Parts* – art 150

Major Components*

6ft precision chain ($35.70)

http://www.servocity.com/html/plastic_chain__0_1227__.html#.Uyp0uvldX-t

4 servo sprockets ($16 – $24)

http://www.servocity.com/html/servo_sprockets___1227_.html#.Uypqg_ldX-t

2 continuous servo motors ($28)

http://www.robotshop.com/en/parallax-futaba-continuous-rotation-servo.html

1 12in paper roll ($15)

http://www.amazon.com/50-lb-Bogus-Paper-Roll/dp/B004SIFT92/ref=sr_1_23?s=arts-crafts&ie=UTF8&qid=1395292920&sr=1-23

Microphone Sound detection sensor ($3)

http://dx.com/p/arduino-microphone-sound-detection-sensor-module-red-135533#.Uyp93PldX-s

Ultra sonic sensor ($3)

http://dx.com/p/hc-sr04-ultrasonic-sensor-distance-measuring-module-133696#.Uyp-aPldX-s

2 markers ( < $5)

*Right now these are the parts that I need and don’t have. I have other materials such as wood that I will use but do not need to purchase. I am also uncertain if these are all the parts that I will need, But these are the major components which are essential to the project.