That's where I'm currently heading ( My 2019 ) :

The four robots I build since this project started.
Version 4 now nearly done and in testing.
Take a look at the Gripper I designed for my Robots:
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:
I am totally new to this field, I am trying to start making this arm but haven't found a clear starting point, is there any guide or something written especially for electornics