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[Tutorial] Using Scratch Programming with the Tello
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10252 14 2018-4-20
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Barney2k
Second Officer
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Hi Everyone

Just come across this amazing guide to using the Scratch programming language with the Tello:





Worked great for me on Windows 10!


2018-4-20
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Drone-Mike
First Officer

United Kingdom
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That's really cool! The more I see about the Tello the more I want one! May have to take the plunge!
2018-4-20
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GasMaskXL
lvl.1

United States
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This is pretty cool. Is this the only drone out there you can program???
2018-4-22
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Claw_Gaming
lvl.3
Flight distance : 261509 ft
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GasMaskXL Posted at 2018-4-22 13:07
This is pretty cool. Is this the only drone out there you can program???

At this price point and at this learning level. This drone is probably the easiest to start off with. Of course you can then type your own java script and do it that way if you do not like the drag and drop of MIT scratch.
2018-4-23
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Barney2k
Second Officer
United Kingdom
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I agree with @Claw_Gaming.

I'm not aware of any other drones that do this tbh - although maybe they do exist.

But with the tech in the Tello (specifically the DJI and Intel stuff) you'd be hard pressed to find a better option at the price point...

They're in stock now in various places in the UK now, so quite easy to get hold of for us Brits!
2018-4-24
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danysp
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Spain
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Barney2k Posted at 2018-4-24 01:49
I agree with @Claw_Gaming.

I'm not aware of any other drones that do this tbh - although maybe they do exist.

Hi there,

the posibility to program drones with java script and scratch arrived more than one years ago with Parrot. I bought the Rolling Spider model and I could have a lot of fun momments programing it. It is a pity that they did not continue improving their models as we can see on Tello. Ryze use a very similar desing applied by Parrot develop a long time ago.
and the battery:
https://www.bhphotovideo.com/ima ... battery_1073349.jpg
2018-4-29
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Bing Err
Captain
Flight distance : 6317710 ft
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United States
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Thanks for the link. Looks very cool. Now stop me if I'm wrong, but it looks like you connect your laptop wifi directly to you Tello and fly it with the keyboard. If you had a USB wifi antenna on your laptop could this extend the range of your Tello (as opposed to the internal wifi of your phone)?
2018-4-30
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ades
lvl.2

Singapore
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Bing Err Posted at 2018-4-30 00:31
Thanks for the link. Looks very cool. Now stop me if I'm wrong, but it looks like you connect your laptop wifi directly to you Tello and fly it with the keyboard. If you had a USB wifi antenna on your laptop could this extend the range of your Tello (as opposed to the internal wifi of your phone)?

FYI bro..
https://forum.dji.com/thread-143545-1-1.html
2018-5-4
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Sean Doughtie
lvl.2
Flight distance : 36594 ft
United States
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This is really amazing! Has anyone found a way to record video or photos from the drone using scratch?
2018-5-20
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ggeorgis
Second Officer
Greece
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I had high hopes about teaching STEM classes with the Tello drone. But the Scratch programming is obviously an afterthought.
EVERY COMMAND should be padded with delays!!!! So in essence a simple 5 line code becomes burdensome for kids. There is no repeatability in the code. So if you plan a simple mission (eg. take off from one desk to fly around an object and return to the same desk and land or land in another desk), you cannot fine tune your code since every time it will fly a different path. Unless you plan on teaching in a warehouse to have ample space, class teaching is a no no.
For example having the drone fly a hexagon will end up in disaster. It manages to mess up even squares!!! Since a 90 degree turn can be anything between 70-110 degrees.
You want to teach Scratch like programming, get a Sphero.

2018-5-22
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Sean Doughtie
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Flight distance : 36594 ft
United States
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ggeorgis Posted at 2018-5-22 03:41
I had high hopes about teaching STEM classes with the Tello drone. But the Scratch programming is obviously an afterthought.
EVERY COMMAND should be padded with delays!!!! So in essence a simple 5 line code becomes burdensome for kids. There is no repeatability in the code. So if you plan a simple mission (eg. take off from one desk to fly around an object and return to the same desk and land or land in another desk), you cannot fine tune your code since every time it will fly a different path. Unless you plan on teaching in a warehouse to have ample space, class teaching is a no no.
For example having the drone fly a hexagon will end up in disaster. It manages to mess up even squares!!! Since a 90 degree turn can be anything between 70-110 degrees.

Thanks for posting your experience. I wonder how the done is able to fly 360's and orbits. Is this routine done on the drone or in the control device?

I'm just guessing, is Scratch just using timing to perform actions rather than telemetry? There has to be some telemetry because it is displayed on the Tello App.
I wonder if you can get a terminal connection with the Tello? (ie: Telnet, SSH or TTY)

2018-5-22
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Sean Doughtie
lvl.2
Flight distance : 36594 ft
United States
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This looks interesting:

https://gobot.io/blog/2018/04/20/hello-tello-hacking-drones-with-go/

2018-5-22
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ggeorgis
Second Officer
Greece
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Sean Doughtie Posted at 2018-5-22 04:51
Thanks for posting your experience. I wonder how the done is able to fly 360's and orbits. Is this routine done on the drone or in the control device?

I'm just guessing, is Scratch just using timing to perform actions rather than telemetry? There has to be some telemetry because it is displayed on the Tello App.

Scratch only uploads commands to the drone. There is no downlink from the drone at all, hence no access to the camera or sensors/gyro. This is the reason I said that Scratch programming was an afterthought. The tinkering community has picked up the slack but obviously it will take some time to develop kid friedly applications if at all.
Compared to a STEM oriented toy like Sphero, which ws designed from the ground up as a STEM programmable toy, the Tello is seriously lacking.
^^That^^ and the video glitches was the reason I sent mine back. Maybe the Tello 2 will be what the original Tello should have been.
2018-5-22
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jacksonnai
Captain
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thanks that help a lot but I have crashed my drone while flying it using drone block read more in my post thx!
2018-6-6
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Antonio76
Captain
Flight distance : 144403 ft
Denmark
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Barney2k Posted at 2018-4-24 01:49
I agree with @Claw_Gaming.

I'm not aware of any other drones that do this tbh - although maybe they do exist.

apparently there is an App called DroneBlocks (Both iOS, Android and Google Apps) that works with Tello and also with Phantom 3 and Phantom 4 families, Inspire and others DJI drones...
2018-6-15
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