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SDK 3.0 for Tello EDU

Mike Shock

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Looks like some kind of "Fake". What i found so far ist when watching RMTT booting up in my Phone, is that sometimes at first the Wifi of the RMTT is called " WICED soft AP" for some seconds, than turnes into RMTT-XXXX

Overall very frustrating for me is that there seems absolutly no Help to find :-(
I managed to change the Wifichannel via "Tello EDU App" on 3 Drones. But 2x later, the Wifichannel was back as 165 :-(
At first i thought about a hardware related problem, but now i´m not sure anymore.

So frustrating, after buyint 2 Original RMTT units in addition to my converted Tello EDUs. almost 600€ for 4 pieces of Hightech Junk :-(

I got my DJI Robomaster TT Extension Kit for my Tello EDU and began to test it. When you attach the module to Tello it switches to the Wi-Fi of the RMTT with the frequency of 5GHz and the corresponding channels. First I couldn't connect to it because my smartphone supports only 2.4GHz. Then I used another phone, connected to RMTT and in the Tello EDU App changed the Wi-Fi channel to one in the 2.4Ghz range. Now I can easily connect to it.
 

Mike Shock

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Yes, meanwhile I tried it:


The downward facing camera provides a gray level image with a resolution of 320x240 pixels. It seems to be a camera without IR blocking filter, so that it get's supported by the IR LED of the bottom distance sensor. Pretty amazing, what technology package you get with this little drone.

You can ignore the fps indicator in the video as it only measures the frame rate of a pose detection that is running on top of the video stream in my example.
ffplay recognizes the stream from the downward camera as H264 320x240 @ 25 fps.
 

shanko

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I've upgraded my Tello EDU to the firmware v02.05.01.17 (released 2021-05-18) and found out that now it reports that the version of the SDK is 3.0. Some new interesting and useful commands are available now not only for Tello Talent, but for Tello EDU as well.
You may read about them in the manual: https://dl.djicdn.com/downloads/RoboMaster+TT/Tello_SDK_3.0_User_Guide_en.pdf
I've tried some of them using the Tello gem for the Ruby programming language.
Hello,

I am interested in knowing how to upgrade my Tello EDU to the latest firmware. I am also using the Tello gem for controlling my drones and would like to collaborate if possible.
 

shanko

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I've upgraded my Tello EDU to the firmware v02.05.01.17 (released 2021-05-18) and found out that now it reports that the version of the SDK is 3.0. Some new interesting and useful commands are available now not only for Tello Talent, but for Tello EDU as well.
You may read about them in the manual: https://dl.djicdn.com/downloads/RoboMaster+TT/Tello_SDK_3.0_User_Guide_en.pdf
I've tried some of them using the Tello gem for the Ruby programming language.
Hello, how do you find out the version of the Firmware for Tello EDU?
 

Hacky

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The "original" Tello app should bring you through the update (if required).
 

iamrobusto

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Yes, meanwhile I tried it:


The downward facing camera provides a gray level image with a resolution of 320x240 pixels. It seems to be a camera without IR blocking filter, so that it get's supported by the IR LED of the bottom distance sensor. Pretty amazing, what technology package you get with this little drone.

You can ignore the fps indicator in the video as it only measures the frame rate of a pose detection that is running on top of the video stream in my example.
Is the down camera accessible only on the Tello Edu? I suppose I should be able to determine this from the firmware version (v02.05.01.17) requirement as above.
 

iamrobusto

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Yes, meanwhile I tried it:


The downward facing camera provides a gray level image with a resolution of 320x240 pixels. It seems to be a camera without IR blocking filter, so that it get's supported by the IR LED of the bottom distance sensor. Pretty amazing, what technology package you get with this little drone.

You can ignore the fps indicator in the video as it only measures the frame rate of a pose detection that is running on top of the video stream in my example.
Is the down camera accessible only on the Tello Edu? I suppose I should be able to determine this from the firmware version (v02.05.01.17) requirement as above.
Yes, meanwhile I tried it:


The downward facing camera provides a gray level image with a resolution of 320x240 pixels. It seems to be a camera without IR blocking filter, so that it get's supported by the IR LED of the bottom distance sensor. Pretty amazing, what technology package you get with this little drone.

You can ignore the fps indicator in the video as it only measures the frame rate of a pose detection that is running on top of the video stream in my example.
Is the down camera accessible only on the Tello Edu? I suppose I should be able to determine this from the firmware version (v02.05.01.17) requirement as above.
 

Hacky

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Yes, only Tellos that can be loaded with firmware v02.05.01.17 (Tello EDU and Tello Talent) provide access to downward facing camera available.
 

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