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Good point. There is some bearing problem in the top elbow joint. I plan to exchange it.

Thank you for your comment. I would not say this is a big proficiency. I recommend lot of patience and not giving up. Concerning resources you can take my CAD files from my github. There are many other projects you can take inspiration from.

@pavel.surynek, I appreciate your reply. Are there any courses you would advise me to take in robotics or mechanical engineering? I may have a little problem with programming, as I have learned only the basics in ROS, such as nodes, publishers, subscribers, services, and working with micro-ROS on Arduino. I have also worked on AVR and ARM microcontroller programming with embedded systems. This is approximately my knowledge in programming. What can I study to understand everything about this project and ensure that I can execute it successfully?

@@pavel.surynekI appreciate your reply. Are there any courses you would advise me to take in robotics or mechanical engineering? I may have a little problem with programming, as I have learned only the basics in ROS, such as nodes, publishers, subscribers, services, and working with micro-ROS on Arduino. I have also worked on AVR and ARM microcontroller programming with embedded systems. This is approximately my knowledge in programming. What can I study to understand everything about this project and ensure that I can execute it successfully?

Thanks! My student made ROS control for the robot, code here (all rr1_... repositories): github.com/EnviloN?tab=repositories. But not yet connected to physical robot.

Thank you so much

Thanks.

Thank you very much.

Už pracujeme na rev.3.

Thanks!

Nava iPhone 16

I just saw the gearbox video never mind about that question.

Hi Steve, thanks. I am trying hard to post the relevant files as soon as possible. However it takes time.

Hi Pawel. The robot is controlled by Arduino Due with custom firmware. There is no ROS currently.

You probably mean DC motors with encoders. Yes, we can use them. However, an easier way to change the speed is to change the speed setting in the firmware.

@@pavel.surynek do you know someone who created a fast bot for manipulation (cnc loading and packing)?

@@martinTintin476 One fast robot arm is Amber B1. It uses fast DC motors and harmonic drives. But maybe is to small to handle cnc. Industrial robots are an option too.

@@pavel.surynek Děkuji. Hezký den

The prototype is not for sale. Maybe later versions.

@@pavel.surynek I love it. Guys like you have the ability to change the world if these could be mass produced and operated remotely.

Thanks! The arm can be operated remotely. More precisely it can operated from computer and computer can communicate via internet. I always had remote operation in mind when developing the arm.

Thank you so much!

Thanks so much! Working hard on upgrades!

I have the same feeling about the videos. More videos are on the way. It just takes time. BTW: I started to post files in my github repository here: github.com/surynek/RR1

Thank you! Cheers!

I have not yet published the files and the assembly documentation, but at least I put STLs for the shoulder planetary gearbox (the main lower joint) in my github: github.com/surynek/RR1. To build the gearbox you also need: 7 ball bearings - 16mm outer diameter, 5mm inner diameter, 6mm height, 3 bolts - approx. 48mm length, 5mm diameter, 1 bolt - approx 25mm, 5mm diameter, plus some 3mm screws. The bearings and bolts hold the planets and the sun in place. The exploded view of the gearbox can be seen here: surynek.net/_main/index.php?select=research#RR1 (bearings and bolts not shown). And not to forgot many 6mm bearing balls into the outer ring.

Hi Loki. Yes, the files are in my github here: github.com/surynek/RR1

@@pavel.surynek thank you so much will have to check it out