[what would happen if the drill were twisted sideways while
the drill bit were in the wood?]))]))
(subsubsection
- :title [drilling screw hole]
+ :title [drilling the first screw hole]
(itemize
(item [place the drill bit in position])
(item [bring the drill up to full speed, and keep it full speed])
:title [fastening arduino to deck using #6-32x3/8\" screw]
(p [the "#6" part of "#6-32x3/8\"" is how big around the bolt is.
it is related to wire gauge.
- bigger numbers mean larger screw.
+ bigger numbers mean larger screws.
smaller numbers means smaller screws.]
(figure :legend "arduino to deck / #6-32 screw"
(image :file
[in the motor assembly, there are #4-40x1.25\" screws.
are those fatter, thinner, or the same thickness as the
#6-32x3/8\" screws?]))])
- (p [the "32" part is a measurement of how close the threads are to
- each other.
+ (p [the "32" part of "#6-32x3/8\"" 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 pitch.
it is a count of how many times the thread wraps around one
the screw body?])
(item [what about 2 inches?
how many times will the thread wrap around two
- inches of the screw body?]))]))
+ inches of the screw body?])
+ (item [where can a tool exert turning force on
+ the screw?]))]))
(subsubsection
:title [fasten the arduino board to the deck]
(p [push the 6-32 screw into the deck from the underside and at the