HI.
About to start a project to build a feeding robot arm for my paraplegic son,
Engineering background but new to robotics 
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Hi @iainsherriff and welcome to our forum!
We are glad to hear about your project and your interest in robotics
Good luck with your project
@iainsherriff Welcome to the RobotShop Community. Best of success!
In case it helps, we’ve seen it done before with:
The more recent model:
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