add drilling and attaching second screw

diff --git a/curriculum/challenge-bot.scm b/curriculum/challenge-bot.scm
index 29b24eb0d0e8d63caf8453943a3961aca9c24241..b7dd2649c3e63cc6f61660975ef3487f89e5ac14 100644 (file)
--- a/curriculum/challenge-bot.scm
+++ b/curriculum/challenge-bot.scm
@@ -263,7 +263,13 @@
             far as possible from the first hole, since that minimizes
             rotation.]
         (figure :legend "arduino to deck / keep holes far apart"
-                (image :file "arduino-to-deck/keep-holes-far-apart.png")))))
+                (image :file "arduino-to-deck/keep-holes-far-apart.png"))))
+    (subsubsection
+     :title [drilling and attaching screw]
+     (p [to drill the second hole, follow the same steps as drilling the
+            first hole.
+            hold the arduino down as before, and drill through the hole
+            furthest away from the first hole.])))
    (subsection
     :title [third and fourth hole and screw]))
   (section