Raspberrypi
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The Raspberry Pi is a credit-card sized computer that was developed by the Raspberry Pi Foundation to promote computer science education. It uses a Broadcom system-on-chip and runs various Linux-based operating systems. While low in cost, it is a fully functional computer that can be used for programming, robotics, and other applications. Some examples include turning a TV into a smart TV, home automation, and building a media player.
Raspberrypi
- 2. Raspberry Pi • The Raspberry Pi is a fully featured micro-computer built onto a circuit board. • Developed by charitable organisation. • Supported by tech firm Broadcomm. • It can transform your TV to computer.
- 3. Raspberry Pi • measuring approximately 9cm x 5.5cm. • Similar to size of an iphone
- 4. Motivation Computer science skills increasingly important. Works on various OS. Access to computer at low cost. Learn to program various hardware. Computer Science is concerned with much more than simply being able to use a computer. Beginners should understand how they work and how to program them.
- 5. Technology • The Raspberry Pi has a Broadcom BCM2835 system on a chip (SoC),which includes an ARM1176JZF-S 700 MHz processor • Video Core IV GPU. • Originally shipped with 256 megabytes of RAM, later upgraded to 512MB. Now 1GB. • It does not include a built-in hard disk , but uses an SD card for booting and long-term storage.
- 6. Hardware • 10/100 BaseT Ethernet socket • HDMI socket • USB 2.0 socket • RCA video socket • SD card socket • Powered from microUSB socket • 3.5mm audio out jack • Header footprint for camera connection
- 8. GPIO
- 9. Operating System • Fedora • Linux • Debian • ArchLinux ARM
- 10. How to make it work!
- 11. Programming • By default, supporting Python as the educational language. • Any language which will compile for ARMv6 can be used with the Raspberry Pi.
- 12. Applications • Voice-Activated Coffee Machine • Raspberry Pi Dynamic Bike Headlight Prototype
- 13. Applications • It can make your Old TV in to a smart TV. (You can play Videos, 3D Games, Music, Browse Internet and much more. • Raspberry Pi can Act as Full HD 1080p Media Player. • Controls various sensors. Home automation, Carputer, Internet radio, Controlling robots, Cosmic Computer, Hunting for meteorites. • You can connect a Monitor, Keyboard and Mouse and use it as a normal computer.
- 14. Advantages • Ultra low-cost (Model A Rs1500 , Model B Rs2500) • Ultra low-power ~1W • Credit-card sized, fanless, instant start-up • Complete easy-to-program computer
- 15. Advantages • Provide a fun environment for experimenting with programming and electronics • Inexpensive, simple, open and easy to maintain computer for schools • Fun computer for beginners to experiment with at home(programming, robotics, etc...)
- 16. Disadvantages • It does not have a Hard Disk associated with it for permanent storage of files ,we have to connect one externally or have to use SD card for the purpose. • The RAM is a POP package on top of the SoC, so it’s not removable or swappable. • There is no Real time clock associated with the board . Adding an RTC is expensive. You can add one yourself using the GPIO pins.
- 18. THANK YOU
Editor's Notes
- #6: The ARM1176™ applications processors deployed broadly in devices ranging from smart phones to digital TV's to eReaders, delivering media and browser performance, a secure computing environment, and performance up to 1GHz in low cost designs. The ARM1176JZ-S processor features ARM TrustZone® technology for secure applications and ARM Jazelle® technology for efficient embedded Java execution.
- #8: You can program the pins to interact in amazing ways with the real world. Inputs don't have to come from a physical switch; it could be input from a sensor or a signal from another computer or device, for example. The output can also do anything, from turning on an LED to sending a signal or data to another device. If the Raspberry Pi is on a network, you can control devices that are attached to it. Camera Serial interface
- #12: A RISC-based computer design approach means processors require fewer transistors than typical complex instruction set computing (CISC) x86 processors in most personal computers. This approach reduces costs, heat and power use. Such reductions are desirable traits for light, portable, battery-powered devices—including smartphones, laptops, tablet and notepad computers, and other embedded systems.[3][4][5]ACORN ACORN RISC MACHINE
- #13: The Dynamic Bike Headlight is a prototype product which allows a cyclist to see dynamic information about their ride in the beam of their headlight. The prototype on display in the video above shows the speed of the bike, but it could be programmed to show maps, distance traveled, heartrate, or nearby friends.