Chris Annin Calls the Open Source AR4 Robot Arm Done with the New, Final Mark 5 Revision
Engineer Chris Annin, of Annin Robotics, has announced a fifth-generation revision to the AR4 open source six-degrees-of-freedom robot arm kit — and has declared the project complete, with no new design changes expected in the immediate future.
"The Mark 5 update isn't a huge update," Annin says of the release. "It just upgrades some of the calibration limit switches to Hall effect sensors, and that changed a few mounting points on the aluminum parts. But this update should be the last update for the arm itself for the foreseeable future. This is the last of the updates I had on my list to complete for the robot arm itself. I'll, of course, always be doing updates on the software and coming up with new stuff like that, but for the arm itself I don't have any more changes planned right now."
Annin's open source robot arm project began with the...
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