It will be nice if you also mention the time it took for each part. It helps new comers to 3d printing to understand how slow the process is. So they are not disappointed when they actually try to build stuff.
You know, I never realised up until you first showed one that hall effect sensors measure the rotation of a magnet; I had always assumed they measured distance. But sure enough, when I opened up my joystick (for unrelated problems with various buttons) I saw how the hall effect sensors it contained were actually configured... Strange how different expectation and reality can be at times...
Sir, you can make a video about the Arduino Bluetooth Robotic-arm tank and also give me the circuit diagram and the code for the Arduino Bluetooth Robotic-arm tank.
Pros use a plastic bag filld with grinded coffeebeans for grippers. Push 1 bar of air in the bag and place loosely over the object, then pump the air out of the bag and the beans hold the object perfect untill you push air into the bag again.
Really good proof of concept gripper, I'm glad you went with two servos over linking the fingers also. I'm just wondering how you could make a similar gripper that is smaller yet grips with more force.. Stiffer springs are an option yes, but I wonder if there may be a better layout that gives some mechanical advantage?
Interesting. However :-) I would have used full size pivot cuts on the main rotors like you did the back parts instead of just the 3 mm rod. I would have then used reverse gear rotors, and used a single motor driving a worm drive in the center of both rotors. This would have simplified the mechanics, eliminated the need for springs, made the gripper much stronger, reduced the size, and measurements could have been done by just measuring the power sent to the motor. :-)
Making all the joints in the arm back-derivable was the main aim, for training etc. Measuring current would still work, although I probably wouldn't want to back drive the motor's gear train that much.
That's what I've been thinking the whole time. What do you do otherwise when not "training" and want to lift heavier objects, swap the springs out for bigger ones?
Nice work! I keep wondering if it wouldn't have been better to put the grooves of the ninja flex in the other direction. Or maybe to use circular grooves.
Are you going to add a rotational axis to the gripper itself? it seems like it might be useful to rotate it, especially because it is a flat gripper with only 2 fingers
Great video. Would an electric solenoid work better as a gripper mechanism? You apply X current and get proportional force. I think its possible to read the back emf from a sine signal sent to the solenoid.
They say design is fit form and function, and I worry you’re rushing a bit and forgetting fit and form/modelling/aesthetics, something we all know you’re excellent at, and would like to see in your designs ... Great job on the Functionality thou👍👍
Sir, what courses do you learn to get into the robotics field? Sir, tell me, are you a mechanical engineer or electrical engineer, or mechatronics engineer? Sir, I want to become a robotics engineer, what do I study to get into robotic engineering?
FYI (at 16:20, for example) the background in the scene is so noisy with shapes and colors that it's difficult to tell what is the arm and what is the background. I'd recommend something a bit more neutral back there for most of the video...
Why have 2 servos in the hand where one would do. if your keeping the relationship between the fingers parallel gear up the fingers and run it with one servo, with half the complexity
You are a brilliant engineer, creator and designer. I guess RUclips content creators got to eat... I don't like ads and even worse I don't like in video ads that is not related to the project. (VPN services??) Sorry, unsubscribing.
All RUclips videos are funded by ads as are all free blogs you read and anything else you don't pay for. Why not just terminate your internet service right now and throw your laptop away?
![BLACK BAG - Official Trailer [HD] - Only in Theaters March 14](http://i.ytimg.com/vi/Du0Xp8WX_7I/mqdefault.jpg)
I like the calm "Hello" in the beginning
I'm loving this project, your doing fantastic work, keep it up mate!!
FANTASTIC. I really loved this project.
Constantly amazed by your work, well done
Awesome James! Thanks for sharing.
*_Not gonna lie James, your face in the thumbnail is meme worthy.. "BRUHH"_*
This one’s quite amazing!
Great! Thanks for sharing with us!
It will be nice if you also mention the time it took for each part. It helps new comers to 3d printing to understand how slow the process is. So they are not disappointed when they actually try to build stuff.
Great job! Love your project! On my channel I’ve built some brushless+planetary actuators, which would be very suitable for your robot arm.
You guys are both pretty epic. You're both invited to dinner with myself and the wife. If you find yourself in Canada.
Mo Bina , Great! Thank you for invitation! And thank you for your kind words!
Been subbed to you for a little bit. Love your work.
Another fascinating video. Can't wait to see this bad boy in action. :)
I love James bruton :3
Have you done a shop tour lately, if not please do a shop tour. Thanks for the videos, they are cool
You should look into servo saver horns. They are small form factor with built in springs. You might get better consistency.
You know, I never realised up until you first showed one that hall effect sensors measure the rotation of a magnet;
I had always assumed they measured distance.
But sure enough, when I opened up my joystick (for unrelated problems with various buttons) I saw how the hall effect sensors it contained were actually configured...
Strange how different expectation and reality can be at times...
These ones are specific rotary sensors, although you get 'distance measuring' hall effect sensors that measure rotation in twist grips etc
Sir, you can make a video about the Arduino Bluetooth Robotic-arm tank and also give me the circuit diagram and the code for the Arduino Bluetooth Robotic-arm tank.
Am I missing something or did the last episode never air?
That Jitter makes it look like a Stop Motion movie robot - you may have just made a bunch of 80's movies look more realistic.
Pros use a plastic bag filld with grinded coffeebeans for grippers. Push 1 bar of air in the bag and place loosely over the object, then pump the air out of the bag and the beans hold the object perfect untill you push air into the bag again.
now if those ninjaflex parts have soft robotics features then you could sense the force from the object and give it better grip
Nice videos! Is it possible that you review servo controlling by current ? Challenge! Pick up raw eggs with servo gripper + ina219 + arduino :D
nice one
Really good proof of concept gripper, I'm glad you went with two servos over linking the fingers also. I'm just wondering how you could make a similar gripper that is smaller yet grips with more force.. Stiffer springs are an option yes, but I wonder if there may be a better layout that gives some mechanical advantage?
Interesting. However :-) I would have used full size pivot cuts on the main rotors like you did the back parts instead of just the 3 mm rod. I would have then used reverse gear rotors, and used a single motor driving a worm drive in the center of both rotors. This would have simplified the mechanics, eliminated the need for springs, made the gripper much stronger, reduced the size, and measurements could have been done by just measuring the power sent to the motor. :-)
Making all the joints in the arm back-derivable was the main aim, for training etc. Measuring current would still work, although I probably wouldn't want to back drive the motor's gear train that much.
I'm waiting for it to pick up a raw egg and crush it by applying too much force.. :)
Nice work, I need CAD files for gripper video time 17:11, may I get files? I like to 3D print this gripper with magnetic encoder attachment. Thanks.
would a load cell, similar to a scale, be more suited than the springs?
That's what I've been thinking the whole time. What do you do otherwise when not "training" and want to lift heavier objects, swap the springs out for bigger ones?
Nice work! I keep wondering if it wouldn't have been better to put the grooves of the ninja flex in the other direction. Or maybe to use circular grooves.
They print that way better
Your projects always amaze me. Did you have any schooling or is this natural talent? I would imagine you're a degreed engineer
I just make it up as I go
Are you going to add a rotational axis to the gripper itself? it seems like it might be useful to rotate it, especially because it is a flat gripper with only 2 fingers
5:11 Where did you get the 76,2 micron small drill?! 😲
Great video. Would an electric solenoid work better as a gripper mechanism? You apply X current and get proportional force. I think its possible to read the back emf from a sine signal sent to the solenoid.
did you upload the showcase breakfast making video? i can not seem to find it.
Hello James, just a question out of curiosity: How much filament do you use per month (or week)? 😅
Hi James, which size nozzle you use to print your prototypes ?
I came so close to understanding this - for the first few minutes...
Can you please tell
The specification of linear actuator you used in Robot X project ( payload )
And will 30 mm/s speed work
They say design is fit form and function, and I worry you’re rushing a bit and forgetting fit and form/modelling/aesthetics, something we all know you’re excellent at, and would like to see in your designs ... Great job on the Functionality thou👍👍
I guess he's just making this one as a proof of concept only hence the lack of aesthetics
I wonder how well you can make a force feedback axis crack an egg?
Awesome
Is there anywhere i can get the files for this gripper...? already looked through github, cant seem to find this one... :(
So the maximum amount of force this gripper can apply is limited by the stretchiness of the spring right?
Ok, but what if to grab a sausage, the gripper needs to rotate?
Sir, what courses do you learn to get into the robotics field? Sir, tell me, are you a mechanical engineer or electrical engineer, or mechatronics engineer? Sir, I want to become a robotics engineer, what do I study to get into robotic engineering?
FYI (at 16:20, for example) the background in the scene is so noisy with shapes and colors that it's difficult to tell what is the arm and what is the background. I'd recommend something a bit more neutral back there for most of the video...
1:43 - pull my finger!
I'm waiting you move to ROS.
Wouldn't it be easier and more effective to just measure the servo current?
I think he said that, something like that requires hardware he doesn't have.
Did we get a #6?
Very interesting project. Any reason you didn't go for pneumatic or hydraulic?
Ease of control and cost mostly. Ultimately this arm is intended for education.
@@jamesbruton and it is very educational even for students of my advanced years
Why have 2 servos in the hand where one would do. if your keeping the relationship between the fingers parallel gear up the fingers and run it with one servo, with half the complexity
He's using two servos so the fingers can respond to force independently, at least as I understand.
@@Codebreakerblue ok, but if both fingers are always parallel the force on one will mirror the other so no need to measure both one will do ?
Someone has got to tell him that the current flowing through the motor is directly proportional to the torque the motor produces.
But then you have to back-drive the motors in the servos to make it compliant, which is bad for them. Even worse if it were robot legs
2 servos, why not one worm drive down centre....
Cool :)
can you design a mini robot arm?
I have difficulty using a Calculator.
Yeah next title will be: The ultimate needlessly complicated breakfast, robot edition...
Anyone got a link for the encoders?
So where is the last video, making breakfast?
What is your qualifications ????
I just make it up as I go
You VPN link goes to an error page...
You need to get a grip, James.
Likeeeeeee 👍🏽👍🏽👍🏽👍🏽👍🏽👍🏽💪🏽💪🏽💪🏽💪🏽💪🏽💪🏽 Cuba 🇨🇺
close enough to grip a sausage you say?
I'm 12 btw
You are a brilliant engineer, creator and designer.
I guess RUclips content creators got to eat...
I don't like ads and even worse I don't like in video ads that is not related to the project. (VPN services??)
Sorry, unsubscribing.
All RUclips videos are funded by ads as are all free blogs you read and anything else you don't pay for. Why not just terminate your internet service right now and throw your laptop away?
@@jamesbruton Haha, OK, I will do just that then.
Fifth yeet