Robotics: Robot Arm is Now Twice as Strong!

What is this video series about? I'm building a robot gripper arm from scratch! Follow me on my journey as I make a breakthrough, hit a wall, and even check out what parts I'm using!Show more

Special thanks to Designatronics for sending sample parts to test out! If you're also building a homemade robot, work with automation in manufacturing, or are a remote control vehicle enthusiast they have a huge assortment of high quality parts to choose from!

Check out their site at http://sdp-si.com

Also, if you'd like to know more about them and their team check these videos out:

https://www.youtube.com/watch?v=L4KQi_7ztek - Enterprises Television Show Feature
https://www.youtube.com/watch?v=AqJbZN2MyQc - Engineered Solutions for a World in Motion
https://www.youtube.com/watch?v=Ds9_n1o9cdI - SDP/SI Facility Tour

Disclaimer: After reading the YouTube terms & conditions I'm not 100% sure that YouTube requires that sample products to be considered "paid product placement or endorsement" so I checked the box as to prevent this video from being de-monetized in the future.

I rebuilt the base of the robot arm so it could support a lot more weight. I added a 2nd motor synchronized with the first to generate a lot more torque to move the arm closer to the "shoulder" and also above the elbow (or "forearm").

The pulleys and belts from Designatronics are found here:
http://shop.sdp-si.com/catalog/product/?id=A_6A51M060DF0606#
https://sdp-si.com/products/timing-belts/gt2.php - A 6R51M100060

I can only use 3 driver control boards at the moment but the MCP23017 chips I purchased should do the trick. I'll cover that in the next video since there are a lot of RPi updates I have to finish before that'll work.

I'll add the link to the source of the Python code I started with as a reference when I find it. I modified it to run 2 motors in sync.

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