# Tello Coding **URL:** https://community.droneblocks.io/c/tello-coding/6.md [Latest](https://community.droneblocks.io/latest.md) · [Categories](https://community.droneblocks.io/categories.md) --- ## [About the Tello Coding category](https://community.droneblocks.io/t/about-the-tello-coding-category/15)
**Author:** [@derath](https://community.droneblocks.io/u/derath)\ **Replies:** 1\ **Last updated:** [November 5, 2022, 6:42pm UTC](https://community.droneblocks.io/t/about-the-tello-coding-category/15 "2022-11-05T18:42:29Z")
Discuss Tello and Tello EDU drone programming with DroneBlocks, Python, Node-RED, Java, and any other language you’re interested in. --- ## [Using curves in block coding](https://community.droneblocks.io/t/using-curves-in-block-coding/191)
**Author:** [@SethL](https://community.droneblocks.io/u/SethL)\ **Replies:** 10\ **Last updated:** [November 5, 2024, 1:09am UTC](https://community.droneblocks.io/t/using-curves-in-block-coding/191 "2024-11-05T01:09:27Z")
I have been teaching my students the basics right now using the block coding, but can’t seem to get the curve function to work correctly unless you leave z at 0. Using the simulator I see that if I change z to 1 while m… --- ## [iPad share link crashes drone block app](https://community.droneblocks.io/t/ipad-share-link-crashes-drone-block-app/1259)
**Author:** [@duncan7](https://community.droneblocks.io/u/duncan7)\ **Replies:** 2\ **Last updated:** [March 7, 2024, 8:18pm UTC](https://community.droneblocks.io/t/ipad-share-link-crashes-drone-block-app/1259 "2024-03-07T20:18:09Z")
When I share an ipad link from the simulator to my iPad (ios 17.2) I get the “open in DroneBlocks” popup then the app (v 4.1.1) launches and immediately quits. The same thing happens when I share to my iPhone 13pro (17.… --- ## [How to get code block of Video Recording with Drobeblocks of iOS](https://community.droneblocks.io/t/how-to-get-code-block-of-video-recording-with-drobeblocks-of-ios/1246)
**Author:** [@takashi.akatsu](https://community.droneblocks.io/u/takashi.akatsu)\ **Replies:** 2\ **Last updated:** [January 23, 2024, 10:17pm UTC](https://community.droneblocks.io/t/how-to-get-code-block-of-video-recording-with-drobeblocks-of-ios/1246 "2024-01-23T22:17:10Z")
Hi, I am using Droneblocks with iPad (iOS) and trying to make program which include command of video recording. But I cannot find Code block in “Camera” menu. Kindly advise how to get or make code block of video recor… --- ## [Droneblocks Code app not connecting](https://community.droneblocks.io/t/droneblocks-code-app-not-connecting/1159)
**Author:** [@Swed](https://community.droneblocks.io/u/Swed)\ **Replies:** 1\ **Last updated:** [November 14, 2023, 10:34pm UTC](https://community.droneblocks.io/t/droneblocks-code-app-not-connecting/1159 "2023-11-14T22:34:37Z")
I have connected the drone via WiFi to my computer and it shows battery but it says not connected in the top right corner. --- ## [Robomaster TT LED and OpenCV Control](https://community.droneblocks.io/t/robomaster-tt-led-and-opencv-control/1110)
**Author:** [@dinfiesto](https://community.droneblocks.io/u/dinfiesto)\ **Replies:** 18\ **Last updated:** [October 23, 2023, 6:50pm UTC](https://community.droneblocks.io/t/robomaster-tt-led-and-opencv-control/1110 "2023-10-23T18:50:46Z")
I updated the expansion module as instructed in the " Sensor Programming with RoboMaster Tello Talent’s ESP32 Expansion Kit: TROUBLESHOOTING: WiFi Unactive Error Message!" lesson. After doing so, the LED commands and Op… --- ## [Tello skipping DroneBlocks 3d and Curve](https://community.droneblocks.io/t/tello-skipping-droneblocks-3d-and-curve/1148)
**Author:** [@Javarich](https://community.droneblocks.io/u/Javarich)\ **Replies:** 1\ **Last updated:** [October 23, 2023, 6:41pm UTC](https://community.droneblocks.io/t/tello-skipping-droneblocks-3d-and-curve/1148 "2023-10-23T18:41:18Z")
We tried several times and we could see on the software the commands were just skipped. --- ## [Abort Option in DroneBlocks Code?](https://community.droneblocks.io/t/abort-option-in-droneblocks-code/1083)
**Author:** [@adrienneg](https://community.droneblocks.io/u/adrienneg)\ **Replies:** 8\ **Last updated:** [September 22, 2023, 8:57pm UTC](https://community.droneblocks.io/t/abort-option-in-droneblocks-code/1083 "2023-09-22T20:57:58Z")
We are new to using DroneBlocks Code (for a middle school classroom) and are looking for a way to abort a mission in DroneBlocks Code. We found the “Abort” button in DroneBlocks but can’t seem to find one in DroneBlocks… --- ## [DroneBlocks Simulator from Python](https://community.droneblocks.io/t/droneblocks-simulator-from-python/1049)
**Author:** [@jjs357](https://community.droneblocks.io/u/jjs357)\ **Replies:** 2\ **Last updated:** [August 22, 2023, 6:39pm UTC](https://community.droneblocks.io/t/droneblocks-simulator-from-python/1049 "2023-08-22T18:39:29Z")
I rediscovered this: https://pypi.org/project/DroneBlocksTelloSimulator/ The page (dates to Dec. 2021) has this link on it: http://coding-sim.droneblocks.io/ If you click on the link I do get a page to appear: Th… --- ## [New Tello Project using Gamepads for flight control](https://community.droneblocks.io/t/new-tello-project-using-gamepads-for-flight-control/1007)
**Author:** [@jjs357](https://community.droneblocks.io/u/jjs357)\ **Replies:** 4\ **Last updated:** [August 4, 2023, 5:00pm UTC](https://community.droneblocks.io/t/new-tello-project-using-gamepads-for-flight-control/1007 "2023-08-04T17:00:09Z")
I would be interested in hearing of any interest in the project available here: https://github.com/jsolderitsch/ESP32Controller The development of this was partially supported by a Tello Drone donation by DroneBlocks t… --- ## [Turning off bounce mode](https://community.droneblocks.io/t/turning-off-bounce-mode/961)
**Author:** [@bpf](https://community.droneblocks.io/u/bpf)\ **Replies:** 0\ **Last updated:** [May 31, 2023, 11:54pm UTC](https://community.droneblocks.io/t/turning-off-bounce-mode/961 "2023-05-31T23:54:40Z")
Trying to use the FlyTo bock to navigate using 3D vectors such as a staircase. Is there a way to turn off the Bounce mode function so the Tello does not fly relative to a surface height? --- ## [2023 Learning Goals](https://community.droneblocks.io/t/2023-learning-goals/647)
**Author:** [@ClintonEvans](https://community.droneblocks.io/u/ClintonEvans)\ **Replies:** 2\ **Last updated:** [May 24, 2023, 11:51pm UTC](https://community.droneblocks.io/t/2023-learning-goals/647 "2023-05-24T23:51:23Z")
Hi all! Happy 2023!!! Just planning the year ahead and would love to hear from anyone about some Learning Goals they have for 2023. I, for example, would love to see more Drone Coding Clubs pop up this year. Many than… --- ## [DroneBlocks Desktop (Beta) 0.1.5 for Mac and Windows with Mission Pad Support](https://community.droneblocks.io/t/droneblocks-desktop-beta-0-1-5-for-mac-and-windows-with-mission-pad-support/521)
**Author:** [@dbaldwin](https://community.droneblocks.io/u/dbaldwin)\ **Replies:** 8\ **Last updated:** [May 12, 2023, 7:44pm UTC](https://community.droneblocks.io/t/droneblocks-desktop-beta-0-1-5-for-mac-and-windows-with-mission-pad-support/521 "2023-05-12T19:44:20Z")
This version of DroneBlocks Desktop brings improvements in video streaming and mission pads with Tello EDU and Tello Talent drones. We have been testing a Mac version that we’re releasing today as well. In the next coup… --- ## [Help needed (Chromebook)](https://community.droneblocks.io/t/help-needed-chromebook/489)
**Author:** [@thatphysicscher](https://community.droneblocks.io/u/thatphysicscher)\ **Replies:** 2\ **Last updated:** [May 10, 2023, 5:04pm UTC](https://community.droneblocks.io/t/help-needed-chromebook/489 "2023-05-10T17:04:46Z")
Hi all, I am currently using DroneBlocks on a Chromebook and I have a few questions listed below: I was unable to retrieve the photos taken by the drone during flight. Where should I look to find the photos? Under … --- ## [Python programming environment for a class set of Windows 11 laptops](https://community.droneblocks.io/t/python-programming-environment-for-a-class-set-of-windows-11-laptops/889)
**Author:** [@mikextr](https://community.droneblocks.io/u/mikextr)\ **Replies:** 3\ **Last updated:** [May 10, 2023, 1:37pm UTC](https://community.droneblocks.io/t/python-programming-environment-for-a-class-set-of-windows-11-laptops/889 "2023-05-10T13:37:59Z")
I’m ready to set up a Python programming environment for my students on their Windows 11 laptops. We have a typical Windows network where students sign in to the laptops with their individual user accounts. My question i… --- ## [Safe to update to latest firmware for Tello Talent?](https://community.droneblocks.io/t/safe-to-update-to-latest-firmware-for-tello-talent/414)
**Author:** [@jjs357](https://community.droneblocks.io/u/jjs357)\ **Replies:** 2\ **Last updated:** [April 20, 2023, 6:29pm UTC](https://community.droneblocks.io/t/safe-to-update-to-latest-firmware-for-tello-talent/414 "2023-04-20T18:29:51Z")
The tello app informs me that there is new (May 2022) firmware for the Talent as well as new firmware for the expansion pack. But I can’t see how to update the expansion pack since the app mentions a Robomaster Assistant… --- ## [DroneBlocks Desktop (Beta) Mission Pad Support for RoboMaster TT and Tello EDU](https://community.droneblocks.io/t/droneblocks-desktop-beta-mission-pad-support-for-robomaster-tt-and-tello-edu/503)
**Author:** [@dbaldwin](https://community.droneblocks.io/u/dbaldwin)\ **Replies:** 6\ **Last updated:** [March 6, 2023, 3:15pm UTC](https://community.droneblocks.io/t/droneblocks-desktop-beta-mission-pad-support-for-robomaster-tt-and-tello-edu/503 "2023-03-06T15:15:15Z")
I wanted to share an update with a new version of DroneBlocks Desktop Beta that has the following capabilities: Ability to toggle video stream on and off Mission pad blocks The ability to toggle the video stream helps… --- ## [Device Battery Drain](https://community.droneblocks.io/t/device-battery-drain/778)
**Author:** [@jleonard128](https://community.droneblocks.io/u/jleonard128)\ **Replies:** 1\ **Last updated:** [February 28, 2023, 12:36am UTC](https://community.droneblocks.io/t/device-battery-drain/778 "2023-02-28T00:36:44Z")
I’m not sure how fixable this issue is but I figured I would go ahead and log it here. We have noticed considerable battery drain when using the Windows App on our Surface Go 3s. I assume this is because of the various … --- ## [Tello edu program execution error](https://community.droneblocks.io/t/tello-edu-program-execution-error/760)
**Author:** [@jonathan11](https://community.droneblocks.io/u/jonathan11)\ **Replies:** 1\ **Last updated:** [February 22, 2023, 1:36am UTC](https://community.droneblocks.io/t/tello-edu-program-execution-error/760 "2023-02-22T01:36:17Z")
Whether I’m using a browser or a PC App, I’m executing Tello EDU for programming and I’m getting line skips. Then I try it on other computers, some of them work and some of them give me errors, I don’t know if this probl… --- ## [What are allowed angles of the images for lens calibration using aruco markers?](https://community.droneblocks.io/t/what-are-allowed-angles-of-the-images-for-lens-calibration-using-aruco-markers/759)
**Author:** [@qdras](https://community.droneblocks.io/u/qdras)\ **Replies:** 0\ **Last updated:** [February 21, 2023, 8:56am UTC](https://community.droneblocks.io/t/what-are-allowed-angles-of-the-images-for-lens-calibration-using-aruco-markers/759 "2023-02-21T08:56:51Z")
Hello, what are allowed angles of the images used for calibration? Must be the image untilted = parallel with the image sensor or can/should be the image tilted=not parallel with camera sensor? I want measure distance be… --- ## [RoboMaster TT Speed](https://community.droneblocks.io/t/robomaster-tt-speed/744)
**Author:** [@dinfiesto](https://community.droneblocks.io/u/dinfiesto)\ **Replies:** 4\ **Last updated:** [February 15, 2023, 9:44pm UTC](https://community.droneblocks.io/t/robomaster-tt-speed/744 "2023-02-15T21:44:59Z")
The Robomaster flies too fast for my Hoeh Tracking Gimbal. I’ve tried to reduce the speed using the Python SetSpeed API but it is still too fast. Does anyone know another approach? --- ## [Same code runs differently in PC app vs. Simulator](https://community.droneblocks.io/t/same-code-runs-differently-in-pc-app-vs-simulator/735)
**Author:** [@cotem](https://community.droneblocks.io/u/cotem)\ **Replies:** 2\ **Last updated:** [February 11, 2023, 12:30am UTC](https://community.droneblocks.io/t/same-code-runs-differently-in-pc-app-vs-simulator/735 "2023-02-11T00:30:03Z")
This code is from NextWave STEM student presentation Lesson 1. It runs as expected in the simulator with yaw changing 90, 180, 270, 360 in each iteration. Exact same code on PC yaw does not change when tello is operate… --- ## [Tello Fleet Shutdown](https://community.droneblocks.io/t/tello-fleet-shutdown/673)
**Author:** [@jleonard128](https://community.droneblocks.io/u/jleonard128)\ **Replies:** 3\ **Last updated:** [January 12, 2023, 2:40pm UTC](https://community.droneblocks.io/t/tello-fleet-shutdown/673 "2023-01-12T14:40:46Z")
Hi Everybody! We usually have a good number of drones running at any time and wanted a way to force them all to land. So I made this python script! Feel free to test it out yourselves. I hope to add Linux support an… --- ## [Phantom 4 while using drone blocks apps](https://community.droneblocks.io/t/phantom-4-while-using-drone-blocks-apps/578)
**Author:** [@Thiru](https://community.droneblocks.io/u/Thiru)\ **Replies:** 1\ **Last updated:** [November 4, 2022, 12:34pm UTC](https://community.droneblocks.io/t/phantom-4-while-using-drone-blocks-apps/578 "2022-11-04T12:34:24Z")
Hi, while using the phantom 4 for drone blocks ios while launching the coding we are getting the below error. any solution suggest --- ## [Help with RoboMaster TT ESP32 Custom Commands](https://community.droneblocks.io/t/help-with-robomaster-tt-esp32-custom-commands/445)
**Author:** [@dbaldwin](https://community.droneblocks.io/u/dbaldwin)\ **Replies:** 2\ **Last updated:** [July 1, 2022, 1:55pm UTC](https://community.droneblocks.io/t/help-with-robomaster-tt-esp32-custom-commands/445 "2022-07-01T13:55:36Z")
I’m trying to use the RMTT ESP32 Arduno code to support custom commands. In DroneBlocks we want to introduce some new blocks that allow users to add sensors to their expansion module and take readings. In the Arduino fir… --- ## [How to make a Controller for DJI Tello Drone using Arduino](https://community.droneblocks.io/t/how-to-make-a-controller-for-dji-tello-drone-using-arduino/421)
**Author:** [@jjs357](https://community.droneblocks.io/u/jjs357)\ **Replies:** 1\ **Last updated:** [June 13, 2022, 1:29pm UTC](https://community.droneblocks.io/t/how-to-make-a-controller-for-dji-tello-drone-using-arduino/421 "2022-06-13T13:29:47Z")
This link has project info: Tello Controller Project Looks like fun. Anyone with experience with this? I ordered an Arduino Nano to test and will comment here if I get it working. --- ## [Using Serial port to interact with Tello TT](https://community.droneblocks.io/t/using-serial-port-to-interact-with-tello-tt/416)
**Author:** [@jjs357](https://community.droneblocks.io/u/jjs357)\ **Replies:** 6\ **Last updated:** [June 11, 2022, 2:37am UTC](https://community.droneblocks.io/t/using-serial-port-to-interact-with-tello-tt/416 "2022-06-11T02:37:45Z")
In the SDK 3.0 manual I read: Open-source Controller-\>Tello Commands To program the open-source controller ESP32, sending "\[TELLO\] (space)"+ UDP-\>Tello command through a serial port can achieve the same effect as UDP-\>T… --- ## [New Features to be added](https://community.droneblocks.io/t/new-features-to-be-added/30)
**Author:** [@HassanFarag](https://community.droneblocks.io/u/HassanFarag)\ **Replies:** 17\ **Last updated:** [June 10, 2022, 2:08pm UTC](https://community.droneblocks.io/t/new-features-to-be-added/30 "2022-06-10T14:08:37Z")
Hello everyone, It would be nice to have these new features implemented in the upcoming upgrade of Droneblocks: Functions If else Sensors information like altitude, battery level, etc Thanks for this great tool! --- ## [Autonomous Missions](https://community.droneblocks.io/t/autonomous-missions/417)
**Author:** [@mkaercher](https://community.droneblocks.io/u/mkaercher)\ **Replies:** 0\ **Last updated:** [June 10, 2022, 11:00am UTC](https://community.droneblocks.io/t/autonomous-missions/417 "2022-06-10T11:00:17Z")
In an effort to help students working with the codeblocks, here are some of the beginner missions that they have started with. We discuss the importance of flying autonomous missions, especially after showing them this v… --- ## [Curve block not working for some students](https://community.droneblocks.io/t/curve-block-not-working-for-some-students/402)
**Author:** [@rba](https://community.droneblocks.io/u/rba)\ **Replies:** 5\ **Last updated:** [June 6, 2022, 7:36pm UTC](https://community.droneblocks.io/t/curve-block-not-working-for-some-students/402 "2022-06-06T19:36:45Z")
We are using the block editor in the classroom. The issue is that for some students the script stops executing on the curve block and does not proceed. The drone does not fly the curve block command but remains hovering.… [Next page](https://community.droneblocks.io/c/tello-coding/6.md?page=1)