After watching the paul robot video, I read coupe of article about the what the user feeling about that<1> and also think of the sandglass, sometimes the attractive thing isn’t the boring result , is the process impact on the user. and realize the user prefer the processing of drawing rather than geting the presice result. However, the user still has the requirement about the drawing.
Therefore, I search the material about the robot arm, found the page some useful construction of the robot arm<2><3>
1. build the robot arm to performance the drawing processing and sensor controls the pause and resume according to the enviroment element change, and the camera capture the face for drawing.
2. build the programme and device to draw according to the frequece change of sound and noise, try my best to express the sound on the paper