add overview of tightening first screw in 2 parts

diff --git a/curriculum/challenge-bot.scm b/curriculum/challenge-bot.scm
index 33d47532d7a3978358329d87a193241bf68e221c..a51f5472401c4ec12f8aeb7dd62b81cbc9dff596 100644 (file)
--- a/curriculum/challenge-bot.scm
+++ b/curriculum/challenge-bot.scm
@@ -207,6 +207,13 @@
                         the screw?]))]))
     (subsubsection
      :title [fasten the arduino board to the deck]
+     (p [first we'll put the screw into the deck just enough so the deck
+               holds it in place.
+               then we will hold the arduino up to the screw and finish
+               tightening the screw down.
+               with the screw partially in, we do not have hold it as
+               rigidly while we are also holding the arduino and
+               the deck.])
      (p [push the #6-32 screw into the deck from the underside.
               the underside is the brown side.
               at the same time, spin the 6-32 screw so it rotates