That's where I'm currently heading:
The four robots I build since this project started.
Version 4 now nearly done and in testing.
Take a look at my newest video of my robot arm project, it's also the video for the HackadayPrize semifinals.
Version 4 is now nearly complete:
I also started uploading the files on github:
https://github.com/4ndreas/BetaBots-Robot-Arm-Project
And a components list for version 4:
Brilliant work Andreas. Video sehr genial. Can you explain why you opted for belt drive over planetary gearing systems? Cost? Simplicity?