Low-cost Field Server NARO National Agriculture and Food Research Organization Masayuki HIRAFUJI Haoming Hu

Field Server Sensor Network Web Server Wi-Fi or Cellar-phone Sensors Camera LED Lighting Solar-cell

Towards 100USD Field Server Panasonic: $5,000-10,000 elab experience: $2,000 – 4,000

Advanced Field Server

A Prototype of Advanced Field Server 24ch sensors Solar cells LED Projector Single-lens reflex digital camera Servo Mesh-network router board Face-recognition board Internet radio board FON router

An Advanced Field Server with 9 Cameras Surveillance against Unlawful Dumping

With a Infra-red Camera and a High Resolution Camera (Single-Lens Reflex Digital Camera)

A Image of a High Resolution Camera (EOS Kiss digital N)

Parts of The Image

Low-cost Field Server

Fundamental Architecture Stable, Rugged and Durable Connected by Ethernet & Wi-Fi Easy to control on Windows and Linux Constituted by Web Devices Each devices in a Field Server functions as a Web server. Minimum hardware and software The Agent system and applications on a remote PC provide rich services.

Essential Elements of Field Server Case Field Server Engine Wi-Fi Router Network Camera Sensors LED Lighting

1.H8/3069 CPU 2.1M bit SRAM 3.24bit resolution A/D converter (16ch) 4.Direct Digital Synthesizer 5.Power photo MOS relay(2ch) 6.DC-DC converter (in 4-34V, out 5V) 7.Real-time clock 8.Battery backup Field Server Engine $300 $30 1.H8/3069 CPU 2.1M bit SRAM DC-DC converter (in 4-34V, out 5V) 7. 8.

1.Mesh-network 2.WDS (Wireless Distribution System) 3.Wi-Fi/Ethernet Media Converter (Access Point, Client) Types of Wi-Fi Network

ASUS’s Wireless LAN Router (WDS) WL-530g ($67)

International Use Radio Regulatory FCC in US TELEC in JP CE in EU Distributers

D-Link’s Wireless Access Point (WDS) DWL-2100AP ($75-$113)

Thinktube’s Wi-Fi Mesh-network Router Rokko Mesh Router ($800)

Meraki Network’s Wi-Fi Mesh Network Router Meraki mini ($49) ETSI

Total Field Server Engine: Case: Wi-Fi device + Switching hub Sensors Camera Fan, Power LED Solar Cells Assemble $ $ $ $ $ $ $ $ $ Estimation of Costs

Made-in-China: $

$1000 Field Server Small Case Web Server Wi-Fi Sensors Temp. (Inside, Outside), Humidity, Solar-radiation, 4 ext. Camera LED Lighting