Raspberry Pi


What is the Raspberry Pi?

 

  • Affordable credit-card sized computer
  • Developed in U.K. by Raspberry-pi foundation in 2009
  • Plugs into a computer monitor or TV
  • Uses standard keyboard and mouse
  • Can browse the internet and play HD video
  • Can also interact with the outside world!

Why Raspberry Pi?

The Foundation’s goal is to advance the education of adults and children in the field of computers, computer science, and related subjects.

  • Very low cost
  • Great tool for learning programming ,Computers & Concepts of Embedded Linux, etc
  • Support for all Age Groups ( School Children, College Undergraduates, Professional Developers, Programmers)
  • Consumes less than 5w of Power
  • Fun to learn & explore. You are limited by your imagination

How Does the Raspberry Pi Work?

Here’s how it works: An SD card inserted into the slot on the board acts as the hard drive for the Raspberry Pi. It is powered by USB and the video output can be hooked up to a traditional RCA TV set, a more modern monitor, or even a TV using the HDMI port.

Here’s how it works: An SD card inserted into the slot on the board acts as the hard drive for the Raspberry Pi. It is powered by USB and the video output can be hooked up to a traditional RCA TV set, a more modern monitor, or even a TV using the HDMI port.

 

 

Is the Raspberry Pi open source?

The Raspberry Pi operates in the open source ecosystem: it runs Linux (a variety of distributions), and its main supported operating system, Raspbian, is open source and runs a suite of open source software. The Raspberry Pi Foundation contributes to the Linux kernel and various other open source projects as well as releasing much of its own software as open source.

Technical Specifications

  • Processor : Broadcom BCM2835 SoC (System on Chip)
  • Core : ARM11 (700 MHz ARM1176JZF-S)
  • Memory(RAM): 256Mb (Model A) or 5102Mb(Model B/B+)
  • 0: 1(Model A) / 2(Model B) / 4(Model B+)
  • ON BOARD STORAGE : SD Card (Model A/B) Micro SD (Model B+)
  • VIDEO INPUT : Camera Support via CSI Connector

  • VIDEO OUTPUT: Composite Video (RCA) or HDMI or LCD Support via DSI
  • Networking : 10/100 Mbit/s Ethernet Support on Model B/B+
  • Audio Outputs :5mm jack
  • O. Lines : 26 Pin GPIO Connector on Model A/B and 40 Pin GPIO Connector on Model B+ (GPIO, UART, SPI, I2C, Power Rails, I2S,etc)
  • Power Source : 5V/2A AC Adapter via Micro USB
  • Power Ratings : 300 mA (1.5W – Model A), 700mA (3.5W – Model B) & 600 mA(3W-Model B+)
  • Operating System : Raspbian, Debian, Pidora, Fedora, OpenELEC, ArchLinux ARM, FreeBSD,etc

Compare Raspberry Pi and a PC

Components

Laptop or PC

Raspberry Pi Version B

ProcessorIntel 2.2 Ghz, Dual Core700 Mhz, Signal Core Arm 11
RAM6GB512 MB
GraphicsIntel HD 3000Dual core video core lV
EthernetYesYes
USB 2.0YesYes
Video O/PVGA,HDMIComposite RCA HDMI
Audio O/PYesYes
Storage500 GB Hard disk32 GB SD card
Operating SystemLinix / WindowsOnly Linix
Dimensions14 inch laptop8.6×5.4×1.7cm

Raspberry Pi – Models

Model B+Model BModel A
ChipBroadcom BCM2835 SoC full HD multimedia applications processorBroadcom BCM2835 SoC full HD multimedia applications processorBroadcom BCM2835 SoC full HD multimedia applications processor
RAM512 MB SDRAM

400 MHz

512 MB SDRAM

400 MHz

512 MB SDRAM

400 MHz

StorageMicroSDMicroSDMicroSD
USB

2.0

4xUSB Ports2xUSB Ports2xUSB Ports
Power Drawn / Voltage600mA up to 1.8A (5V)750mA up to 1.2A (5V)600mA up to 1.2A (5V)
GPIO402626

Raspberry Applications

  • Open office (Libre Office)

  • Games on Raspberry Pi

  • Camera with Raspberry Pi (It is capable of taking full HD 1080p photo and video and can be controlled programmatically.

  • Music, Videos and a Media Center (Using Open Source XBMC)

  • Learning Programming: Learn Python, C/C++, Java, Ruby, Basic, etc.

  • Electronics Projects: Hardware + Sensors +Electronics Interfacing, etc

  • Running a Web server on Raspberry Pi

  • WebIoPi: Controlling Pi Over Internet

 

“The new Raspberry Pi 4 offers four Cortex-A72 cores, and can be configured with up to 4GB LPDDR4 memory”

It’s released on June 24th 2019

Raspberry Pi 4 specs

  • SoC: Broadcom BCM2711B0 quad-core A72 (ARMv8-A) 64-bit @ 1.5GHz
  • GPU: Broadcom VideoCore VI
  • Networking: 2.4 GHz and 5 GHz 802.11b/g/n/ac wireless LAN
  • RAM: 1GB, 2GB, or 4GB LPDDR4 SDRAM
  • Bluetooth: Bluetooth 5.0, Bluetooth Low Energy (BLE)
  • GPIO: 40-pin GPIO header, populated
  • Storage: microSD
  • Ports: 2 × micro-HDMI 2.0, 3.5 mm analogue audio-video jack, 2 × USB 2.0, 2 × USB 3.0, Gigabit Ethernet, Camera Serial Interface (CSI), Display Serial Interface (DSI)
  • Dimensions: 88 mm × 58 mm × 19.5 mm, 46 g

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