fill subsubsection on drilling the first hole

[challenge-bot] / curriculum / challenge-bot.scm

diff --git a/curriculum/challenge-bot.scm b/curriculum/challenge-bot.scm
index 72de0cff48333284c86fa70aa1880daedf92f4c5..2ebd03481528a8901033e6cedd87a1cec6968d41 100644 (file)
--- a/curriculum/challenge-bot.scm
+++ b/curriculum/challenge-bot.scm
@@ -70,7 +70,14 @@
         [while holding the drill bit, twist end of the drill to tighten
                the teeth.
                make sure that the teeth end up gripping the flat part of
-               the drill bit.]))
+               the drill bit.])
+     (p [check
+         ,(itemize
+           (item
+            [where should the teeth clamp down on the drill bit?])
+           (item
+            [what would happen if the teeth tightened on the recessed
+                  part of the drill bit?]))]))
     (subsubsection
      :title [holding drill]
      (p [hold the drill with one hand on the handle and trigger.
@@ -93,9 +100,39 @@
              the green circle shows where the hole is.
              the blue box encloses the arduino hole and two deck holes.
              place the arduino hole mid-way between the two
-             deck holes.]))
+             deck holes.])
+     (p [check
+         ,(itemize
+           (item
+            [should the arduino be upside-down?])
+           (item
+            [what should the upper side of the arduino align with?])
+           (item
+            [why not place the arduino up along the left side of the
+                 robot?]))]))
     (subsubsection
-     :title [drilling]))
+     :title [drilling]
+     (p [place the drill bit in position.
+               brint the drill up to full speed, and keep it full speed.
+               push down until the drill bit has passed through the
+               deck.
+               keep the drill at full speed.
+               stop before the drill smashes into the arduino.
+               keep the drill at full speed by holding the trigger.
+               bring the drill straight back up.
+               hold the trigger down to keep the drill at full speed.
+               once the drill is back out of the hole, let go of the
+               trigger.])
+     (p [check
+         ,(itemize
+           (item
+            [should the drill be at full speed while the drill bit is
+                    going down into the wood and coming back up?])
+           (item
+            [what would happen if the drill bit were not at full
+                  speed?])
+           (item
+            [how do you keep the drill at full speed?]))])))
    (subsection
     :title [first screw]
     (subsubsection