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Hello, In order to debug this issue, i request you to take off using RC and put the drone in Loiter mode and just observe . If you find similar behaviour then its because of the faculty measurement. I have this same issue 7 years back with chinese cloned pixhawk 2.4.8, i replace the autopilot and it was all good. When ever i was gaining or loosing altutude it used to do up and down with some jerks.

@@PankajMali Oh really, interesting... I also have the 2.4.8 chinese clone. However, I think my issue might be different because I just tried a flight and put it in loiter to reproduce the bug, like you said, but it did not reproduce the bug. When I enabled loiter from my RC controller, it hovered very still, with no dipping up and down. Its a very strange bug, and now I am thinking that it might have something to do with the dronekit code and my copter version. I am running Copter version 4.3.7, so I am wondering if something behind the scenes has changed from the older versions. Do you remember what Copter version you were using in the mission from the video? If thats the case, then I might have to code up a PID controller or something because the dipping up and down oscillations are very symmetric. If I set the desired height to 2, then it oscillates between 1 and 3. After checking the dataflash log, I see a dampinging happening aswell so that the wave goes 3 to 1, then 2.7 to 1.3, then 2.5 to 1.5, and stays there such that the drone keeps dipping up and down. I will also try to go up higher, like 15 meters, and try to hover for a longer duration, like you do. Wish me luck as I try to take a deep dive into debugging territory lol.

Hello, Most drones use PX4 or ArduPilot rather than ROS because they’re optimized for real-time control and work well with specific drone hardware, like motors and sensors. These platforms are easier to set up for drones and are designed for efficient performance in flight. However, **you can use ROS** for a small demo involving a BLDC motor and hall-effect sensors. ROS can handle the high-level control, while you'd need to configure the motor and sensor feedback. For drones, many people use PX4/ArduPilot for flight control and then connect ROS through MAVROS to handle higher-level tasks like navigation and planning.

Its in part 2, check next video

@@PankajMali I didn't watch second part. But I mean, people want to see a case when that SITL drone will fly within Gazebo sim environment.

Its custom designed and built

Yes all this videos have been tested using ubuntu 18, upcoming videos will are on ubuntu 20, 22

Hello, What's the error?

@@PankajMali actually I am building a drone integrating with ros technology Can you help me with that please ?

@@PankajMali hello

Yeah sure

@@PankajMali thank you How can we communicate then ?

You can catch me up on instagram @punky_pankaj

Yes it works

Yes please

@@PankajMali Thank you! Basically... (Im from Brazil, so sorry for any english mistakes) Im building the parts to build a drone with raspberry pi and pixhawk. My main doubt is: As i can see, i can just choose some waypoints and flight autonoumously using mission planner, but its possible to stream the video while drone is flying? I mean... There is a raspberry and a camera on the drone, do you know a good way to watch the camera recording on real time through internet? Or only using something like VNC/team viewer?

Hello, This is TF-mini s from benewake robu.in/product/tfmini-s-micro-lidar-distance-sensor/

@@PankajMali Thank you! I really appreciate it!

Hello, you can checkout our courses on dronedojo channel and website

Hello, It depends on the requirements, if you want to use ros for your project then you xan go with ubuntu or else for this setup raspbian is fine . Can you please elaborate on your error

Yes you can use apm2.8 instead of pixhawk . Try to get piixhawk as apm is pretty old now with less flash memory

I mean for a try I can use APM2.8 after getting successful I will replace it from pixhwak

And sir please make a video gesture controlled and person tracking or face tracking drone using raspberrypi and camera module

I have build gesture control using nvidia nx xavier and a usb web camera, I'll publish the video soon . I'll try to see if i can make my model and trained data lighter to support rpi.

Yes you can use but you need to find right firmware version and latest mission planner doesnt support apm board so check archives for older version. Check this fir more details : discuss.ardupilot.org/t/apm-2-8-is-it-supported/82880

Hello, can you please share the specific errors you are getting, as i have tested different python versions from 3.6/7/8/9... with ubuntu 20 i didnt find any issue yet.

Hello, Thank you, you can catch me up on instagram @punky_pankaj

Theres connection issue

but dronekit doesnot support python 3.so using python 3 for other would work with dronekit?i didnt under stand how python 3 for other and python 2 for dronekit would work together

@numberthree-gf5zb dronekit works with python3

@@PankajMali i am having problem of using python 3 with dronekit and mavproxy.i am wanting to take telemetry data as well as control drone usng raspberry pi running debian buster.can you provide me with resources and adaquate examples link or some reference

Where is the repository I mean under what name

@@PankajMali please can more better because it is not downloading

No longer adding music in new videos

Hi, you can catch me up on instagram @punky_pankaj

It depends on the board you are using like rpi3/4/5, jetson nano and their serial communication architecture. You can just check the port being used by ls /dev/tty* when you connect your hardware to rpi

So, ttyAMA0 is not mandatory, we may use another like serial0. @@PankajMali

Hello, Thank you, i am improving the voice in upcoming videos

This happens when there's no connection between rpi and pixhawk. 1. Check the tx rx pins , might be revered. 2. Check for setting on rpi 3.check baudrate which is assigned to telemetry ports the one which you are using with mission planner. 57600/ 921600

@@PankajMalicould you make a new video to how to integrate pixhawk and raspberry pi along with picam for a line follower drone?

@@dawatamang6765 sure

Hello Siddharth, Frame is custom designed.

@@PankajMali is it possible to share the design files? If not it's ok! ☺️

Yeah, you can catch me up on instagram @punky_pankaj

Yes ,we can add . Either by adding in the fitmware and compiling or by using the companion if you are going with computer vision.

@@PankajMali can all ardupilot params and modes be accessed by dronekit alone? and whether using dronekit is sufficient for testing new logics for a modified drones testing?

Yes you can access all the modes using dronekit and test new logic.

Hi, Use python version 3.6. And if you already have anyother pythin 3 eg. Pythin 3.8/3.11 then set python 3.6 on default and then install all the pythin packages using pip3 install . It will workk

Hello, Its immediate once you start the code, you can find detailed video : ruclips.net/video/LqtGI_iaqj0/видео.htmlsi=EruMwqTMzJaOTTN3

Hello, Please share the error what you got

Yes you can use any camera connected to the rpi usb and your rpi model should be able to handle the data rates if the video quality is more

Im using rpi v2 8mp camera

@@PankajMali if I use rog camera is it necessary to change horizantal field view in the code..

Hello, Yeah, whats the error?

Yeah, no more much in my latest videos

Hardware Setup: Telemetry Module to Pixhawk:Connect the telemetry module to the Telem port on your Pixhawk.This establishes a communication link between Pixhawk and the telemetry module. Telemetry Module to Raspberry Pi: Connect the telemetry module to your Raspberry Pi.This enables communication between the Raspberry Pi and Pixhawk through the telemetry link. Telemetry Module to Laptop (for Configuration/Control): If you want to configure or control the Pixhawk directly from your laptop, you can connect another telemetry module to your laptop.This creates a communication link between your laptop and Pixhawk for configuration purposes.Remote Access:Connect to Raspberry Pi from Laptop:Access your Raspberry Pi remotely from your laptop through the telemetry link.Use an SSH client on your laptop to connect to the Raspberry Pi using its IP address on the telemetry network. Summary:Pixhawk <-> Telemetry Module 1: Communication link for Pixhawk.Raspberry Pi <-> Telemetry Module 2: Communication link for Raspberry Pi and Pixhawk.Laptop <-> Telemetry Module 3: Optional connection for configuring or controlling Pixhawk directly.This way, you have a telemetry link between Pixhawk, Raspberry Pi, and your laptop. The laptop is optional and can be used for configuration purposes, while the Raspberry Pi serves as an intermediary for extended range communication. the Raspberry Pi is not placed on the drone itself but rather acts as a ground station. The Pixhawk is typically mounted on the drone and communicates with a telemetry module on the drone (air module). This air module establishes a wireless communication link with a ground module, which in this case is connected to a Raspberry Pi.The Raspberry Pi, functioning as a ground station, allows you to remotely access and control the drone over an extended range. It's a common configuration where the lightweight Raspberry Pi is used for processing and communication on the ground, while the Pixhawk handles flight control on the drone.

We dont have any direct connection with ros and pixhawk 2.4.8, pixhawks is just hardware and you can run ros on companion computer and send setup mavros and send data over uart connection to pixhawk from companion computer.

i want to make indoor drone with ros can u help on that @@PankajMali

Hii, In general, when transitioning from Python 2 to Python 3, there are syntax differences and some changes in library names.

Ok noted

Hi, No you dont need any hardware or raspberry pi.

@@PankajMali then, can you tell me what is that terminal??? where to download it

Thank you

hi, please check this implementation for your application for creating a custom mode and set a mav command active, if you have done in some other way then please elaborate. 1. Modify Mode Enumeration (Mode.h): enum class Mode : uint8_t { // Existing modes... GUIDED = 4, // Existing modes... CUSTOM_MODE = 12, // Add more modes as needed }; 2. Modify `set_mode` Function (mode.cpp file): void Copter::set_mode(uint8_t mode) { // Existing code... switch (mode) { case static_cast<uint8_t>(Mode::GUIDED): // Handle GUIDED mode... break; case static_cast<uint8_t>(Mode::CUSTOM_MODE): // Activate set destination function or perform custom actions... set_destination_custom(); break; // Existing cases... } } 3.Implement Set Destination Function (GCS_MAVLink.cpp file): void Copter::set_destination_custom() { // Implement your set destination logic here // This might involve extracting coordinates from a MAVLink message // and setting the destination for your custom mode float x = /*...*/; float y = /*...*/; float z = /*...*/; set_destination(x, y, z); } Ensure that `set_destination` is appropriately implemented and performs the required actions based on the provided coordinates, ou can try this with mavproxy and SITL on mission planner. 4. Handle MAVLink Command (GCS_MAVLink.cpp file): case MAV_CMD_DO_SET_MODE: { // Extract custom mode value from the command uint8_t custom_mode = static_cast<uint8_t>(msg.param1); // Set the mode based on the custom mode value copter.set_mode(custom_mode); } break;

@@PankajMali Thanks ✨😊

Hi, Yes yiu can use 915 Mhz telemetry and the one that i have on this setup is wifi telemetry module from cuav with range less than 30 meters.

Hi, Its custom designs nd woth carbon fiber tubes and sheets

Yes, I'll soon upload it

Yeah background music is not required i have stopped adding music on my new videos. Thank you

Hii, Can you please elaborate your error.

@@PankajMali the problem is: the mode in mission planner is stabilize and I have to change it manually to Guided after I run the code in order to get rid of the error. If I don’t do that then the error in arming the motor will appear. Does that make sense for you?

@@PankajMali this is exactly what is happing after I run the code: Waiting for arming Taking off! Altitude: 0.0 Altitude: 0.0 Altitude: 0.0 Altitude: 0.1 Altitude: 0.2 Altitude: 0.3 Altitude: 0.4 Error: autopilot: Disarming motors Altitude: -0.1

Hii Can you please tell me what code are you using? Are you able to chnge mode from mavproxy terminal ? If yes then change mode to guided and give commands like. ARM THROTTLE >>> TAKEOFF 5. If it performs this then we can go to next step to run a python code to do same task . Please test it and let me know if ny errors.

If I go directly to mission planner and change the mode to guided, the error will not appear

Hello , Lets catch up on telegram and lets check your setup . @Punky_pankaj

Hi, I'm glad it helped you