* build robot
** attach arduino to deck
*** TODO: redo video with safety goggles
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[[https://youtu.be/fCKTvFn4hdU][attach arduino to deck video]]
*** keep in mind a few things while drilling holes
**** wear safety goggles
**** don't put new holes near existing holes
**** orient the arduino with usb toward front left corner of deck
**** center arduino left-right wise
**** a little back from the front most to make room to plug in usb
** attach breadboard to deck
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[[https://youtu.be/JfFI6C1OLig][attach breadboard to deck video]]
make sure the blue line is close to the arduino header,
and the h-bridge is to the right
** build motor assembly
*** solder motor leads
**** TODO: redo video to include electrical taping under wires
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[[https://youtu.be/tcC-Al8zxlM][solder motor leads video]]
**** put electrical tape under wires (not shown in video)
**** zip tie wires to motor body
*** test the motor lead soldering
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[[https://youtu.be/HPwlmW3UkqQ][motor test video]]
*** attach motor to motor mount
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[[https://youtu.be/Tgndz5hH8tU][motor to motor mount video]]
** attach motor assembly to deck
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[[https://youtu.be/Tgndz5hH8tU][motor mount to deck video]]
** attach caster to deck
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[[https://youtu.be/BogX2-5BYLQ][attach caster to deck video]]
** attach wheel to motor
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[[https://youtu.be/jq2YKoxc46M][attach wheel to motor video]]
** solder solid core wire to battery pack leads
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[[https://youtu.be.com/Zuj5s_G_Rq4][battery wire leads video]]
** attach the battery packs to the deck
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[[https://youtu.be.com/I9E-8ism_Es][attach battery packs to deck video]]
*** attach 4xAA battery pack to deck
*** attach 9v battery to deck
** attach sonar to deck
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[[https://youtu.be.com/5PPpd3P8G8Q][attach sonar to deck video]]
* wire & program robot
** make the arduino blink
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[[https://youtu.be.com/EOPU1hPpqXI][make arduino blink video]]
*** troubleshooting
if your arduino doesn't blink, make sure you have the right
board and port selected
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[[https://youtu.be.com/msfuZ8UldFA][arduino pick board and port settings video]]
** set up arduino sketchbook
you can set arduino's default location to look for libraries
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[[https://youtu.be.com/Torsycgv5Ag][arduino sketchbook location setting video]]
** arduino serial communication with computer
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[[https://youtu.be.com/gy9ef4aaNfw][arduino serial communication video]]
** left sonar
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[[https://youtu.be.com/wqRsIbiNaWY][hook up left sonar video]]
*** wire up left sonar
*** test left sonar
*** troubleshooting continuity
here's how to identify exactly where the problem is, if the
sonar doesn't work correctly.
**** TODO: make new video with sonar cable instead of individual sonar wires
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[[https://youtu.be.com/QRTVVxo6Q00][troubleshooting continuity video]]
** both sonars
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[[https://youtu.be.com/qitvbDJVe0o][both sonars video]]
*** wire up right sonar
*** test both sonars
** left motor
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[[https://youtu.be.com/NpH8WCneN4g][left motor video]]
*** wire up left motor
*** test left motor
** both motors
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[[https://youtu.be.com/YBmu9ioP4bw][both motors video]]
*** wire up right motor
*** test both motors
** untethered robot
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[[https://youtu.be.com/7wVVx8pjqdY][untethered robot video]]
*** wire up 9v battery pack
*** unplug usb from arduino
*** turn on both battery packs
** follow
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[[https://youtu.be.com/oL6qntiHEEA][follow video]]
** stay on table
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[[https://youtu.be.com/xMGoUElyPzg][stay on table video]]
* TODO: don't say "so now" at the beginning of every video
* TODO: say title of video as first words