2 * make motor assemblies
3 - [ ] put motor mount on right motor
4 - [ ] assemble right motor mount
5 - [ ] locate materials from bag 0a
6 - [ ] 1x motor with wires
8 - [ ] 2x 4-40x1 inch bolt
12 - [ ] 1x socket wrench
13 - [ ] 1x 1/4 inch socket
14 - [ ] 1x stub screw driver
15 - [ ] 5/64 allen wrench (from bag 0a)
16 - [ ] pour bag 0a into magnetic tray
17 - [ ] attach "motor to motor mount"
18 - [ ] watch "0a motor to motor mount"
19 - [ ] orient motor to face motor outline on motor mount,
20 with motor shaft going through mount face's mouth, and
21 motor nub going into mount face's nose
22 - [ ] put 4-40 bolt through right eye of motor mount face,
23 then into motor, so head of bolt sits on motor mount
24 - [ ] finger tighten 4-40 locking nut onto 4-40 bolt,
25 put shiny side down, so nylon part of nut is still visible
26 - [ ] repeat for left eye
27 - [ ] after placing a bolt through each eye, tighten nuts onto both
28 bolts with socket wrench and screw driver
29 - [ ] put angle brackets on motor mount
30 - [ ] locate materials from bag 0a poured into magnetic tray
31 - [ ] 2x angle bracket
32 - [ ] 2x 6-32x3/8 inch bolt
35 - [ ] 5/64 inch hex wrench
36 - [ ] watch "0a angle brackets to motor mount"
37 - [ ] place angle bracket on same side of motor mount as motor, and
38 angle it to go over the motor and not over the motor mount
39 - [ ] put 6-32 bolt through hole on motor mount into angle bracket
40 - [ ] use long arm of hex wrench to spin bolt while bringing angle
41 bracket's hole closer to the bolt. eventually, the bolt will
42 catch on the angle bracket hole and pull it in. tighten only a
43 few turns. the angle bracket will be completly tightened later.
44 - [ ] put wheels on motors
45 - [ ] locate materials from bag 0a poured into magnetic tray
46 - [ ] 1x 2-20x3/8 screw
51 - [ ] stub philip's head screw driver
52 - [ ] watch "0a wheel to motor"
53 - [ ] put hair tie on wheel, it will act as a tire and provide grip
54 - [ ] put wheel on motor shaft
55 - [ ] use stub philips screw driver to tighten 2-20
56 screw into wheel shaft.
57 push wheel firmly into motor shaft while tightening.
58 - [ ] repeat for left motor, with bag 0b instead of 0a
59 - [ ] motor to motor mount
60 - [ ] angle brackets to motor mount
62 * make sonar assemblies
63 - [ ] locate materials
66 - [ ] 2x 6-32 lock nut
67 - [ ] 2x 6-32x5/8 inch bolt
72 - [ ] 5/16 inch socket
74 - [ ] attach binder clip arm to sonar holder
75 - [ ] fold binder clip arms back as if to open binder clip
76 - [ ] put #6 washer on 6-32x5/8 inch bolt
77 - [ ] put bolt through binder clip arm from the inside out
78 so bolt head will be between opened binder clip arms
79 - [ ] put sonar holder onto 6-32 bolt
80 - [ ] finger tighten 6-32 bolt with shiny side toward bolt head
81 - [ ] use socket, socket wrench and hex wrench to tighten
82 - [ ] repeat for other sonar holder
83 - [ ] attach sonars to deck
84 - [ ] attach sonar holders to deck by clamping binder clip to the deck
85 - [ ] put a sonar into left holder with sonar cans facing down,
86 and pins facing right, toward robot center
87 - [ ] repeat for other sonar, but face pins left, toward robot center
88 * attach arduino to deck
89 - [ ] locate materials
93 - [ ] 4x 6-32x5/8 inch bolt
98 - [ ] 5/64 inch hex wrench
102 - [ ] drill 1 hole, put in 1 bolt
103 - [ ] drill second hole, furthest away from first hole, put in 2nd bolt
104 - [ ] drill 2 remaining holes
105 - [ ] loosen first 2 bolts until arduino comes off
106 - [ ] put in all 4 bolts just enough to place spacers on them
107 - [ ] put arduino on top and tighten all but bottom right bolt
108 - [ ] hold locking nut with pliers, shiny side toward arduino, while
109 tightening last bolt into it.
110 * attach caster to deck
111 - [ ] locate materials
112 - [ ] 3x 6-32x5/8 inch bolt
113 - [ ] 3x 6-32 lock nut
120 - [ ] 5/16 inch socket
121 - [ ] 5/64 inch hex wrench
122 - [ ] attach first bolt
123 - [ ] put #6 washer on 6-32 bolt
124 - [ ] put bolt through hole 4,1 on deck grid from top
125 - [ ] bring middle hole of caster holder towards that bolt
126 - [ ] finger tighten a locking nut onto the bolt
127 it will be tightened more after getting all the bolts through the
129 - [ ] put a washer on another bolt, put that bolt through hole
130 4,2 on deck and finger tighten nut to it
131 - [ ] do the same through hole 5,1
132 - [ ] use socket, socket wrench and hex wrench to tighten all 3 bolts
133 * attach wires to motor
134 - [ ] locate materials
136 - [ ] 2x 220mm yellow wire
137 - [ ] 2x 220mm green wire
140 - [ ] electrical tape
144 - [ ] scissors (or wire cutters)
146 - [ ] strip one side of all 4 wires by about 2mm (1/8 inch)
147 - [ ] strip other side of all 4 wires by about 2cm (about 1/2 inch)
148 - [ ] temporarily attach wires to motor
149 - [ ] orient motor such that metal tabs are at the top, facing you
150 - [ ] put green wire's short exposed side through motor's right
152 running wire down towards shaft
153 - [ ] wrap wire around shaft and body to keep it oriented and
154 still during soldering
155 - [ ] do the same for yellow wire, except put wire through
156 motor's left side metal tab
157 - [ ] repeat this process for other motor
158 - [ ] solder wires to tabs using soldering iron and solder
159 - [ ] protect motor's metal tabs in the solder joints
160 - [ ] from electrically connecting to motor's metal band
161 - [ ] cut strip of about 10cm (4 inches) of electrical tape
162 - [ ] slide center of tape under wires, sticky side toward motor.
163 be careful to bend the tabs as little as possible,
164 to prevent them from snapping
165 - [ ] wrap tape around motor
167 - [ ] place a zip tie around the wires and motor on motor's
168 round portion, just under square portion
169 - [ ] put hot glue all over the solder joint and wires to protect
170 from making accidental electrical connections with stray wires,
171 and to hold wires mechanically.
172 * battery solid core wire leads
173 - [ ] locate materials
174 - [ ] 1x black battery pack to power arduino, 9v
175 - [ ] 1x clear battery pack to power motor, 4xAA 6v
176 - [ ] 2x 35mm black stiff (solid core) wire
177 - [ ] 2x 35mm red stiff (solid core) wire
178 - [ ] 2x 35mm black (or clear) heat shrink
179 - [ ] 2x 35mm red (or clear) heat shrink
186 - [ ] prep wires for soldering
187 - [ ] put heat shrink on all battery wires.
188 match heat shrink color to battery lead
189 color (unless heat shrink is clear)
190 - [ ] strip all 4 battery pack leads to about 2cm (1/2 inch)
191 - [ ] strip in really short segments, about 1mm (1/16 inch)
192 - [ ] strip both ends of all stiff wires about 1cm (1/4 inch)
193 - [ ] solder stiff red wire onto clear battery pack red wire
194 - [ ] grip stiff red wire by one helping hand
195 - [ ] grip battery red wire by the other helping hand
196 - [ ] wrap exposed battery wire around exposed stiff wire
197 - [ ] apply heat from soldering iron,
198 melt solder with wires, forming solder joint
199 - [ ] wait for 10 seconds for solder joint to cool
200 - [ ] unclamp wires from helping hands
201 - [ ] solder remaining 3 wires on clear and black battery packs:
203 - [ ] cover solder joints with heat shrink
204 - [ ] slide heat shrink so solder joint is in middle of heat shrink.
205 the purpose of the heat shrink is to keep the solder joint
206 electrically isolated, and to make a strong mechanical connection.
207 - [ ] shrink heat shrink with heat gun, starting at end of
208 wire furthest away from battery pack, working toward battery pack.
209 * attach breadboard and batteries to top of deck
210 - [ ] locate materials
211 - [ ] 1x clear battery pack for powering motors, 4xAA 6v
212 - [ ] 1x black battery pack for powering arduino, 9v
216 - [ ] short stubby philips head screw driver
217 - [ ] attach breadboard
219 - [ ] if breadboard has silvery heat spreader
220 - [ ] remove sticky backing on underside
221 - [ ] place silvery heat spreader on sticky underside of breadboard
222 - [ ] attach sticky dots
223 - [ ] break off 1 glue dot
224 - [ ] peel paper away from clear. glue dot will stick to clear side
225 - [ ] place glue dot by holding clear backing into a corner of the
226 underside of the breadboard. leave clear backing on glue dot.
227 - [ ] press down firmly on clear backing to make sure sticky dot
228 stays stuck to breadboard. still leave clear backing on glue dot.
229 - [ ] repeat this process for all 4 corners of breadboard.
230 - [ ] now that all 4 corners have a sticky dot with clear backing
231 - [ ] remove clear backing from all glue dots
232 - [ ] place breadboard down on deck, just under arduino
233 - [ ] make sure chip is on right
234 - [ ] attach clear battery pack for powering motor, 4xAA 6v
236 - [ ] short stub screw driver
237 - [ ] attach glue dots to all 4 corners
238 - [ ] put short stub philips screw driver through hole 3,2 in deck grid
239 - [ ] place battery pack with screw hold on screw driver
240 - [ ] lower battery pack, using screw driver to make sure battery
241 pack's screw hole lines up with hole 3,2 on the deck
242 - [ ] attach black battery pack for powering arduino, 9v
244 - [ ] short stub screw driver
245 - [ ] attach a glue dot to each end of the black battery pack
246 on the side of the battery pack with a screw and without a
248 - [ ] use short stub screw driver to guide battery pack so battery
249 screw hole lines up with grid hole 6, 1
250 * attach motor assembly to deck
251 - [ ] make motor assemblies
252 - [ ] locate materials
254 - [ ] 4x 6-32x3/8 inch bolt
255 - [ ] 1x left motor assembly
256 - [ ] 1x right motor assembly
259 - [ ] 5/64 inch hex wrench
260 - [ ] attach left motor assembly to left side of robot
261 - [ ] put #6 washer on 6-32 bolt
262 - [ ] put bolt through hole 6,1 on deck
263 - [ ] use long arm of hex wrench to spin bolt tightening (clockwise)
264 while bringing left motor assembly angle bracket towards it.
265 orient assembly so that other angle bracket is on deck grid hole 5,1.
266 leave it a little loose so motor assembly can pivot second bracket
267 to line up with hole 5,1 on deck grid.
268 - [ ] put #6 washer on 6-32 bolt
269 - [ ] put bolt through hole 5,1 on deck
270 - [ ] use long arm of hex wrench to spin bolt tightening (clockwise)
271 while bringing second angle bracket towards it.
272 - [ ] push motor assembly to the left, out from robot center and
273 tighten up all 4 of the 6-32 bolts.
274 pushing out gives the wheel room to spin without rubbing the deck.
275 - [ ] repeat this process with right motor assembly and
projects / challenge-bot / blob