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

(define todo
  ;; list of specific things to do for challenge-bot class
  (list
   "video should show motor doesn't react to hand for left motor"
   "put a notch on the corner of the sonar to make it easier to push in"
   "make a case for the 9v and 6v battery holders"
   "determine if 9v or 6v battery holder can be disposed"
   "get multimeter to determine which batteries are dead"
   "get wirestripper"
   "get solid core wire for breadboard"
   "get male female wires"
   "make physical layout drawing"
   "order male female jump wire"
   (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
   (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"))
   (list
    "hacker dojo 3d printer talk"
    (list
     "look into glue.  purple children's glue stick water soluble."
     "but only if stuff stops sticking to blue tape.  maybe nylon")
    (list "take out springs for build plate, replace with rubber foot?")
    (list "print shoe cover (light up?!?)"
     "sneaker heads be like damn he got the velcro")
    (list
     "invest in the cad package"
     "the 3d printer makes the cad valuable"
     "good water type parts are difficult, no package currently does this")
    (list
     "3d hubs"
     "find someone close to you that has a printer")
    (list
     (string-append "this is going to explode when it gets to people"
                    " who don't want to tinker")
     "open source software is just for tinkerers")
    (string-append
     "stratasys has patented retracting the non-printing"
     " head of dual-head")
    "put a piece of foam on the filament before going into extruder"
    "regrind abs is brittle and affects print"
    "some plastic changes color based on temperature")
   "schedule stuff for august 3 through 10"))