+ (section
+ :title [breadboard]
+ (p [next, let's attach other parts to the deck.
+ we'll start with the breadboard.
+ there are many ways to do this, but one handy approach is
+ glue dots.
+ glue dots can be placed easily, are good at attaching flat
+ surfaces that directly touch and do not get much stress.])
+ (figure :legend "breadboard to deck / required materials"
+ (image
+ :file "1-breadboard-to-deck/0-required-materials.png"))
+ (p [for this section, we will need the deck with arduino attached,
+ breadboard, and glue dots.])
+ (figure :legend "breadboard to deck / video"
+ (video
+ :file "1-breadboard-to-deck/0-breadboard-to-deck.ogv"))
+ (enumerate
+ (item [take your breadboard out of its bag.])
+ (item [peel the backing.])
+ (item [put the shiny medal plate on the back.])
+ (item [break 4 glue dots away from the rest. put the rest back
+ into the bag.])
+ (item [break off a glue dot from the group of 4, and peel away the
+ backing, exposing a sticky side.])
+ (item [put the glue dot on one corner of the shiny side of the
+ breadboard.
+ make sure to push it down firmly.])
+ (item [repeat for the other corners.])
+ (item [put the breadboard on the center of the deck.
+ position it so the black chip is on the right, and the
+ blue line is up against the arduino.])
+ (item [press firmly in each of the corners.]))
+ (p [check])
+ (enumerate
+ (item [should the black chip be on the right or the left?])
+ (item [how many glue dots should be on the breadboard?])))
+ (section
+ :title [battery attachment]
+ (subsection
+ :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?])))
+ (subsection
+ :title [arduino battery pack attachment]
+ (p [attach the arduino battery pack to the robot deck.])
+ (figure
+ :legend "batteries / placement / arduino pack"
+ (video
+ :file "2-batteries/1-placement/1-arduino-battery-pack.ogv"))
+ (p [next, we will attach the arduino battery pack to the deck.
+ again, the pack could be placed anywhere, but we will
+ place it in the lower right side of the robot.])
+ (enumerate
+ (item [make sure you are placing dots on the side of the battery
+ pack without the on/off switch, just as before.])
+ (item [peel off a glue dot for each end of the pack.])
+ (item [when placing the battery pack, make sure the screw hole
+ aligns with a hole on the deck.]))
+ (p [check])
+ (enumerate
+ (item [why align the screw with a hole on the deck?]))))