Shimmer Research has added to their sensing range with the addition of a GPS expansion module for the Shimmer platform. The module provides accurate location and global time to sensing applications, along with ambient data via a pressure / temperature sensor integrated onto the GPS daughter-board.
The GPS module maintains the wearable form factor associated with Shimmer, with a small size (53mm x 32mm x 23mm) and light overall weight (32grams). The assembled unit provides an impressive list of sensing capabilities combining Shimmer’s integrated motion sensors (Accelerometer and Tilt/Vibration), with GPS, Temperature, and Barometric pressure sensing.
The module has received robust pre-launch interest from industry and researchers, with the Shimmer GPS already being used for people tracking, sports informatics, and maritime monitoring. Enquiries have also been received in the areas of transport, logistics, defence, and the social sciences with particular attention given to the ability to develop globally synchronized sensing systems via the GPS’s accurate timing capacity.
One of the key features of the module is the provision of raw data, with no proprietary software or predefined analysis parameters. As outlined by Kieran Daly (VP of Business Development) the ‘Shimmer GPS hardware enables researchers to interpret data specific to their application requirements, unlike many end user, domain focused GPS products currently available. For industry, the Shimmer GPS module can be used as the hardware to develop customised commercial solutions with a faster time to market – driving business growth’.
Driver and test application code for the GPS module are available in the TinyOS Sourceforge/Googlecode repositories, with a user manual available to new and existing customers via the download section of the website. Separate drivers provide support for both the GPS and Pressure Sensor modules, and test applications demonstrate the use of both.
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