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   1 * build robot
   2 ** attach arduino to deck
   3 *** TODO: redo video with safety goggles
   4    #+BEGIN_HTML
   5    <iframe width="560" height="315" src="https://www.youtube.com/embed/fCKTvFn4hdU" frameborder="0" allowfullscreen></iframe>
   6    #+END_HTML
   7    [[https://youtu.be/fCKTvFn4hdU][attach arduino to deck video]]
   8 *** keep in mind a few things while drilling holes
   9 **** wear safety goggles
  10 **** don't put new holes near existing holes
  11 **** orient the arduino with usb toward front left corner of deck
  12 **** center arduino left-right wise
  13 **** a little back from the front most to make room to plug in usb
  14 ** attach breadboard to deck
  15    #+BEGIN_HTML
  16    <iframe width="560" height="315" src="https://www.youtube.com/embed/JfFI6C1OLig" frameborder="0" allowfullscreen></iframe>
  17    #+END_HTML
  18    [[https://youtu.be/JfFI6C1OLig][attach breadboard to deck video]]
  19    make sure the blue line is close to the arduino header,
  20    and the h-bridge is to the right
  21 ** build motor assembly
  22 *** solder motor leads
  23 **** TODO: redo video to include electrical taping under wires
  24     #+BEGIN_HTML
  25     <iframe width="560" height="315" src="https://www.youtube.com/embed/tcC-Al8zxlM" frameborder="0" allowfullscreen></iframe>
  26     #+END_HTML
  27     [[https://youtu.be/tcC-Al8zxlM][solder motor leads video]]
  28 **** put electrical tape under wires (not shown in video)
  29 **** zip tie wires to motor body
  30 *** test the motor lead soldering
  31     #+BEGIN_HTML
  32     <iframe width="560" height="315" src="https://www.youtube.com/embed/HPwlmW3UkqQ" frameborder="0" allowfullscreen></iframe>
  33     #+END_HTML
  34     [[https://youtu.be/HPwlmW3UkqQ][motor test video]]
  35 *** attach motor to motor mount
  36     #+BEGIN_HTML
  37     <iframe width="560" height="315" src="https://www.youtube.com/embed/Tgndz5hH8tU" frameborder="0" allowfullscreen></iframe>
  38     #+END_HTML
  39     [[https://youtu.be/Tgndz5hH8tU][motor to motor mount video]]
  40 ** attach motor assembly to deck
  41    #+BEGIN_HTML
  42    <iframe width="560" height="315" src="https://www.youtube.com/embed/4JT3nX-__eI" frameborder="0" allowfullscreen></iframe>
  43    #+END_HTML
  44    [[https://youtu.be/Tgndz5hH8tU][motor mount to deck video]]
  45 ** attach caster to deck
  46    #+BEGIN_HTML
  47    <iframe width="560" height="315" src="https://www.youtube.com/embed/BogX2-5BYLQ" frameborder="0" allowfullscreen></iframe>
  48    #+END_HTML
  49    [[https://youtu.be/BogX2-5BYLQ][attach caster to deck video]]
  50 ** attach wheel to motor
  51    #+BEGIN_HTML
  52    <iframe width="560" height="315" src="https://www.youtube.com/embed/jq2YKoxc46M" frameborder="0" allowfullscreen></iframe>
  53    #+END_HTML
  54    [[https://youtu.be/jq2YKoxc46M][attach wheel to motor video]]
  55 ** solder solid core wire to battery pack leads
  56    #+BEGIN_HTML
  57    <iframe width="560" height="315" src="https://www.youtube.com/embed/Zuj5s_G_Rq4" frameborder="0" allowfullscreen></iframe>
  58    #+END_HTML
  59    [[https://youtu.be.com/Zuj5s_G_Rq4][battery wire leads video]]
  60 ** attach the battery packs to the deck
  61    #+BEGIN_HTML
  62    <iframe width="560" height="315" src="https://www.youtube.com/embed/I9E-8ism_Es" frameborder="0" allowfullscreen></iframe>
  63    #+END_HTML
  64    [[https://youtu.be.com/I9E-8ism_Es][attach battery packs to deck video]]
  65 *** attach 4xAA battery pack to deck
  66 *** attach 9v battery to deck
  67 ** attach sonar to deck
  68    #+BEGIN_HTML
  69    <iframe width="560" height="315" src="https://www.youtube.com/embed/5PPpd3P8G8Q" frameborder="0" allowfullscreen></iframe>
  70    #+END_HTML
  71    [[https://youtu.be.com/5PPpd3P8G8Q][attach sonar to deck video]]
  72 * wire & program robot
  73 ** make the arduino blink
  74    #+BEGIN_HTML
  75    <iframe width="560" height="315" src="https://www.youtube.com/embed/EOPU1hPpqXI" frameborder="0" allowfullscreen></iframe>
  76    #+END_HTML
  77    [[https://youtu.be.com/EOPU1hPpqXI][make arduino blink video]]
  78 *** troubleshooting
  79     if your arduino doesn't blink, make sure you have the right
  80     board and port selected
  81    #+BEGIN_HTML
  82    <iframe width="560" height="315" src="https://www.youtube.com/embed/msfuZ8UldFA" frameborder="0" allowfullscreen></iframe>
  83    #+END_HTML
  84    [[https://youtu.be.com/msfuZ8UldFA][arduino pick board and port settings video]]
  85 ** set up arduino sketchbook
  86    you can set arduino's default location to look for libraries
  87    #+BEGIN_HTML
  88    <iframe width="560" height="315" src="https://www.youtube.com/embed/Torsycgv5Ag" frameborder="0" allowfullscreen></iframe>
  89    #+END_HTML
  90    [[https://youtu.be.com/Torsycgv5Ag][arduino sketchbook location setting video]]
  91 ** arduino serial communication with computer
  92    #+BEGIN_HTML
  93    <iframe width="560" height="315" src="https://www.youtube.com/embed/gy9ef4aaNfw" frameborder="0" allowfullscreen></iframe>
  94    #+END_HTML
  95    [[https://youtu.be.com/gy9ef4aaNfw][arduino serial communication video]]
  96 ** left sonar
  97    #+BEGIN_HTML
  98    <iframe width="560" height="315" src="https://www.youtube.com/embed/wqRsIbiNaWY" frameborder="0" allowfullscreen></iframe>
  99    #+END_HTML
 100    [[https://youtu.be.com/wqRsIbiNaWY][hook up left sonar video]]
 101 *** wire up left sonar
 102 *** test left sonar
 103 *** troubleshooting continuity
 104     here's how to identify exactly where the problem is, if the
 105     sonar doesn't work correctly.
 106 **** TODO: make new video with sonar cable instead of individual sonar wires
 107    #+BEGIN_HTML
 108    <iframe width="560" height="315" src="https://www.youtube.com/embed/QRTVVxo6Q00" frameborder="0" allowfullscreen></iframe>
 109    #+END_HTML
 110    [[https://youtu.be.com/QRTVVxo6Q00][troubleshooting continuity video]]
 111 ** both sonars
 112    #+BEGIN_HTML
 113    <iframe width="560" height="315" src="https://www.youtube.com/embed/qitvbDJVe0o" frameborder="0" allowfullscreen></iframe>
 114    #+END_HTML
 115    [[https://youtu.be.com/qitvbDJVe0o][both sonars video]]
 116 *** wire up right sonar
 117 *** test both sonars
 118 ** left motor
 119    #+BEGIN_HTML
 120    <iframe width="560" height="315" src="https://www.youtube.com/embed/NpH8WCneN4g" frameborder="0" allowfullscreen></iframe>
 121    #+END_HTML
 122    [[https://youtu.be.com/NpH8WCneN4g][left motor video]]
 123 *** wire up left motor
 124 *** test left motor
 125 ** both motors
 126    #+BEGIN_HTML
 127    <iframe width="560" height="315" src="https://www.youtube.com/embed/YBmu9ioP4bw" frameborder="0" allowfullscreen></iframe>
 128    #+END_HTML
 129    [[https://youtu.be.com/YBmu9ioP4bw][both motors video]]
 130 *** wire up right motor
 131 *** test both motors
 132 ** untethered robot
 133    #+BEGIN_HTML
 134    <iframe width="560" height="315" src="https://www.youtube.com/embed/7wVVx8pjqdY" frameborder="0" allowfullscreen></iframe>
 135    #+END_HTML
 136    [[https://youtu.be.com/7wVVx8pjqdY][untethered robot video]]
 137 *** wire up 9v battery pack
 138 *** unplug usb from arduino
 139 *** turn on both battery packs
 140 ** follow
 141    #+BEGIN_HTML
 142    <iframe width="560" height="315" src="https://www.youtube.com/embed/oL6qntiHEEA" frameborder="0" allowfullscreen></iframe>
 143    #+END_HTML
 144    [[https://youtu.be.com/oL6qntiHEEA][follow video]]
 145 ** stay on table
 146    #+BEGIN_HTML
 147    <iframe width="560" height="315" src="https://www.youtube.com/embed/xMGoUElyPzg" frameborder="0" allowfullscreen></iframe>
 148    #+END_HTML
 149    [[https://youtu.be.com/xMGoUElyPzg][stay on table video]]
 150 * TODO: don't say "so now" at the beginning of every video
 151 * TODO: say title of video as first words