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Introduction aboout raspberry PI

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Introduction aboout raspberry PI

  1. 1. Raspberry PI Vivek P
  2. 2.  The Raspberry Pi is a series of small single-board computers.  Developed in the United Kingdom by the Raspberry Pi Foundation.  Promote the teaching of basic computer science in schools and in developing countries.  Several generations of Raspberry Pi have been released.  The physical dimensions hasn’t changed (much) between models.  The addition of more IO, USB and bumped up performance has made all the difference.
  3. 3. Released February 2012 February 2015 February 2016 CPU ARM1176JZF-S ARM Cortex-A7 ARM Cortex-A53 CPU speed 700MHz single core 900MHz quad core 1,200MHz quad core RAM 512MB 256MB Rev 1 1GB 1GB GPU Broadcom Videocore IV Broadcom Videocore IV Broadcom Videocore IV Storage SDHC slot MicroSDHC Model A+ and B+ MicroSDHC slot MicroSDHC slot USB Ports 2 on Model B 4 4 WiFi No built-in Wi-Fi No built-in wifi 802.11n and Bluetooth 4.1
  4. 4. Single-board computer  A single-board computer (SBC) is a complete computer built on a single circuit board, with microprocessor(s), memory, input/output (I/O) and other features required of a functional computer.  Unlike a desktop personal computer, single board computers often do not rely on expansion slots for peripheral functions or expansion. Single board computers have been built using a wide range of microprocessors.  A computer-on-module is a type of single-board computer made to plug into a carrier board, baseboard, or backplane for system expansion.
  5. 5. What is ARM processor?  An ARM processor is one of a family of CPUs based on the RISC (reduced instruction set computer) architecture developed by Advanced RISC Machines .  By stripping out unneeded instructions and optimizing pathways, RISC processors provide outstanding performance at a fraction of the power demand of CISC .  Because of their reduced instruction set, they require fewer transistors, which enables a smaller die size for the integrated circuitry (IC).  The ARM processor’s smaller size, reduced complexity and lower power consumption makes them suitable for increasingly miniaturized devices.
  6. 6. Starting Raspberry Pi  To get started you need a Raspberry Pi.  5V USB power supply of at least 2 amps with a micro USB cable .  Any standard USB keyboard and mouse.  An HDMI cable and monitor/TV for display.  A micro SD card with the operating system pre-installed.  New Out Of Box Software NOOBS is an easy operating system installer which contains Raspbian. It also provides a selection of alternative operating systems which are then downloaded from the internet and installed.
  7. 7. System on Chip  A system-on-a-chip (SoC) is a microchip with all the necessary electronic circuits and parts for a given system, such as a smartphone or wearable computer, on a single integrated circuit (IC).  Raspberry Pi 3 uses SoC Broadcom BCM2837.  64bit ARMv8 quad core Cortex A53 processor @ 1.2GHz.  Dual core VideoCore IV GPU @ 400 MHz supporting OpenGL ES 2.0, hardware- accelerated OpenVG, and 1080p30 H.264 high-profile decode.
  8. 8. General purpose input/output (GPIO)  Using GPIO pins you can connect up other ‘things’ to a computer.  For example you may wish to use a computer to measure the brightness level and automatically control lights.  By making connections to those the Raspberry Pi can interface to the electronic world which consists of sensors and indicators and actuators. # Connect LED to GPIO22 (pin 15) import time import RPi.GPIO as GPIO GPIO.setmode(GPIO.BCM) GPIO.setup(22, GPIO.OUT) GPIO.output(22, True) time.sleep(3) GPIO.cleanup()
  9. 9. Raspbian  Raspbian is a free operating system based on Debian optimized for the Raspberry Pi hardware.  Raspbian provides more than a pure OS: it comes with over 35,000 packages, pre-compiled software bundled in a nice format for easy installation on your Raspberry Pi.  Raspbian is not affiliated with the Raspberry Pi Foundation.  Other Operating Systems  Fedora ARM .  Windows 10 IoT Core .  FreeBSD/ARM .  RTAndroid
  10. 10. Raspberry Alternatives Beagle Bone Black  BeagleBoard is produced by Texas Instruments as a single board computer system.  The model comes with 512MB of onboard DDR3 Ram and 4Gb of onboard flash storage.  ARM CORTEX A8 CPU, which is capable of supporting Sybian, Risc Os, Linux Minix, FREE BSD and OPEN BSD.
  11. 11. Raspberry Alternatives Banana Pi Banana pi is also an open source hardware platform, that you can use for your various different computing needs.
  12. 12. Raspberry Alternatives Intel® Galileo Board Galileo is a microcontroller board based on the Intel® Quark SoC X1000 Application Processor with 256 MB of Memory.
  13. 13. Cool Projects Raspberry Pi home automation
  14. 14. Cool Projects Voice-activated coffee machine
  15. 15. Cool Projects A Weather Station
  16. 16. Cool Projects A Home Surveillance System

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