5 ;; list of specific things to do for challenge-bot class
7 "make a case for the 9v and 6v battery holders"
8 "determine if 9v or 6v battery holder can be disposed"
9 (string-append "order these: http://www.ebay.com/itm/"
10 "100-x-Ultrasonic-Module-HC-SR04-Distance-Measuring"
11 "-Transducer-Sensor-for-Arduino-/"
12 "161156018270?_trksid=p2054897.l5658")))
16 (list "from 0 to movement faster"
17 "hook motor directly to battery"
18 (string-append "solder wires to motors, attach motors,"
19 " wheels, castor, battery packs and get"
20 " the robot moving forwards, backwards,"
21 " or turning in place")
22 "hook up motor controller, have robot")
24 "series of challenges"
26 "Create series of simple challenges with associated awards (?)"
27 "Simple challenges all relate directly to a larger competition."))
29 "3d printed hubs instead of wheels"
30 "that way they can make their own wheel to attach to the hub")
32 "things we should do on our own with robots we have right now"
35 (list "solve a maze with right hand rule")
36 (list "turn 90 degrees")
38 "calibrate the robot to drive straight forward with dead reckoning
39 and hardcoding values. see how straight it can go.")
41 (list "shoot a ball with a ziptie")
44 "go forward, then shoot, then continue maze."
45 "intersection with light, get time bonus for passing at right time"
47 "servo on robot to pick up something")
53 "the line follower from sparki"
54 "get 5 of the following:"
55 (list "ir sensor" "mouser part 638-ITR8307TR8")
56 (list "resistor" "220 ohm")
57 (list "resistor" "47k ohm")
58 (list "1/4 inch by 4 inch" "osh park")))
60 "look into pricing on gyro, accelerometer, encoder"
61 "how was wayne planning on doing encoder")))
64 "make a change to fritzing and compile it and see it")
66 "review the following notes for improvements"
68 "http://goo.gl/ZZ4E8E"
69 "http://goo.gl/ilZiXR"))))