EEZYbotARM MK2 3D Printed Robot Build - Chris's Basement

In this one we build the version 2 of the easy robot arm from thingiverse.
Thanks to Carlo Franciscone for designing this:
EEZYbot arm MK2 thingiverse page:
www.thingivers....
EEZYbot arm MK2 how to site:
www.eezyrobots....
EEZYbot arm MK2 instructables:
www.instructabl....
Pololu software:
www.pololu.com...
Carlo's things:
www.thingivers....
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[@42cmoore]

You are awesome, thanks! I've got this mostly printed, I've got most of the hardware (with servos on the way), and I just got to the point in the instructions where the BOM doesn't match the instructions, and the instructions don't say which screw goes where. Your video is a lifesaver.

[@ChrisRiley]

Sweet! When you are done, post it as a "I Made One" on thingiverse and let us know.

[@Andrew-lq4ol]

Thank you Chris - This is a new year (2021) project for me with the kids, so this really helped.

[@ChrisRiley]

That's great, good luck!

[@Andy203504]

Hi Chris, This one looks scarier than the first, hope you have plenty of anti-bot weapons... 😉😊 It looks like a really cool project... Many thanks again for sharing your builds and knowledge... John...

[@ChrisRiley]

Hey John, yes the second one is a lit beefer. A little harder to print and the servos cost more, but worth it.

[@Andy203504]

@@ChrisRiley Are the servo's the same as R/C cars, reason I ask is I have a few Traxxas ones from 1/10 Revo's, I built a few shelf queens from parts years ago and upgraded all the standard servos, so if you fancy them, let me know and I''ll send them over too you... All the best... John...

[@ChrisRiley]

I don't know a lot about the different servo numbers and such. I am not sure what the size difference would be. That is very generous of you, I don't need any for any projects coming up right now, but I will keep this in mind. Thank you.

[@DawizNJ]

That's all sorts of awesome. I think I may try to tackle this one, thanks for the build tutorial!

[@ChrisRiley]

Thanks, it's a really fun build.

[@skewlines4152]

I am done building the arm and the base but need to run out for some M3x25mm and M4x40mm screws. It's like the design uses almost all the different lengths of bolts available in the world.. Still really cool though, thank you for sharing!

[@ChrisRiley]

Lol! No kidding! Thanks for watching!

[@teckeleddie]

A thumbs up for the magic smoke, and the reaction to it.

[@ChrisRiley]

Thanks!

[@freedomer342]

i do like your setup due to it being simple. i am currently printing the parts out right now. Eventually i will have to do some mods to get it to do what i would like it to do.

[@ChrisRiley]

Cool, good luck with your projects!

[@benmc5683]

Thanks so much for this tutorial! Your good tips made assembling the hardware soooo much easier !!! :)

[@ChrisRiley]

Awesome Ben! Glad it helped.

[@jacobleereed]

Great video man, exactly the tutorial I was searching for.

[@ChrisRiley]

Glad I could help

[@navysnow5618]

Thanks you❤ this will be fun. Your a legend!

[@ChrisRiley]

Thank you!

[@navysnow5618]

​@ChrisRiley this is probably a stupid question. I'm a noobie. On the 995 servos should I get 180 or 360 or does it even matter? Thanks!!!!!

[@ChrisRiley]

@@navysnow5618 if I remember correctly these are all 180.

[@OwenAWilliams]

Thanks! I’ve got one printing and I couldn’t figure out what servos I needed from the OG build document. I’ll order a dozen mg995’s

[@ChrisRiley]

Happy to help! Thanks for watching

[@skewlines4152]

MG995's should be fine, I'm using MG996R's and they fit well.

[@roshanravindra3363]

This was a great video. Just had a question, how does the self locking nut allow movement and sorry if it's a stupid question.

[@ChrisRiley]

Thanks! If you use the nylock nut it will stay in place and allow you to leave it loose so the arm will move on the screw.

[@bruno100cdz]

Hey Chris. Nice tutorial as always, congratulations! I just finished the hardware part of this robot, but just hit a snag on the software side of things. Turns out I only got a Raspberry Pi 3B readily available, is it possible to drive all servos with it reliably? Any tutorial you recommend following?

[@ChrisRiley]

Hey Bruno, I really don't know. My guess is the Pi won't have the current to drive the servos.

[@luuk7330]

Thank you for the nice video and explanation! :)

[@ChrisRiley]

You bet! Thanks for watching!

[@Nadesican]

Mine's just about done. Having trouble sourcing those threaded rods though. Also the power supply. I don't think I have anything that provides power and hooks to pins of the Pololu

[@ChrisRiley]

The rods are hard to find. I just cut my power supply wires and added connectors.

[@janeharrigan8433]

@@ChrisRiley where did you find the rods? I’ve looked in stores and online, can’t find them at the right length.

[@skewlines4152]

I got some large bolts and sawed the heads off to get the rods.

[@scottsrcshop]

Can’t wait to put mine together , thanks

[@ChrisRiley]

Thanks for watching

[@TheDutyPaid]

Good guide. Now mount a hotend to it and have a crazy 3D printer.

[@ChrisRiley]

Ha ha ha, that would be a good time right there.

[@marcobarros4742]

I think that I am going to use this robot in my school project but we only have arduinos at our school. Can I find somewhere code for controlling this arm?

[@ChrisRiley]

Marco Barros Yes check out this video. kzbin.info/www/bejne/sHOlg3qlfc6EncU

[@marcobarros4742]

Chris Riley Thank you!

[@vaibhavsinhjadav5418]

You hve any idea abt the viridis 3D printer in which the printer head is used. I want some details abt the printer head nd if possible thn its design in solidworks or can work with the dimension nd all Thanks for the help..👍👍

[@ChrisRiley]

Thanks for the comment. I know very little about it. I have seen it in action and it is very cool. Sorry I don't have anymore info.

[@vaibhavsinhjadav5418]

Ok thank u👍👍 Good going keep it up.

[@vaibhavsinhjadav5418]

Hello... Thanks for the detailed explanation...actually we are working on the same project but with some change in design and we are planning to work with arduino UNO. Can u tell me what are the think to keep in mind while working on this. Thanks for the help.🙏

[@ChrisRiley]

It's a pretty easy build. I would just make sure you use a drill bit on the holes before you assemble it. Let me know how it goes.

[@MrBMWerner]

Can this pololu input and output? I want to start the programm with a button and want to use the output to start a pump with e relais to poor drinks?

[@ChrisRiley]

You'll have to check out there site some have PWM and digital outputs.

[@PrintNPlay]

Freakin' awesome!

[@ChrisRiley]

Thanks man! Very cool project. Carlo really knows his stuff.

[@navysnow5618]

Hey, my main base does not have the tiny holes for the servo screws in real life and when looking at the files. How did you get the tiny holes for the servo? 6:06 is the tiny holes im talking about.

[@navysnow5618]

My file does not show the holes at all.

[@ChrisRiley]

Wow, I wonder what has changed? I guess you could just drill some if you have a small bit.

[@navysnow5618]

@ChrisRiley yea, that's what I'm planning. I have no clue why it's happening. Print quality is good and everything.

[@lfrohman7]

Thank you for detailing the construction. Printed it and just started putting it together. There are no holes in the EBAmk2_012_mainbase.stl file for attaching the servo (6:01 into the video). It looks like you drilled those holes after the piece was printed? What size drill bit and how deep? Thanks.

[@ChrisRiley]

Thanks for watching. I just used the screws that came with the servos and let them tap the holes. They went in pretty easy if I remember correctly.

[@jonatan7717]

Thanks Mr. Chris for the tutorial. I have a question, Is possible to main base turn 180°?

[@ChrisRiley]

You're welcome! Yes, I think it would spin 180 just fine, but you might have to go with a different servo, or get it set just right.

[@jonatan7717]

The gear for servo : the gear of base = 1 : 2, am I right Mr. Chris? So if i want main base turn 180 then I need a 360 servo. Do you have any suggestion for 360 servo, which is not a continuous servo (with this type, we can't set the degree)? Thank you very much

[@ChrisRiley]

1 : 2 looks about right, but I am not really sure. I really don't know of any servo that can spin 360 out of the box, but there are a lot of different mods online that you can alter a regular servo to do this. That's about all I know, sorry I couldn't help more.

[@jonatan7717]

Thank you very much Mr. Chris

[@luismoran9999]

With the plans you had no problems when putting it together?

[@ChrisRiley]

No issues, it went together pretty smooth.

[@visionaryrobotics4065]

How many amps do the servos use?

[@ChrisRiley]

120mA at full load running at 5v.

[@visionaryrobotics4065]

@@ChrisRiley thanks

[@lancian.s3370]

Hola!, Que filamento y que medida de filamento usas para imprimirlo?

[@ChrisRiley]

Puede usar un PLA y se necesita menos de 1 kg para imprimirlo.

[@Thomas_Ricks_]

Cool! My Chance of making one is 90% LOL!

[@ChrisRiley]

ArduinoMakes 90% is good enough. Thanks for the comment.

[@Thomas_Ricks_]

i'll probably make the first one :)

[@roopekaappola7177]

Just wondering how much material all those part took to print?

[@ChrisRiley]

Not really that much, maybe half a kg total or less.

[@bubba6647]

great tutorial. i want to make one. i have no useful need for a robot arm, but i want to learn about it. pla ok?

[@ChrisRiley]

Sure, PLA works great!

[@SebaGT]

man.......thumb up only for the intro! 🙂

[@ChrisRiley]

😁

[@thebucketmouse]

any idea how much weight this arm could lift?

[@ChrisRiley]

Not that much, less than a pound I would guess.

[@murilomuller9501]

Could you send me the list of screws used to assemble the robotic arm?

[@ChrisRiley]

This link has a list of parts! Thanks for watching EEZYbot arm MK2 how to site: www.eezyrobots.it/eba_mk2.html

[@parthvaghela3029]

Please make it as a3d printer. Again I request.

[@ChrisRiley]

lol, I can try.

[@michael-hl1cj]

nice

[@ChrisRiley]

Thanks

[@israeln864]

You have link to buy the power supply to the Pololu? Thanks

[@ChrisRiley]

You can use pretty much anything that is 5v. These seem to work well for the servo side. You will still need USB for the software side. www.amazon.com/gp/product/B00P5P6ZBS/ref=oh_aui_detailpage_o06_s00?ie=UTF8&psc=1

[@israeln864]

Chris Riley thanks. Did you print all the parts with PLA?

[@ChrisRiley]

Israel N Yes, all PLA.

[@israeln864]

Chris Riley Hi I have problem with my Pololu. If u can please help me forum.pololu.com/t/i-need-help-with-the-connection/14428

[@ChrisRiley]

Israel N Which power supply did you go with?

[@harounlouati1923]

Hello everyone This is my Pan-Tilt-Head-Robot : kzbin.info/www/bejne/r4HEh3-caNyErNE I hope you like it ! I need your support !

[@ChrisRiley]

Didn't see the link.

[@harounlouati1923]

Thank you so much ​ @Chris Riley ! i corrected it :). I appreciate that !

[@ChrisRiley]

@@harounlouati1923 That is really cool!

[@harounlouati1923]

Thank you very much @Chris Riley ! ❤