A 15 -- 15 mm, 1 μA, reliable sensor-net module: enabling application-specific nodes

Authors:
Shunzo Yamashita;Takanori Shimura;Kiyoshi Aiki;Koji Ara;Yuji Ogata;Isamu Shimokawa;Takeshi Tanaka;Hiroyuki Kuriyama;Kazuyuki Shimada;Kazuo Yano
Affiliations:
Hitachi Ltd., Tokyo, Japan;Hitachi Ltd., Tokyo, Japan;Hitachi Ltd., Tokyo, Japan;Hitachi Ltd., Tokyo, Japan;Hitachi Ltd., Tokyo, Japan;Hitachi Ltd., Tokyo, Japan;Hitachi Ltd., Tokyo, Japan;Hitachi Ltd., Tokyo, Japan;Hitachi Ltd., Tokyo, Japan;Hitachi Ltd., Tokyo, Japan
Venue:
Proceedings of the 5th international conference on Information processing in sensor networks
Year:
2006

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Abstract

An ultra-small, low-power sensor-net module called ZN1 is developed. ZN1 integrates MCU, ZigBee RF into an ultra-small 15 -- 15-mm module with an ultra-low standby current less than 1 μA. The and highly reliable operation for more than 15 years of the ZN1 enable low-cost practical application-specific sensor nodes for HVAC, structure monitoring, office management, security, medicine, and healthcare. We describe architecture and technologies for developing the ZN1 module. Moreover, we demonstrate two applications that we developed simultaneously: food sanitation and home healthcare. We also show results of the ZN1 module evaluation and discuss reliability of the ZN1.