Introduction to Wireless Sensor Networks Ten-Hwang Lai Ohio State University
A Sensor Node Memory (Application) Processor Actuator Network Sensor Interface Sensor Actuator
Berkeley Mote: a sensor device prototype Atmel ATMEGA103 4 Mhz 8-bit CPU 128KB Instruction Memory 4KB RAM RFM TR1000 radio 50 kb/s Network programming 51-pin connector
Berkeley DOT Mote Atmel AVR 8535 Low power radio Power consumption 4MHz 8KB of Memory 0.5KB of RAM Low power radio Power consumption Active 5mA Standby 5μA
Berkeley Smart Dust bi-directional communications sensor: acceleration and ambient light 11.7 mm3 total circumscribed volume 4.8 mm3 total displaced volume
Tightly-Coupled Sensor Array
Artificial Retina
Smart Clothing & Wearable Computing Smart Underwear Smart Eyeglasses Smart Shoes …
Speckled Computing 愛丁堡大學(University of Edinburgh)科學家即將研發出大小跟灰塵差不多的超微型晶片, 這些晶片可以分散或噴灑到物體上彼此溝通、傳遞資訊。 這種名為斑點運算(speckled computing)的技術可望在三年內成為事實。 將晶片噴到患者的衣物上, 可監控其心跳 、呼吸與體溫。 Source: Silicon Glen R&D Update, April, 2003