instruction:https://wp.nyu.edu/shanghai-ima-interaction-lab/recitation-4-actuators-and-mechanisms/ The project required us to build a machine using a stepper motor and its accessories to achieve a mechanism movement. I worked in pair with Andy. We devided our tasks. Andy built the circuit and I did the cardboard cutting and assembling. I first glued the blueprint to the cardboard, and cut the cardboard according to the lines. Putting the ruler at some angles to the right arm will cut a straight line closely aligned to the ruler. Sometimes the line is very close to the margin of the … [Read more...] about Recitation4: Documentation