(subsection
:title [arduino placement])
(subsection
- :title [first hole and screw]
+ :title [first hole]
(subsubsection
:title [choosing drill bit])
(subsubsection
(subsubsection
:title [holding drill])
(subsubsection
- :title [drilling])
+ :title [drilling]))
+ (subsection
+ :title [first screw]
(subsubsection
- :title [6-32 by 3/8\" screw]
- (p [the "6" part is how big around it is.])
- (p [the "32" part is how close the threads are to each other.])
- (p [the "head" is the flat part where some tool, like the alan
- wrench, can exert force to spin the screw.]))
+ :title [fastening arduino to deck using ,(it [#6-32x3/8\"]) screw]
+ (p [the ",(it [#6])" part of ",(it [#6-32x3/8\"])" is how big
+ around the bolt is. it is related to wire gauge. bigger
+ numbers mean larger screw. smaller numbers means smaller
+ screws.])
+ (p [,(bold [check])
+ ,(itemize
+ (item
+ [in the motor assembly, there are ,(it [#4-40x1.25\"])
+ screws. are those fatter, thinner, or the same
+ thickness as the ,(it [#6-32x3/8\"]) screws?]))])
+ (p [the ,(it [32]) part is a measurement of how close the threads
+ are to each other. this is related to the angle of the
+ thread, which is also called ,(it [pitch]). it is a count
+ of how many times the thread wraps around one inch of the
+ screw body.])
+ (p [the ,(it [head]) is the flat part where some tool, like the
+ alan wrench, can exert force to spin the screw.])
+ (p [,(bold [check])
+ ,(itemize
+ (item [how many times will the thread wrap around the
+ one inch of the screw body?])
+ (item [what about 2 inches?]))]))
(subsubsection
:title [fasten the arduino board to the deck]
(p [push the 6-32 screw into the deck from the underside and at the