RaspberryPi
From eLinux.org
A Raspberry Pi (or short: Rpi) is a cheap credit-card sized computer, equipped with an ARM processor powerful enough to run most linux distributions.
Contents |
The foundation
- main article: Rpi Foundation
The Raspberry Pi is a project by the Raspberry Pi foundation which aims to bring computer interaction back to schoolkids, by producing very small, cheap computers.
System Specifications
The Rasberry Pi comes in two tastes, A and B, with B having more features. The General Purpose Input/Output (GPIO) pins on each board allow for the use of optional Rpi expansion boards
| Model A | Model B | |
|---|---|---|
| Target price: | US$25 (GBP £16) | US$35 (GBP £22) |
| System-on-a-chip (SoC): | Broadcom BCM2835 (CPU + GPU + DSP + SDRAM) | |
| CPU: | 700 MHz ARM11 | |
| GPU: | Broadcom VideoCore OpenGL ES 2.0, 1080p30 H.264 high-profile decode | |
| Memory (SDRAM): | 128 MiB | 256 MiB |
| USB 2.0 ports: | 1 | 2 (via integrated USB hub) |
| Video outputs: | Composite video|Composite RCA, HDMI (not at the same time) | |
| Audio outputs: | TRS connector|3.5 mm jack, HDMI | |
| Audio inputs: | none, but a USB mic or sound-card could be added | |
| Onboard Storage: | Secure Digital|SD / MMC / SDIO card slot | |
| Onboard Network: | None | 10/100 wired Ethernet RJ45 |
| Low-level peripherals: | General Purpose Input/Output (GPIO) pins, Serial Peripheral Interface Bus (SPI), I²C, I²S, Universal asynchronous receiver/transmitter (UART) | |
| Real-time clock: | None | |
| Power source: | 5V via Micro USB or GPIO header | |
| Power ratings: | 500mA, (2.5 Watt) | 700mA, (3.5 Watt) |
| Size: | 85.60mm x 53.98mm (3.370 × 2.125 inch) | |
Software
- main article: Rpi Software
The Raspberry Pi is a fully capable ARM computer, so it should be able to run about everything compiled in ARM.
