wind and solar communications node
DESCRIPTION
An inexpensive communications network that brings internet connectivity to remote locations. Nodes are powered by a home-built wind turbine and a solar panel which enables Wi-Fi and VOIP connectivity.TRANSCRIPT
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Daniel Lampie
David Brenner
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LocationActual Project
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How it Works
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Electronics
• Wi-Fi Router
• Charge Controller
• Power Meter
• Batteries
• VOIP
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Charge Controller
Prevents the batteries from over charging
Once the voltage across the batteries hits a
set level (13.7v), power is sent to a set of
power resistors until the voltage drops
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Power Meter Monitors current flow to batteries and sends
data to a remote server
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Power Meter
Web Site makes it easy to view power data
Website Server Code
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Wireless
¼ Mile Link
• Utilizes Wi-Fi Based Equipment
• Inexpensive
• High Performance
• Uses two Linksys WRT54G Wi-Fi Routers
• Uses DDWRT Firmware for more flexibility
• One in AP Mode with 8dBi Panel Antenna
• One in Repeater Mode with 19dBi Parabolic Antenna
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VOIP
Enables Free Voice Calling Allows the communication node to become a wireless phone booth
Utilizes Google Voice for free incoming calls
VOIP ServerVOIP to Analog
Phone Adapter
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Innovative Applications
Third World Rural Locations
Extend Internet connectivity from
urban areas to rural areas
Connect villages together
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Innovative Applications
National Parks Provides up-to-date weather and trail information
Many parks do not provide reliable cell phone coverage
Hiking fatalities can be prevented by alerting hikers of potential trail and weather danger
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Innovative Applications
Disaster Recovery Quickly deployable and inexpensive communications
network
Self sustainable –> no need for diesel generators or any other infrastructure that could have been destroyed
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Team Work
Key to Project’s Success
Dan is very knowledgeable of wireless
communications and networking
Dave is knowledgeable of embedded and high-
level programming for the microcontroller and
server
Worked together extensively to solve the
mechanical and electrical aspects of the project
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Q & A