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Here's the next part of the really useful robot, super early for Patrons. This one goes out on Tuesday 10th November.  

I'm pretty happy with how it's working, I'm already working on fixing the 'weird spinning around' issue seen during the navigation demo - on closer inspection that appears to be down to the map not updating quick enough when I was moving furniture around and the robot getting confused.  I'll be uploading all of the source and info to Github in due course.

Files

Previews only

Autonomous A.I. Robot Navigation Setup & Demo

Get your first 10 PCBs for free at https://www.pcbway.com/ It's part 2 of my Really Useful Robot project. This time we're setting up ROS on the robot so it can map and navigate it's environment using the laser scanner. I'm using the ROS navigation stack, but this is dependent on having the Odometry set up properly which is where the main focus of this video is. Hardware includes an NVIDIA Jetson Xavier NX, RP Lidar A2, ODrive 3.6 + brushless motors and 8192 CPR encoders, Teensy 4.1. With thanks to: https://robosavvy.com/ https://www.3dfuel.com/ https://nvda.ws/3gAmKm9 https://coolcomponents.co.uk/ https://www.theconstructsim.com/ You can support me on Patreon or buy my Merchandise: *************************** Patreon: https://www.patreon.com/xrobots Merchandise: https://teespring.com/stores/james-bruton *************************** Affiliate links - I will get some money of you use them to sign up or buy something: *************************** Matterhackers 3D printing supplies: http://www.matterhackers.com?aff=7500 Music for your YouTube videos: http://share.epidemicsound.com/xrobots *************************** Other socials: *************************** Instagram: https://www.instagram.com/xrobotsuk Facebook: https://www.facebook.com/xrobotsuk/ Twitter: https://twitter.com/xrobotsuk *************************** CAD and Code for my projects: https://github.com/XRobots Huge thanks to my Patrons, without whom my standard of living would drastically decline. Like, inside out-Farm Foods bag decline. Plus a very special shoutout to Lulzbot, Inc who keep me in LulzBot 3D printers and support me via Patreon. HARDWARE/SOFTWARE Below you can also find a lot of the typical tools, equipment and supplies used in my projects: Lulzbot 3D Printers: http://bit.ly/2Sj6nil Lincoln Electric Welder: https://bit.ly/2Rqhqos CNC Router: https://bit.ly/2QdsNjt Ryobi Tools: http://bit.ly/2RhArcD Axminster Micro Lathe: http://bit.ly/2Sj6eeN 3D Printer Filament: http://bit.ly/2PdcdUu Soldering Iron: http://bit.ly/2DrNWDR Vectric CNC Software: http://bit.ly/2zxpZqv Why not join my community, who are mostly made up of actual geniuses. There’s a Facebook group and everything: https://www.facebook.com/groups/287089964833488/ XROBOTS Former toy designer, current YouTube maker and general robotics, electrical and mechanical engineer, I’m a fan of doing it yourself and innovation by trial and error. My channel is where I share some of my useful and not-so-useful inventions, designs and maker advice. Iron Man is my go-to cosplay, and 3D printing can solve most issues - broken bolts, missing parts, world hunger, you name it. XRobots is the community around my content where you can get in touch, share tips and advice, and more build FAQs, schematics and designs are also available.

Comments

Thomas Messerschmidt

James, did all of those companies just come knocking on your door bearing their wonderful technological gifts? Or did you first need to contact them?

Scott Cress

Excellent work James. The RUR looks great! Please give it an arm, hopefully as good if not better than you last. 😄 Maybe a 7DOF arm and have it serve tea. ☕

XRobots

Yes they mostly contact me asking how they can help or similar. Everyone wants their shout-out of course!

Anonymous

Great progress with RUR! I would consider counterbalancing seriously before the arm mounting. To be really useful one wants it to carry stuff around without worrying about the RUR to tilt over.

Anonymous

More batteries or lead in the bottom :-)

XRobots

In hindsight I should probably have had the drive wheels at the back and then two castors at the front so it was square instead of round ;-)

Scott Cress

Give it two arms. Yes it will be more work. But you would be able to actively counter balance the weight. Besides it will give you something to do with the Ultron hardware. 😄

Anonymous

Well, all the robots i have build during the years have been round,- it’s just a nice shape for a robot, and so logical with differential drive.

Anonymous

That is really good. I’d like to build a long but I don’t have enough filament :) I might just do an ugly cousin out of wood and cheaper electronics :)