2 ;; copyright info at bottom
9 :title [arduino to deck]
11 :title [required materials]
12 (p [you will need the things in this picture.
13 ,(figure :legend "arduino to deck / required materials"
14 (image :file "arduino-to-deck/0-required-materials.png"))
16 (item [medical kit with bandages])
17 (item [safety goggles])
18 (item [drill bit \(we will determine size in a moment\)])
23 (item [#6-32x3/8\", four of them]))]))
27 :title [choosing drill bit]
28 (p [choosing the right drill bit depends on what job you are doing.
29 right now, we are making holes for screws to hold the
31 this means the hole needs to be big enough for the
32 screw body to fit through.
33 we want the screw to stay put once it's in place.
34 we also want the drill bit to be smaller than the
35 diameter of the thread.
36 the screw was chosen so that the hole on the arduino
37 was bigger than the body and smaller than the thread.
38 we will choose the biggest drill bit that fits through
39 the hole on the arduino.])
40 (p [here's a cross section of a screw in the deck]
41 (figure :legend "screw cross section"
43 "arduino-to-deck/screw-cross-section.png"))))
45 :title [inserting drill bit]
46 (p (figure :legend "arduino to deck / insert bit"
47 (image :file "arduino-to-deck/1-insert-bit.png"))
48 [insert the drill bit into the teeth of the drill.
49 insert it far enough that the teeth will clamp on the
50 smooth part of the bit when they are tightened.])
52 :legend "arduino to deck / twist tighten drill teeth"
53 (image :file "arduino-to-deck/2-twist-tighten-drill-teeth.png"))
54 [while holding the drill bit, twist end of the drill to tighten
56 make sure that the teeth end up gripping the flat part of
59 :title [holding drill]
60 (p [hold the drill with one hand on the handle and trigger.
61 put the other hand on the orange nozzle, before the
62 black spinning part.]))
64 :title [arduino placement]
65 (p [the arduino should be placed as shown in this picture.]
66 (figure :legend "arduino to deck / place arduino"
67 (image :file "arduino-to-deck/3-place-arduino.png")))
69 (figure :legend "arduino to deck / place arduino closeup"
71 "arduino-to-deck/4-place-arduino-closeup.png"))
72 [the picture above shows where to place the arduino on the deck.
73 the arduino should line up with the holes on the deck.
74 this alignment line is highlighted in pink.
75 on the arduino, there's a hole on the top left, between the
76 orange reset button and black headers.
77 the green circle shows where the hole is.
78 the blue box encloses the arduino hole and two deck holes.
79 place the arduino hole mid-way between the two
86 :title [fastening arduino to deck using #6-32x3/8\" screw]
87 (p [the "#6" part of "#6-32x3/8\"" is how big around the bolt is.
88 it is related to wire gauge.
89 bigger numbers mean larger screw.
90 smaller numbers means smaller screws.])
94 [in the motor assembly, there are #4-40x1.25\" screws.
95 are those fatter, thinner, or the same thickness as the
96 #6-32x3/8\" screws?]))])
97 (p [the "32" part is a measurement of how close the threads are to
99 this is related to the angle of the thread, which is also
101 it is a count of how many times the thread wraps around one
102 inch of the screw body.])
103 (p [the head is the flat part where some tool, like the alan
104 wrench, can exert force to spin the screw.])
107 (item [how many times will the thread wrap around one inch of
109 (item [what about 2 inches?
110 how many times will the thread wrap around two
111 inches of the screw body?]))]))
113 :title [fasten the arduino board to the deck]
114 (p [push the 6-32 screw into the deck from the underside and at the
115 same time, spin the 6-32 screw clockwise while looking
117 twist until the bottom of the screw is
118 about to stick out on the top side of the deck.])
119 (p [hold the arduino board flat to the deck and line up the arduino
120 hole so the screw can come up through it.
121 continue tightening the screw into the deck, spinning the same
123 tighten until the screw head touches the deck.
124 do not continue tightening after that.])
125 (p [the arduino should still be flat against the deck still, just
126 as it was before tightening the screw.]))
129 (p [does the arduino stay with the deck when the deck moves?
130 can the arduino board still rotate a few degrees?
131 warning, if you rotate the arduino board too much, you
132 will unscrew it from the deck and you'll have to screw it
134 rotating a few degrees should be ok.]))
136 :title [arduino board move relative to deck]
137 (p [without any screws, the arduino board can move independently of
139 (p [with the first screw, the arduino can rotate around one point
142 :title [second hole and screw])
144 :title [third and fourth hole and screw]))
148 :title [battery packs]
152 :title [deck attachment]))
160 :title [deck attachment]))
170 :title [deck placement]))
174 :title [deck placement])))
176 :title [wiring and software]
180 :title [software on computer]
186 :title [attach arduino and computer via cable])
188 :title [debugging common connection problems])
190 :title [arduino reset button]))
194 :title [breadboard connectivity])
198 :title [arduino headers])
200 :title [sound cm per microsecond at sea level]))
204 :title [breadboard power rail]
205 (p [power rail can provide power to more than one device.])))
209 :title [arduino digital output])
211 :title [quad half h bridge, aka motor controller])
213 :title [motor battery]))
217 :title [analogWrite]))
221 :title [arduino battery])
223 :title [off and on functions]))
227 :title [same wiring as untethered])
233 :title [determining speed]))
235 :title [stay on table]
241 :title [turn around]))))
243 ;; Copyright 2016 daniel watson
245 ;; This file is part of challenge-bot.
247 ;; challenge-bot is free software: you can redistribute it and/or modify
248 ;; it under the terms of the GNU Affero General Public License as
249 ;; published by the Free Software Foundation, either version 3 of the
250 ;; License, or (at your option) any later version.
252 ;; challenge-bot is distributed in the hope that it will be useful,
253 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
254 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
255 ;; GNU Affero General Public License for more details.
257 ;; You should have received a copy of the GNU Affero General Public
258 ;; License along with challenge-bot. If not, see
259 ;; <http://www.gnu.org/licenses/>.
projects / challenge-bot / blob