Raspberry Pi

raspberry pi turn around gifThe development of Raspberry Pi originated from the idea of making a tiny computer for kids and to teach computer programming to them. However its functionality is far beyond what was meant for kids. It is capable of doing many things that a PC does, like word processing, games, and play HD videos. From low cost productivity, monitoring and accessibility, home automation, to robotics, Raspberry Pi is a possibility to many solutions.

In this project, I will be using Raspberry Pi as the main controller for the mini and low cost Home Automation.

raspberry pi in casing top view

Top View

bottom view of raspberry pi in casing

Bottom View

side view of raspberry pi in casing

Side View

Specification of Raspberry Pi 512Mb Model B


Raspberry Pi Model B Layout Diagram

System-on-a-chip (SoC): Broadcom BCM2835 (CPU + GPU. SDRAM is a separate chip stacked on top)
CPU: 700 MHz ARM11 ARM1176JZF-S core
GPU: Broadcom VideoCore IV,OpenGL ES 2.0,OpenVG 1080p30 H.264 high-profile encode/decode
Memory (SDRAM)iB: 512 MiB
USB 2.0 ports:  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: 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 ratings (provisional, from alpha board): 700 mA, (3.5 W)
Power source:  5 V (DC) via Micro USB type B or GPIO header
Size:  85.0 x 56.0 mm x 17mm
Weight:  40g

[Reference: RPi Hardware]


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