- :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 #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.
+ smaller numbers means smaller screws.])
+ (p [check
+ ,(itemize
+ (item
+ [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.
+ 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
+ inch of the screw body.])
+ (p [the head is the flat part where some tool, like the alan
+ wrench, can exert force to spin the screw.])
+ (p [check
+ ,(itemize
+ (item [how many times will the thread wrap around one inch of
+ the screw body?])
+ (item [what about 2 inches?
+ how many times will the thread wrap around two
+ inches of the screw body?]))]))