X-Git-Url: http://challenge-bot.com/repos/?a=blobdiff_plain;f=curriculum%2Fchallenge-bot.scm;h=65d56ff9581f768adcdc75c7515e182c785db219;hb=9f6519960b3edc341066a6c9e138a9992fd7eb4d;hp=9220c5b5e008f72f8477cf06d432c17969c02044;hpb=1b593ec7fd2040a0b93271212f43d8f7d36520c0;p=challenge-bot

diff --git a/curriculum/challenge-bot.scm b/curriculum/challenge-bot.scm
index 9220c5b..65d56ff 100644
--- a/curriculum/challenge-bot.scm
+++ b/curriculum/challenge-bot.scm
@@ -10,11 +10,79 @@
    (subsection
     :title [arduino placement])
    (subsection
-    :title [first hole and screw])
+    :title [first hole]
+    (subsubsection
+     :title [choosing drill bit])
+    (subsubsection
+     :title [inserting drill bit])
+    (subsubsection
+     :title [holding drill])
+    (subsubsection
+     :title [drilling]))
+   (subsection
+    :title [first screw]
+    (subsubsection
+     :title [fastening arduino to deck using #6-32x3/8\" screw]
+     (p [the "#6" part of "#6-32x3/8\"" is how big around the bolt is.
+             it is related to wire gauge.
+             bigger numbers mean larger screw.
+             smaller numbers means smaller screws.])
+     (p [check
+         ,(itemize
+           (item
+            [in the motor assembly, there are #4-40x1.25\" screws.
+                are those fatter, thinner, or the same thickness as the
+                #6-32x3/8\" screws?]))])
+     (p [the "32" part is a measurement of how close the threads are to
+             each other.
+             this is related to the angle of the thread, which is also
+             called pitch.
+             it is a count of how many times the thread wraps around one
+             inch of the screw body.])
+     (p [the head is the flat part where some tool, like the alan
+             wrench, can exert force to spin the screw.])
+     (p [check
+         ,(itemize
+           (item [how many times will the thread wrap around one inch of
+                      the screw body?])
+           (item [what about 2 inches?
+                       how many times will the thread wrap around two
+                       inches of the screw body?]))]))
+    (subsubsection
+     :title [fasten the arduino board to the deck]
+     (p [push the 6-32 screw into the deck from the underside and at the
+              same time, spin the 6-32 screw clockwise while looking
+              down on its head.
+              twist until the bottom of the screw is
+              about to stick out on the top side of the deck.])
+     (p [hold the arduino board flat to the deck and line up the arduino
+              hole so the screw can come up through it.
+              continue tightening the screw into the deck, spinning the same
+              direction as before.
+              tighten until the screw head touches the deck.
+              do not continue tightening after that.])
+     (p [the arduino should still be flat against the deck still, just
+             as it was before tightening the screw.]))
+    (subsubsection
+     :title [assessment]
+     (p [does the arduino stay with the deck when the deck moves?
+              can the arduino board still rotate a few degrees?
+              warning, if you rotate the arduino board too much, you
+              will unscrew it from the deck and you'll have to screw it
+              back in.
+              rotating a few degrees should be ok.]))
+    (subsubsection
+     :title [arduino board move relative to deck]
+     (p [without any screws, the arduino board can move independently of
+                 the deck.])
+     (p [with the first screw, the arduino can rotate around one point
+              on the deck.])))
    (subsection
     :title [second hole and screw])
    (subsection
     :title [third and fourth hole and screw]))
+  (section
+   :title [breadboard])
   (section
    :title [battery packs]
    (subsection
@@ -36,27 +104,80 @@
    (subsection
     :title [motor]))
   (section
-   :title [caster])
+   :title [caster]
+   (subsection
+    :title [deck placement]))
   (section
-   :title [sonars]))
+   :title [sonars]
+   (subsection
+    :title [deck placement])))
  (chapter
   :title [wiring and software]
   (section
-   :title [serial])
+   :title [serial]
+   (subsection
+    :title [software on computer]
+    (subsubsection
+     :title [arduino])
+    (subsubsection
+     :title [fritzing]))
+   (subsection
+    :title [attach arduino and computer via cable])
+   (subsection
+    :title [debugging common connection problems])
+   (subsection
+    :title [arduino reset button]))
   (section
-   :title [left sonar])
+   :title [left sonar]
+   (subsection
+    :title [breadboard connectivity])
+   (subsection
+    :title [cable])
+   (subsection
+    :title [arduino headers])
+   (subsection
+    :title [sound cm per microsecond at sea level]))
   (section
-   :title [both sonars])
+   :title [both sonars]
+   (subsection
+    :title [breadboard power rail]
+    (p [power rail can provide power to more than one device.])))
   (section
-   :title [left motor])
+   :title [left motor]
+   (subsection
+    :title [arduino digital output])
+   (subsection
+    :title [quad half h bridge, aka motor controller])
+   (subsection
+    :title [motor battery]))
   (section
-   :title [both motors])
+   :title [both motors]
+   (subsection
+    :title [analogWrite]))
   (section
-   :title [untethered])
+   :title [untethered]
+   (subsection
+    :title [arduino battery])
+   (subsection
+    :title [off and on functions]))
   (section
-   :title [follow])
+   :title [follow]
+   (subsection
+    :title [same wiring as untethered])
+   (subsection
+    :title [set motor])
+   (subsection
+    :title [go])
+   (subsection
+    :title [determining speed]))
   (section
-   :title [stay on table])))
+   :title [stay on table]
+   (subsection
+    :title [stop])
+   (subsection
+    :title [backup])
+   (subsection
+    :title [turn around]))))
 
 ;; Copyright 2016 daniel watson