redo battery lead preparation to include wrap

diff --git a/guide/2-batteries/0-prepare-leads/0-prepare-leads.ogv b/guide/2-batteries/0-prepare-leads/0-prepare-leads.ogv
deleted file mode 100644 (file)
index 2fe1373..0000000
Binary files a/guide/2-batteries/0-prepare-leads/0-prepare-leads.ogv and /dev/null differ

diff --git a/guide/2-batteries/0-prepare-leads/0-strip.ogv b/guide/2-batteries/0-prepare-leads/0-strip.ogv
new file mode 100644 (file)
index 0000000..2fe1373
Binary files /dev/null and b/guide/2-batteries/0-prepare-leads/0-strip.ogv differ

diff --git a/guide/2-batteries/0-prepare-leads/1-wrap.ogv b/guide/2-batteries/0-prepare-leads/1-wrap.ogv
new file mode 100644 (file)
index 0000000..6a11372
Binary files /dev/null and b/guide/2-batteries/0-prepare-leads/1-wrap.ogv differ

diff --git a/guide/challenge-bot.scm b/guide/challenge-bot.scm
index bff1726e45e581f89322f5f9ba5f9e8c5fae3425..484984f54e8fa868bcaad1244dc1939a8c622f6b 100644 (file)
--- a/guide/challenge-bot.scm
+++ b/guide/challenge-bot.scm
@@ -326,32 +326,50 @@
    :title [battery packs]
    (subsection
     :title [leads]
-    (p ["leads" are the wires coming out of the battery pack.
-        prepare the leads of the batteries by stripping them and placing
-        heat shrink on them.
-        your battery packs are not attached to your deck yet,
-        but that will be the next step.])
-    (figure :legend "batteries / prepare leads / video"
-            (video
-             :file "2-batteries/0-prepare-leads/0-prepare-leads.ogv"))
-    (enumerate
-     (item (bold [do not pick up batteries by their leads!]))
-     (item [strip the leads a tiny bit at a time.
-                  keep stripping until a total of an inch is stripped.
-                  the leads are made of tons of tiny wires that will
-                  tear apart if too much insulation is stripped at
-                  once.
-                  wire made of a bunch of tiny wires
-                  is "stranded wire".])
-     (item [strip both leads of both batteries.])
-     (item [then place heat shrink on every lead.
-                 make sure the heat shrink is either clear or matches
-                 the color of the lead.]))
-    (p [check])
-    (itemize
-     (item [should you pick up a battery by its leads?])
-     (item [should you strip the leads a large amount at a time?])
-     (item [what's the name of wires made of a bunch of tiny wires?])))
+    (subsubsection
+     :title [strip]
+     (p ["leads" are the wires coming out of the battery pack.
+         prepare the leads of the batteries by stripping them and
+         placing heat shrink on them.
+         your battery packs are not attached to your deck yet,
+         but that will be the next step.])
+     (figure :legend "batteries / prepare leads / stripping"
+             (video
+              :file "2-batteries/0-prepare-leads/0-strip.ogv"))
+     (enumerate
+      (item (bold [do not pick up batteries by their leads!]))
+      (item [strip the leads a tiny bit at a time.
+                   keep stripping until a total of an inch is stripped.
+                   the leads are made of tons of tiny wires that will
+                   tear apart if too much insulation is stripped at
+                   once.
+                   wire made of a bunch of tiny wires
+                   is "stranded wire".])
+      (item [strip both leads of both batteries.])
+      (item [then place heat shrink on every lead.
+                  make sure the heat shrink is either clear or matches
+                  the color of the lead.]))
+     (p [check])
+     (itemize
+      (item [should you pick up a battery by its leads?])
+      (item [should you strip the leads a large amount at a time?])
+      (item [what's the name of wires made of a bunch of tiny
+                    wires?])))
+    (subsubsection
+     :title [wrap]
+     (p [do the next 2 sections with just one lead at a time.
+            wrap, then solder one battery lead before moving on to the
+            next.
+            wrap the stranded wire around a solid core wire, as shown
+            in this video.])
+     (figure :legend "batteries / prepare leads / wrap"
+             (video
+              :file "2-batteries/0-prepare-leads/1-wrap.ogv"))
+     (p [the solid core wire is the stiff short wire.
+             it is much easier to poke into the breadboard.])
+     (p [check])
+     (itemize
+      (item [why are we using a solid core wire?]))))
    (subsection
     :title [deck attachment]))
   (section