Now that we have built all of the components of the arm, we can assemble the full arm. The first step of this process is to connect the shoulder plate to the arm plate. For this step, you will need these parts:
Watch the video below to see how the two plates are put together.
Note: Make sure that the self-locking nut is placed on the outside of the arm like in the video. Otherwise, the servo will not be able to fit in place.
After you have connected the shoulder plate to the arm plate, you will need to connect the arm plate to the wrist plate. This step is very similar to the previous step. For this step, you will need these parts:
Watch the video below to see how wrist plate is connected to the arm.