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    Powerpoint presentation Powerpoint presentation Presentation Transcript

    •  
      • A mote is a small wireless hardware platform, similar to a computer.
      • It has its own processor, flash memory, sram, and serial flash memory.
      • Many motes together make a Wireless Sensor Network (WSN)
      • In WSNs motes form a network by communicating, listening and transmitting information to and from each other and a base station mote.
      • A mote can be programmed to sense light, temperature, magnetism, acceleration, and sound with an attached sensor board.
      • There are many different type of motes
      • The motes used were Mica 2 ’s.
      • Mica 2 motes are the fifth generation of motes made by University of California, Berkley and Intel, released in 2003 .
      • They have a 7 mhz processor, 128 kb programmable flash memory, 4 kb Static RAM for storing data and variables.
      • There are two ways to program motes
      • The more common way is to attach the mote to a programming board which is connected via ethernet cable or serial port.
      • The second way is Over The Air Programming(OTAP). To OTAP a mote, OTAP must be enabled when programming an attached mote with a seperate program.
      • Deploy a WSN using Mica 2 motes.
      • Motes in the WSN must be programmable over the air(OTAP). Meaning a user can select a mote to program and program it while it is deployed.
      • Program motes to send less often.
      • Program motes to send less information.
      • Mote-View
      • MoteConfig
      • Programmers Notepad
      • Lantronix Device Installer
      • Xserve
      • PostgreSQL
      • Graphical User Interface for WSNs
      • Provides visualization and analysis of sensor data
      • Provides database management
      • MoteConfig – is a tool to program the motes. It provides the ability to program motes over the air and motes that are attached to the programming board.
      • Programmers Notepad – a robust IDE for many languages, however NesC for TinyOS is what is used to program motes.
      • Lantronix Device Installer – is a program to manually assign IP addresses to the MIB 600 ethernet programming boards.
      • Xserve – is a data logging utility that posts to a PostgreSQL database.
      • PostgreSQL – An SQL database. Can be stored locally or over a LAN or online.
      • Long learning curve.
      • Hardware is very unreliable.
      • Software is very unreliable.
      • Documentation provided is bad.
      • NesC proficiency is needed to understand what the code does
      • Learn the ins-and-outs of all aforementioned tools.
      • Overcoming software and hardware errors with no troubleshooting documentation.
      • The hardware is not consistent
      • - The programming boards and motes act differently between different hardware setups.
      • - Power supplies for motes are inconsistent at best
      • Mote-View would have random software errors
      • MoteConfig would cause memory leak.
      • Xsniffer – never worked.
      • Device Installer was a whole version behind the newest available for download
      • OTAP would not work until Mote-View was updated to 1.4 revision B.
      • Tutorials were not in-depth enough, and lacked detail
      • User manuals were more tutorials
      • No troubleshooting in user manuals
      • No established community information provided.
      • The “magical” router, a spare D-link router we had, worked. It worked regardless of setup or system.
      • OTAPing never worked when two ore more programming boards are connected to the same network
      • MoteConfig does not clear memory.
      • Deploy a WSN using Mica 2 motes.
      • Motes in the WSN must be programmable over the air(OTAP).
      • Program motes to send less often.
      • Program motes to send less information.
      • All achieved.
      • A quick demo
      • Then Q&A