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There are
many applications for small networks of microcomputers, including
home automation, boats, trucks, and factory floors for process
control and data collection. This project describes the design
and implementation of the Vessel Microcomputer Network (VuN),
a general purpose, low cost system for connecting multiple micros
and transferring data among them. VuN is currently in use on the
author's 36-foot sailboat, where it is used to collect and display
information about fuel and water levels, engine information, GPS
position and track information, and other parameters. Node power
is essentially zero when using MSP series microprocessors, except
during periods of data transmission, when the average current
is about 1.5 mA. In this application the network is idle most
of the time, and it often operates on battery power. There is
no reason why VuN could not be used in applications where low
power is not a requirement.
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Diagram
Glen Worstell
Oklahoma, USA
worstelg@earthlink.net
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