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WiShield 2.0
Price: $55.00
Number pieces in packaging:1
Number pieces in box:1
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This is the shield you need to get Wi-Fi connectivity to your Arduino-basedproject! This shield provides 802.11b connectivity and is a direct drop-on plug-and-play solution to your Arduino Diecimila/Duemilanove/Uno.
The second revision of this board has all the componentsin surface mount form.  The new and exciting feature of the second revision of this board is the addition of a 16Mbit serial flash for storing web pages and other data!  This additional storage spacecan be used for storing more complex and feature rich webpages, as well as sensor type data to be downloaded at a future time.
Shield Features
* Add-on shield built for Arduino Diecimila andDuemilanove
* Dimensions, shape, even color match exactly!
* True plug-n-play solution
* Uses SPI for host communication (max speed 25MHz)
* All Arduino headers brought out foreasy access
* Easy access reset button on-board
* On-board PCB antenna
* Switchable interrupt pin usage between INT0 and digital pin 8
* Switchable LED on digital pin 9
*Switchable CS pin for serial flash between digital pin 10 and digital pin 7[1]

Wi-Fi Module Features
* 802.11b Wi-Fi certified
* 1Mbps and 2Mbps throughput speeds
* Supports bothinfrastructure (BSS) and ad hoc (IBSS) wireless networks
* Ability to create secured and unsecured networks
* WEP (64-bit and 128-bit)
* WPA/WPA2 (TKIP and AES) PSK
* Low powerusage
* Sleep mode: 250μA
* Transmit: 230mA
* Receive: 85mA

Pin Usage
* SPI
* Slave select (SS) : Arduino pin 10 (port B, pin 2)
* Clock (SCK) : Arduinopin 13 (port B, pin 5)
* Master in, slave out (MISO) : Arduino pin 12 (port B, pin 4)
* Master out, slave in (MOSI) : Arduino pin 11 (port B, pin 3)
* Interrupt (Uses only one...