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New G-Node mote announced

February 22nd, 2010

SOWNet Technologies has been using TinyOS in production for a while now, and they’ve just released a new development platform, the G-Node. It has a CC1101 radio (868 MHz) and an MSP430F2418 microcontroller. The platform isn’t in the TinyOS repository, but they have put together quite a nice development kit which includes a complete TinyOS 2.0 toolchain.

Together with the Technical University of Delft, they’ve also designed a modular test bed with sensor emulation: each test bed unit consists of a mini-PC with an I/O board with dedicated SPI/I2C/UART/ADC connections for up to four nodes.

You can find more information here.

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Contiki 2.4 Released

February 17th, 2010

The Contiki team is proud to announce the release of version 2.4 of the Contiki operating system! Contiki 2.4 brings a number of new improvements over previous versions, several bugfixes, and an overall improved stability of the system. The low-power wireless MAC protocols have gotten an overhaul, improving power-efficiency and improved collision and interference handling. The COOJA/MSPsim simulation environment has received a significant speedup. Two new experimental platforms are included: the Crossbow MicaZ and the Sensinode CC2430/8051 platform. Many improvements and bugfixes has been made to the uIP code as well as the SICSlowpan implementaion of 6lowpan IPv6-over-802.15.4. See the changelog for full details and go to the download section to download the 2.4 release!

For more information click here

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HotEMNETS 2010- Deadline extended

February 17th, 2010

The Sixth Workshop on Hot Topics in Embedded Networked Sensors (HotEmNets 2010) brings together wireless sensor network researchers from academic and industrial backgrounds to present groundbreaking results that will shed light on present and future research challenges.

Due to numerous request, the paper deadline has been extended.
New deadline: 1 March 2010.

For more information go to the workshop website

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6LoWPAN seminar video

February 17th, 2010

The seminar gave a good overview of 6LoWPAN and the general contents of the book “6LoWPAN: The Wireless Embedded Internet“, covering about half of the course material slides and lasts for 80 minutes. Enjoy!
6LoWPAN Seminar Video (80 minutes, MP4) Recorded 6.12.2009

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HP and Shell develop wireless sensing system for oil exploration

February 16th, 2010

Hewlett Packard and Shell have agreed to develop a wireless sensing system that will be used to acquire high-resolution seismic data for the oil and gas industry.

According to Cliff Saran of ComputerWeekly, the two corporations are in the process of designing wireless accelerometer sensors, similar to the controllers used in the Nintendo Wii, but a “thousand times more accurate.”

The sensors are apparently based on microelectromechanical devices (Mems), which were originally developed for HP print heads.

“These Mems devices have been developed to take electrical signals and convert them to ink droplets,” HP spokesperson Rich Duncombe told Computer Weekly.

More info here.

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WSN and wireless chicken study

February 15th, 2010

A one-page paper announcing that wireless technology is for the birds. Or at least the chickens. Michigan State University has plucked a $375,000 federal grant to study the habits of commercial egg-laying hens by using wireless sensors to track “activity profiles.” That’s academic speak for how the hens pass the time when not laying eggs, cackling or playing coy with roosters.

The U.S. Department of Agriculture is paying researchers to hook up chickens with a “hen-mountable wireless system” to study how they interact with other birds. The work will help the farmers know how much space hens need and what types of “non-cage housing systems” will provide the “best possible welfare for the animals,” according to MSU.

“Ultimately, the sensors will tell us what behavior a hen is performing. Is she laying an egg? Eating? Or roosting on a perch? Does she fly or walk to move around?” Janice Siegford, a professor of animal science at MSU, said in a statement.

More info here.

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Submit your Sensors

February 11th, 2010

Two former founders of MaxStream Inc, the leading embedded wireless networking company acquired by Digi International in 2006, are taking a unique approach to bringing wireless sensor products to market. Brad Walters and Nick Mecham have partnered at Monnit Corporation, to invite engineers desiring to introduce wireless sensors to collaborate with them through a web-based program called “Submit your Sensors.”

This initiative provides deep marketing resources to engineers who have viable low-cost sensor technology ready for introduction to the market.

“During our time at MaxStream, we were approached by many of our wireless customers requesting sensor technology – but that wasn’t our business at the time,” said Brad Walters, Monnit’s CEO.  “While selling our wireless technology, we met with many creators of custom sensors that had never considered expanding their offering beyond their niche market focus. As we launch Monnit, our intent with ‘Submit Your Sensors’ is to do just that – invite engineers who have developed unique sensor technology to allow us to review and potentially sell their wireless sensor technology to a larger audience through us and our growing networks.”

The “Submit Your Sensors” website is a portal for design engineers to present their sensors for review by answering a few questions.  If the wireless sensor technology seems to fit the Monnit plan, they will be contacted to further discuss working together towards an agreement.

The website is accessible here.

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World’s Smallest Solar Powered Sensor

February 11th, 2010

Researchers at the University of Michigan have developed a tiny solar powered sensor – 1,000 times smaller than comparable commercial counterparts.

The system’s processor, solar cells, and battery are all contained in a frame measuring 2.5 x  3.5 x 1mm.  The system contains the ARM Cortex-M3 processor,  which uses about 2,000 times less power in sleep mode than its most energy-efficient counterpart on the market today.

According to electrical and computer engineering professor David Blaauw, the system can run nearly perpetually if periodically exposed to reasonable lighting conditions, even indoors and the only limiting factor is the life of the battery.

More info here.

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WSN Programming Tutorial at CPSWEEK 2010

February 10th, 2010

Another edition of the WSN Programming Tutorial will be presented in Stockholm as part of the CPS Week on April 12-16, 2010. This gathering will bring together five leading conferences and interrelated scientific communities, check the following links for the specific events HSCC, ICCPS, IPSN, LCTES, and RTAS.

More info here

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SenSys Comes to Europe

February 9th, 2010

SenSys, the flagship conference of sensor networks, is coming to Europe for the first time. Zurich is an amazing city to visit (and the beautiful campus of ETH Zurich is not so far from the lively city life). Try submitting your best works to SenSys this year!

The call for papers can be found here and is also appended below.

[more...]

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