Raspberry Pi

(information from http://en.wikipedia.org )

The Raspberry Pi is a credit-card sized computer developed by Raspberry Pi in 2006 and the product based on ARM11 is available in 2012 .

Specifications:

Name	Model A	Model B
SoC	Broadcom BCM2835 (CPU, GPU, DSP, SDRAM and USB port)
CPU	700 MHz ARM1176JZF-S core (ARM11 family, ARMv6 instruction set
GPU	Broadcom VideoCore IV @ 250 MHz OpenGL ES 2.0 (24 GFLOPS) MPEG-2 and VC-1 (with license), 1080p30 h.264/MPEG-4 AVC high-profile decoder and encoder
Memory (SDRAM)	256 MB (shared with GPU)	512 MB (shared with GPU)
USB 2.0 ports	1 (direct from BCM2835 chip)	2 (via the built in integrated 3-port USB hub)
Video input	A CSI input connector allows for the connection of a RPF designed camera module
Video outputs	Composite RCA (PAL and NTSC), HDMI (rev 1.3 & 1.4),[80] raw LCD Panels via DSI 14 HDMI resolutions from 640×350 to 1920×1200 plus various PAL and NTSC standards.
Audio outputs:	3.5 mm jack, HDMI, and, as of revision 2 boards, I²S audio (also potentially for audio input)
Onboard storage	D / MMC / SDIO card slot (3.3V card power support only)
Onboard network	None	10/100 Ethernet (8P8C) USB adapter on the third port of the USB hub
Low-level peripherals	8 × GPIO,[85] UART, I²C bus, SPI bus with two chip selects, I²S audio[86] +3.3 V, +5 V, ground
Power ratings	300 mA (1.5 W)	700 mA (3.5 W)
Power source	5 volt via MicroUSB or GPIO header
Size	85.60 × 53.98 mm (3.370 × 2.125 in)
Weight	45 g (1.6 oz)
Operating systems	Arch Linux ARM,Debian GNU/Linux, Fedora, FreeBSD, NetBSD, Plan 9, Raspbian OS, RISC OS, Slackware Linux