From: daniel watson <ozzloy@gmail.com>
Date: Sun, 12 Jun 2016 04:29:48 +0000 (-0700)
Subject: add note about third and fourth screws
X-Git-Url: http://challenge-bot.com/repos/?p=challenge-bot;a=commitdiff_plain;h=a5939c50de27e191a4f0495eaff4eaa9f5e01405

add note about third and fourth screws
---

diff --git a/curriculum/challenge-bot.scm b/curriculum/challenge-bot.scm
index f0a9893..7d83019 100644
--- a/curriculum/challenge-bot.scm
+++ b/curriculum/challenge-bot.scm
@@ -272,7 +272,11 @@
             furthest away from the first hole.
             then insert and tighten the screw as before.])))
    (subsection
-    :title [third and fourth hole and screw]))
+    :title [third and fourth hole and screw]
+    (p [even though the arduino is pretty well attached with just 2
+             screws, we will add a third and fourth.
+             this gives practice drilling and tightening screws.
+             it also keeps the arduino fixed even more rigidly.])))
   (section
    :title [breadboard])
   (section