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Remote motion control gets Zigbee-enabled

Posted: 07 Oct 2009 ?? ?Print Version ?Bookmark and Share

Keywords:wireless? remote control? sensor? Zigbee?

MotionBee platform

STMicroelectronics introduces MotionBee, a complete, ready-for-use platform that combines motion sensing with Zigbee wireless technology in a single ultracompact module. Claiming low power consumption and high level of integration, the platform enables system developers to quickly and cost-effectively build wireless sensor networks for remote motion recognition and tracking in many different application areas, including health care, security, industrial control and environmental monitoring.

The first-generation MotionBee module integrates ST's market-proven 3-axis digital-output MEMS accelerometer with a Zigbee platform from Ember Corp. that includes the EM250 SoC, a 2.4GHz, IEEE 802.15.4-compliant radio transceiver and processor, together with the EmberZNet PRO Zigbee networking software. The module detects accelerations in the selectable range of 2g and 6g and transmits the information to a central connection point (star topology) or every other node (mesh topology) in a Zigbee wireless network. The module is fully programmable and its small size (49mm x 27mm x 5mm) makes the deployment easier, such as in wearable medical or sports equipment.

Addressing specifically the requirements of remote sensing and control systems, Zigbee technology enables the implementation of broad-based wireless mesh networks that are able to run for months on inexpensive primary batteries, representing a viable alternative to costly hard-wired systems. The first-generation MotionBee modules are optimized for designs that require long battery life, a low external component count, and a reliable, proven, industry-standard networking solution.

ST's complete and cost-effective remote motion control platform enables wireless sensor networks in a variety of existing and emerging applications, such as vibration monitoring and detection in different indoor and outdoor environments, automated navigation systems, or bio-sensor networks in remote-health care scenarios.

ST's first MotionBee device, the SPMB250-A1, is available now, with samples priced at $60. An evaluation kit is also available, with two pre-programmed modules and a Zigbee dongle for integration with a PC.

For application notes on wireless sensors click here.





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