Coconut Pi
(Image Credit: http://www.cnet.com)
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The
Raspberry Pi and the Arduino were both used n the Coconut Pi, an underwater
robotic vehicle that was developed by Singaporean engineering students. This
shows that the use of the credit card-sized computer is only limited by the
creativity of the people using it.
The
autonomous underwater vehicle or AUV was created by engineering students from
the National University of Singapore. The Raspberry Pi was used for the memory-intensive
functions of the AUV while the Arduino was used for precision control.
Team Coconut
Pi placed third at the 2013 Singapore Autonomous Underwater Vehicle Challenge.
The team was sponsored by RS Components, a reseller of the miniature computer.
The AUV was capable of identifying a following a black line as well as surface
when it detected the yellow-colored floating ring.
A webcam was
used to allow the Coconut Pi to detect obstacles, and the miniature computer
served as the brain of the AUV. It features accelerometers, pressure and flow
sensors, magnetometers, and gyroscopes.
Since the
hull of the Coconut Pi cracked around one week before the competition itself,
the team used a simple Lock & Lock plastic box that cost around $16 to
waterproof the AUV.
Following
the competition, the team did not have any other plans for the Coconut Pi,
which means they will likely disassemble it to use its components for other
upcoming robotic projects. However, it does show that the Raspberry Pi can be
used for just about anything.
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