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Contents - Raspberry PI Community Projects

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IMPORTANT For USB devices other than a mouse and a simple wired keyboard (for<br />

USB devices drawing more than 100mA) a powered USB hub is strongly recommended.<br />

A technical discussion as to why can be found here (http://www.raspberrypi.org/phpBB3/<br />

viewtopic.php?f=24&t=5830) . Specifically the R<strong>PI</strong>'s built in USB hub is designed only<br />

for "Single current unit" USB devices. Note that when using Revision 2 (or later) boards<br />

the problem has been mitigated somewhat with the removal of the USB polyfuses, still<br />

due to the limited current the <strong>PI</strong> can provide to USB devices, due to its main polyfuse, its<br />

still recommended to use a hub for all USB peripherals requiring more than 100mA.<br />

The following are more or less essential, and are all available from The Pi Hut's<br />

<strong>Raspberry</strong> Pi Store (http://thepihut.com/) :<br />

▪ <strong>Raspberry</strong> Pi board<br />

▪ Prepared Operating System SD Card<br />

▪ USB keyboard<br />

▪ Display (with HDMI, DVI, Composite or SCART input)<br />

▪ Power Supply<br />

▪ Cables<br />

Highly suggested extras include:<br />

▪ USB mouse<br />

▪ Internet connectivity - a USB WiFi adaptor (Model A/B) or a LAN cable (Model<br />

B)<br />

▪ Powered USB Hub<br />

▪ Case<br />

▪ Real Time Clock - If you can't count on Network Time<br />

▪ SD card reader - if you need to prepare your own SD card<br />

Prepared Operating System SD Card<br />

As the RPi has no internal storage or built-in operating system it requires an SD-Card that<br />

is set up to boot the RPi.<br />

▪ Have a look at RPi Easy SD Card Setup to create your own preloaded SD Card.<br />

▪ If you want an extensive technical explanation, look here : Create your own<br />

preloaded card using any RPi VerifiedPeripherals#SD_cards card you have and<br />

this HowTo .<br />

▪ Preloaded SD cards will be available from the RPi Shop<br />

(http://www.raspberrypi.com) , The Pi Hut's <strong>Raspberry</strong> Pi Store<br />

(http://thepihut.com/) or eBay (http://www.ebay.co.uk/itm/330743733755) .<br />

▪ For configuration of boot options and extensive graphic modes, look at the<br />

Configuration page.

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