From: daniel watson <ozzloy@gmail.com>
Date: Mon, 27 Jun 2016 03:16:17 +0000 (-0700)
Subject: detail how to attach motor battery pack to deck
X-Git-Url: http://challenge-bot.com/repos/?p=challenge-bot;a=commitdiff_plain;h=7b69011959ffa13e5557764a8d97624b16bd73e4

detail how to attach motor battery pack to deck
---

diff --git a/guide/2-batteries/1-placement/0-motor-battery-pack.ogv b/guide/2-batteries/1-placement/0-motor-battery-pack.ogv
new file mode 100644
index 0000000..e3b59c0
Binary files /dev/null and b/guide/2-batteries/1-placement/0-motor-battery-pack.ogv differ
diff --git a/guide/challenge-bot.scm b/guide/challenge-bot.scm
index 37eb8b7..0b2c486 100644
--- a/guide/challenge-bot.scm
+++ b/guide/challenge-bot.scm
@@ -405,7 +405,35 @@
       (item [why should we clean off the tip of the soldering iron?])
       (item [why do we put more solder back on the tip of the iron?]))))
    (subsection
-    :title [deck attachment]))
+    :title [deck attachment]
+    (subsubsection
+     :title [motor battery pack attachment]
+     (p [attach the motor battery pack to the robot deck.])
+     (figure
+      :legend "batteries / placement / motor pack"
+      (video
+       :file "2-batteries/1-placement/0-motor-battery-pack.ogv"))
+     (p [we will use glue dots to attach the motor battery pack to the
+            deck.
+            the pack could be placed anywhere, but we will place it
+            in the lower left side of the robot.
+            this battery pack has 4 AA batteries in it.
+            each battery has 1.5 volts difference between the positive
+            and negative side.
+            the batteries are connected in series.
+            the total voltage difference for the whole battery pack is
+            the sum of the individual voltages, which is 6 volts.])
+     (enumerate
+      (item [make sure you are placing dots on the side of the battery
+                  pack without the on/off switch.])
+      (item [peel off a glue dot for each of the corners of the
+                  battery pack.])
+      (item [when placing the battery pack, make sure the screw hole
+                  aligns with a hole on the deck.]))
+     (p [check])
+     (enumerate
+      (item [why place the glue dots on the side of the battery pack
+                 without the on/off switch?])))))
   (section
    :title [motors]
    (subsection