use spokes instead of square for wheel

[challenge-bot] / TODO.rkt

#! /usr/bin/env racket
#lang racket/base

(define todo
  ;; list of specific things to do for challenge-bot class
  (list
   (list "programming guide to the challenge"
         (list
          "experiments and self test 2 page 4 of 15"
          "code is incomplete, needs int led = 13 and setup() too")
         "code in programming guide hard to read, make bigger"
         (list
          8
          "Example Program 4"
          "text should be copy-pastable"))
   "make challenge for blinking based on how far away hand is"
   "get gyroscopes"
   "change turnaround to spin_left and spin_right"
   "remove \"forward_speed\" and \"stop_speed\" from g_follow"
   "video should show motor doesn't react to hand for left motor"
   "make a case for the 9v and 6v battery holders"
   (string-append "order these: http://www.ebay.com/itm/"
                  "100-x-Ultrasonic-Module-HC-SR04-Distance-Measuring"
                  "-Transducer-Sensor-for-Arduino-/"
                  "161156018270?_trksid=p2054897.l5658")))

(define ideas
  (list
   "make the robots talk to each other"
   "have one robot load its program to another"
   (list "from 0 to movement faster"
         "hook motor directly to battery"
         (string-append "solder wires to motors, attach motors,"
                        " wheels, castor, battery packs and get"
                        " the robot moving forwards, backwards,"
                        " or turning in place")
         "hook up motor controller, have robot")
   (list
    "series of challenges"
    (list
     "Create series of simple challenges with associated awards (?)"
     "Simple challenges all relate directly to a larger competition."))
   (list
    "3d printed hubs instead of wheels"
    "that way they can make their own wheel to attach to the hub")
   (list
    "things we should do on our own with robots we have right now"
    (list
     "maze"
     (list "solve a maze with right hand rule")
     (list "turn 90 degrees")
     (list
      "calibrate the robot to drive straight forward with dead reckoning
      and hardcoding values.  see how straight it can go.")
     (list "1 of 4 maps")
     (list "shoot a ball with a ziptie")
     (list
      "maze mechanics"
      "go forward, then shoot, then continue maze."
      "intersection with light, get time bonus for passing at right time"
      "line following"
      "servo on robot to pick up something")
     (list
      "find sensors"
      (list
       "line following"
       (list
        "the line follower from sparki"
        "get 5 of the following:"
        (list "ir sensor" "mouser part 638-ITR8307TR8")
        (list "resistor" "220 ohm")
        (list "resistor" "47k ohm")
        (list "1/4 inch by 4 inch" "osh park")))
      "is a light on?"
      "look into pricing on gyro, accelerometer, encoder"
      "how was wayne planning on doing encoder")))
   (list
    "build software"
    "make a change to fritzing and compile it and see it")
   (list
    "review the following notes for improvements"
    (list
     "http://goo.gl/ZZ4E8E"
     "http://goo.gl/ilZiXR"))))