(section
:title [sonars]))
(chapter
- :title [wiring and software]))
+ :title [wiring and software]
+ (section
+ :title [serial])
+ (section
+ :title [left sonar])
+ (section
+ :title [both sonars])
+ (section
+ :title [left motor])
+ (section
+ :title [both motors])
+ (section
+ :title [untethered])
+ (section
+ :title [follow])
+ (section
+ :title [stay on table])))
;; Copyright 2016 daniel watson