK and application based development. This means that you could add computer vision to it, automation or additional hardware. You could also use smartphones, web and other interactive devices for remote controlling the copter instead of using the standard remote controls.
The Phantom, however, is offcenter balanced due to the fact that most people use gimbal with it. Without the gimbal is a lot less stable from my experiments so you will have to put some extra work in center balancing it.

Is there anything similar to NFC tags which i can use as far as few meters

I am just trying to bring some idea for that i need something similar to NFC which can communicate to my device just like NFC but should be able to communicate between few meters.
I have seen several NFC tags but they just work at few centimeters which do not full fill my purpose.
Found something similar too - NearBytes; But still it is not helping me
Thanks in Advance !!
This depends on what exactly you want to achieve with the communication. Also completely depends on what devices you have available.
On assuming no limitations what so ever, BLE (Bluetooth Low Enegery) may be a technology to consider. It also works with radio but with the range of a few meters rather than a few centimetres as restricted by NFC. However although the technologies in essence are based in the same way, they are implemented rather differently.
Here is an interesting article comparing the two technologies of NFC and BLE with focus of mobile payments:
Mobile Payment Transactions: BLE and/or NFC?

Send data from WP7 phone to a near by phone via bluetooth or other mechanism

I'd interested in sending data from one WP7 to another WP7 phone so I could create 2 player games. If I understand correctly most WP7 will support bluetooth, but its not in the minimum spec, is this correct? What API's can I use to access the bluetooth, any good examples of this out there?
Unfortunately Microsoft don't provide any access to the bluetooth stack via any documented APIs in this version of the Dev tools.
They don't seem to have any sense of urgency about fixing this (or any of the many other missing features), so I wouldn't expect the situation to change any time soon.

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