Communications of the ACM
System architecture directions for networked sensors
ASPLOS IX Proceedings of the ninth international conference on Architectural support for programming languages and operating systems
Wireless sensor networks for habitat monitoring
WSNA '02 Proceedings of the 1st ACM international workshop on Wireless sensor networks and applications
TiltType: accelerometer-supported text entry for very small devices
Proceedings of the 15th annual ACM symposium on User interface software and technology
The Personal Server: Changing the Way We Think about Ubiquitous Computing
UbiComp '02 Proceedings of the 4th international conference on Ubiquitous Computing
WearNET: A Distributed Multi-sensor System for Context Aware Wearables
UbiComp '02 Proceedings of the 4th international conference on Ubiquitous Computing
What Shall We Teach Our Pants?
ISWC '00 Proceedings of the 4th IEEE International Symposium on Wearable Computers
Sensing and Modeling Human Networks using the Sociometer
ISWC '03 Proceedings of the 7th IEEE International Symposium on Wearable Computers
The platforms enabling wireless sensor networks
Communications of the ACM - Wireless sensor networks
Sensor network-based countersniper system
SenSys '04 Proceedings of the 2nd international conference on Embedded networked sensor systems
Vineyard Computing: Sensor Networks in Agricultural Production
IEEE Pervasive Computing
RFID enhances visitors' museum experience at the Exploratorium
Communications of the ACM - Special issue: RFID
Design and experimental analysis of continuous location tracking techniques for Wizard of Oz testing
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Indoor wayfinding:: developing a functional interface for individuals with cognitive impairments
Proceedings of the 8th international ACM SIGACCESS conference on Computers and accessibility
Longitudinal study of a building-scale RFID ecosystem
Proceedings of the 7th international conference on Mobile systems, applications, and services
Rethinking RFID: awareness and control for interaction with RFID systems
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
EUC'07 Proceedings of the 2007 conference on Emerging direction in embedded and ubiquitous computing
Mobile context inference using low-cost sensors
LoCA'05 Proceedings of the First international conference on Location- and Context-Awareness
Proceedings of the 6th Euro American Conference on Telematics and Information Systems
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Ubiquitous computing applications often use a user's context to automatically adjust their behavior to the situation. We have developed three types of wireless sensor nodes that can be worn, carried, or embedded in the environment that can provide interesting contextual information: a rich multi-sensor node to infer human activity that can be worn by a person or be part of a sensing environment, a portable wireless node for reading and writing short-range radio-frequency identification (RFID) tags, and a small wrist-watch-sized wireless display device that can serve as an easily accessible and 'glanceable' user interface. We report on our experiences in building these platforms and using them in some initial applications. We conclude with suggestions for future work in creating platforms that help blend sensor networks into ubiquitous computing.