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Manipulator Arm

After seeing a few articles on robot arms in my RSS feeds, I decided to do a little work on constructing the manipulator arm.
Got some inspirations from these two manipulators.

The manipulator arm will function underwater.  Which means the weight or the arm will not be as critical.  However, that does mean that the servos will need to be waterproof.

I picked up a few servos, and have some damaged PVC fencing that I am repurposing to use for the skeletal structure.  I will probably need to get one more additional smaller servos.

Construction:

Here are details of the work so far.