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Raspberry Pi

Raspberry Pi. Introduction & Amateur radio . Agenda. Introduction to the Raspberry Pi Origin Add-on boards Amateur Radio Projects. Why from the UK. UK market long history of computer hobbyist - Sinclair computer – 1980’s 1990’s lack of computer hobbist in the young people

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Raspberry Pi

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  1. Raspberry Pi Introduction & Amateur radio

  2. Agenda • Introduction to the Raspberry Pi • Origin • Add-on boards • Amateur Radio Projects

  3. Why from the UK • UK market long history of computer hobbyist - Sinclair computer – 1980’s • 1990’s lack of computer hobbist in the young people • 2000’s start in micro-controller based computer • 2006 first board level micro-controller kit

  4. Origin • Eben Upton founder – Foundation trustee • Academic project for UK students • Teaching aid • Motivate computer skills • Aug 2011 50 Alpha boards released • Initial sales Feb 29 2012, 6am • 2 million request for orders • First batch sold out in few minutes • 500,000 boards (Sep 2012) • Now stand alone company, Cambridge, UK

  5. Raspberry Pi model rev 2 • Single board computer • ARM ARM1176JZF-S 32 bit 700mhz processor, SIMD, 64 bit data path • Same processor found on over 200 smart phones models • GPU Broadcom Videocore IV • HDMI • Ethernet RJ-45 • USB 2.0 • $35

  6. OS and software • Raspbian, Debian, Fedora Arch Linux, RISC OS FreeBSD, NetBSD Plan 9, RSEv2.2 • Python, BBC Basic, C, Perl, Java Can run any software which runs on Linux

  7. Add-on Boards • OLED displays • WiFi dongles • Remote Control – doors, power, motors • Camera • LED Message Display

  8. Amateur Radio Projects • Use Xastir and connect RPI to 2m/70cm hand held radio to provide a simple APRS tactical  display for event organizers, like Boston Marathon  - AG1LE • Portable beacon station that can also send telemetry information such as weather, location, even pictures from USB webcams, etc.  • Use a simple Softrock type USB card and SDR software to create ultraportable Software Defined Radio • Remote control system of ham radio station over the Internet – www.remoteqth.com • Remote SDR receiver using RTL-SDR dongle– ZR6AIC

  9. Xastir • Opensource APRS Tracking and reporting Xastir VHF Radio TNC Raspberry Pi

  10. Softrock – SDR (Radio) Radio Control Raspberry Pi USB Softrock

  11. RTL-283U USB Dongle • Internet Connect • USB Hub Connection • USB Hub • SDR Dongle • HDMI

  12. Post Presentation I mentioned to include link to a site which has many coding examples. It is a great place to start learning a new language, or just to experiment starting with working code. http://rosettacode.org/wiki/Rosetta_Code And this is a directory of their Python code http://rosettacode.org/wiki/Category:Python

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