Robotic Arm

26/09: I carried on the research about the components and the design. 

I also had to imagine different scenarios I wanted the final version to be capable of recreate. In the first scenario, the user moves the arm to create a choreography. It doesn't lift any load. For the second level, it's the same thing that the first one but the arm can lift a light load like a dice or a pen. The last one can lift heavier objects and move them from a point to another ( the points can be at different heights).

I also draw a blueprint of the arm with the different axis of freedom.

19/09: I had to choose a project that can be interactive. I selected 2 ideas : create a pinball or upgrade a robotic arm I started last year but I couldn't finish. During my research I realized I didn't want to work on the pinball because I wasn't interested by the technologies needed for it.

I then started to search inspirations for the arm on what components to use, how to make it move and what was the design I wanted. The conclusion of the session was the possibility to move the arm manually, capture the movements through the servos with feedback and then resend the data to recreate the chorography. 

The arm has 3 degrees of freedom (1 for the rotation of the base, 1 for the 'shoulder', 1 for the 'elbow'), a clamp and less than 100g of payload. The motors are Dynamixel Servos and a Shield Dynamixel will be need to control the servos with Arduino.