add required materials for breadboard to deck

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

diff --git a/guide/challenge-bot.scm b/guide/challenge-bot.scm
index 1d662c2882dd34e1ba352aabc0a6eaf92a3609bf..0c70756fbdc109ea84e969e06cd7bffe1313671b 100644 (file)
--- a/guide/challenge-bot.scm
+++ b/guide/challenge-bot.scm
@@ -25,7 +25,8 @@
               (item [wood block])
               (item [arduino])
               (item [#6-32x3/8\", four of them])
-              (item [robot deck, the white thing with a grid of holes1]))]))
+              (item [robot deck, the white thing with a grid of
+                           holes1]))]))
    (subsection
     :title [first hole]
     (subsubsection
@@ -68,7 +69,8 @@
                 smooth part of the bit when they are tightened.])
      (p (figure
          :legend "arduino to deck / twist tighten drill teeth"
-         (image :file "0-arduino-to-deck/2-twist-tighten-drill-teeth.png"))
+         (image
+          :file "0-arduino-to-deck/2-twist-tighten-drill-teeth.png"))
         [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
@@ -224,8 +226,8 @@
               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.
+              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
@@ -266,8 +268,8 @@
             rotation.]
         (figure
          :legend "arduino to deck / keep holes far apart"
-                (image
-                 :file "0-arduino-to-deck/keep-holes-far-apart.png"))))
+         (image
+          :file "0-arduino-to-deck/keep-holes-far-apart.png"))))
     (subsubsection
      :title [drilling and attaching second screw]
      (p [to drill the second hole, follow the same steps as drilling the
@@ -290,7 +292,19 @@
      (item [there should be no warping on the arduino.
                   this could happen if the screws are too tight.]))))
   (section
-   :title [breadboard])
+   :title [breadboard]
+   (p [next, let's attach other parts to the deck.
+             we'll start with the breadboard.
+             there are many ways to do this, but one handy approach is
+             glue dots.
+             glue dots can be placed easily, are good at attaching flat
+             surfaces that directly touch and do not get much stress.])
+   (p (figure
+       :legend "breadboard to deck / required materials"
+       (image
+        :file "1-breadboard-to-deck/0-required-materials.png"))
+      [for this section, we will need the deck with arduino attached,
+           breadboard, and glue dots.]))
   (section
    :title [battery packs]
    (subsection