Contents - Raspberry PI Community Projects

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SanDisk UHS-I C10 Ultra SDHC 8GB (SDSDU-008G-U46) Panasonic SDHC 4GB Class 10 UHS-I NIC Compile/Run On LAN server: iperf -s On <strong>Raspberry</strong> Pi: 19.1 20.8 11.2 6.2 iperf -t 60 -c -d Results Bandwidth (Mbit/s) 52.1 + 46.4 91.8 + 36.8 CPU usage (top) Debian Wheezy "Rasbpian" Debian Wheezy "Raspbian" Jul 14 18:56:31 BST 2012 armv6l GNU/ Linux Linux raspberrypi 3.1.9+ #272 PREEMPT Tue Aug 7 22:51:44 BST 2012 armv6l GNU/ Linux 3.1.9+ #144 PREEMPT Distro Kernel Notes 5.1%us, Linux raspberrypi Debian Squeeze 66.2%sy, 3.1.9+ #95 "debian6-19-04-2012" 28.7%si PREEMPT 1.6%us, Debian Wheezy 60.8%sy, "Raspbian" 37.5%si Linux raspbian 3.1.9+ #101 PREEMPT Panasonic RP-SDU04GE
65.1 + 48.8 69.5 + 29.1 90.8 + 91.4 1.3%us, Arch Linux 61.9%sy, 2012-04-29 36.8%si 0.6%us, Debian Wheezy 55.5%sy, "Raspbian" 40.0%si 0.3%us, 62.2%sy, Gentoo Linux ARM 37.5%si Additional Observations Linux alarmpi 3.1.9-12+ #5 Sat Apr 28 04:49:38 UTC 2012 armv6l ARMv6-compatible processor rev 7 (v6l) BCM2708 GNU/ Linux Linux rpi 3.1.9+ #168 PREEMPT Linux genpi 3.2.23-bootc #1 Remote host connected at gigabit Remote connected at gigabit, values for si between 30 and 55 % Remote host connected at gigabit, vm.min_free_kbytes = 4096 Using netperf -H [netserver host IP] with Debian Wheezy and changing the CPU clock rate, the TCP performance increased linearly from 61 Mb/s at 500 MHz to 80.6 Mb/s at 900 MHz. Performance seems to improve considerably by dropping MTU from the default 1500 to 1488. However, this has caused kernel instabilities with Debian Squeeze images (debian6-19-04-2012). It is unknown if this performance benefit is also gained on other images, or if these kernel instabilities have been resolved. Power This table lists how much power is drawn over the 5V power cable whilst performing various tasks. Task Booting (without peripherals) Power use (mA) 120-400 Notes Taken from Agilent lab power supply readings. No composite/ keyboard/mouse/network connected. HDMI was enabled but the cable was disconnected.
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RPi Buying Guide From eLinux.org Co
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Farnell Worldwide Premier Farnell a
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Q: If interest was obviously so hig
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limited to batches of only 10k Rasp
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References 1. ↑ http://en.wikiped
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SD Card setup To boot the Raspberry
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Copying the image to an SD Card on
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1. These commands and actions need
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▪ dd bs=4M if=~/2012-09-18-wheezy
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Model: SD SD08G (sd/mmc) Disk /dev/
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RPi Hardware Basic Setup From eLinu
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NOTE: An RPi SD card can only be us
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1. Micro-B USB Power Cable (see abo
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One promising device is the Cymbet
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External Links For a verbose guide
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This page is a community work in pr
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===================================
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NOTE: If the partitions (/dev/sdc1
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Setting up for remote access / head
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continue to be able to address it i
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An alternative startup guide for be
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Where to start? Any easy question t
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If you're unsure of which locale to
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Debian Wheezy, using raspi-config D
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Media Player With this configuratio
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▪ Entering "sudo apt-get install
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Tutorials - Guides - Projects - Tas
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▪ 5.5 Networking no longer works
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Green LED blinks in a specific patt
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can only handle 100mA per USB slot
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Get the latest firmware version The
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Ethernet connects at 10M instead of
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Some programs refuse to accept my p
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Display Startx fails to start If yo
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overscan_bottom=20 Interference vis
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Composite displays no image The out
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Troubleshooting power problems If y
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Hardware versions/revisions Several
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Raspberry Pi Model Wizard - Buying
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# Set monitor mode to DMT hdmi_grou
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hdmi_drive=1 Normal DVI mode (No so
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hdmi_mode=46 1440x900 reduced blank
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opt/vc/bin/tvservice -d edid.dat /o
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Overclocking options Option Descrip
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GPU core, h264, v3d and isp should
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RPi Hardware From eLinux.org Conten
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Low-level peripherals: Real-time cl
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core clocked at 700MHz; ARM VFP. Th
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Power ▪ High-resolution PCB front
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the RPI itself, sometimes up to hal
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Things that can cause problems ▪
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Capacitor C6 (ringed) It's unlikely
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RPi HardwareHistory From eLinux.org
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Raspberry Pi Model-B Full Productio
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Raspberry Pi Alpha Board ▪ Announ
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10. ↑ (hand-mod) More on the beta
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Introduction In addition to the fam
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Each GPIO can interrupt, high/low/r
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Colour legend +5 V +3.3 V Ground, 0
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GPIO06 is LAN_RUN and is available
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GPIO Code examples GPIO Driving Exa
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); BLOCK_SIZE, PROT_READ|PROT_WRITE
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# Set up GPIO 7 and set to input ec
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gcc -o blink -I ../../src ../../src
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GPIO Driving Example (Ruby) This ex
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Model Wizard - Buying Guide - SD Ca
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Back to the Hub. Contents ▪ 1 Int
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AFLEX Robotic Board AFLEX Robotic B
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Pi232 RS232 board Pi232 (http://www
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MiniPiio Relay2 [7] (http://zuzebox
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line in it for commands. The interf
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RPi Screens From eLinux.org Back to
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http://www.hdfury.com/ Something si
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Nokia N8 has AMOLED 360x640 pixels
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RPi Cases From eLinux.org Back to R
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Back to the Hub. ▪ 32.5 Customiza
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Lego Case 2 I had a bit of a play i
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This unique case has an integrated
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The foldable case from "Andrew K" (
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Both bottom and top of the case are
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ModMyPi - Raspberry Topping Case Mo
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RepRap friendly cover for Raspberry
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Design One (http://www.thingiverse.
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FoamBox1.png FoamBox2.png FoamBox3.
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PI Sandwich Case BUD Industries is
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▪ Customizable! ▪ Nearly Indest
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The PiSlab is made from a slab of 1
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Options 4 Different Design Access t
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Polycase Pi Series Case The new Pi
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Tek Berry.40 Length: 100.6 Width: 7
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Raspberry Pi Model Wizard - Buying
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Back to the Hub. Contents ▪ 1 Not
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▪ (B) - Relates to model B produc
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▪ F5U706ea/uk 2-in-1 Hub (USB 2.0
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▪ Logik L4THUB10 4 Port powered h
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Problem USB Hubs Please check known
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thing is that RPi powers on when I
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▪ A4 Tech ▪ Model KL-5 USB Keyb
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▪ EBO-013 Wireless 2.4GHz compact
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▪ Comfort Wave 450, labeled 100mA
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▪ ONN Keyboard Stock No: ONA11HO0
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▪ Trust 17916 Compact Wireless En
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▪ G510 Gaming Keyboard - lagging
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▪ DX-WMSE (100mA) (B) ▪ Fellowe
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▪ Samsung model:AA-SM3PCPB usb Op
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USB WiFi Adapters See also: http://
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▪ Belkin Components F7D1101 v1 Ba
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▪ Edimax ▪ EW-7811Un (http://ww
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▪ MSI ▪ Micronet SP907NS, 11N W
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▪ SMC ▪ SMCWUSBS-N : Hardware d
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Wheezy) as it includes the needed 8
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▪ Apple ▪ Apple USB Ethernet Ad
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Tested on Raspbian and Archlinux. D
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▪ Webcam C100 Model Number V-U001
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correctly on boot. You may need to
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USB RFID Reader JTAG ▪ Unbranded
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▪ Universal USB Wall Charger (5V
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▪ RS Components' ▪ HNP06UK (RS
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Display adapters Note that active c
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hdmi_mode=36 disable_overscan=1 Acc
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Working SD Cards ▪ 4GB SDHC Class
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▪ 8GB SDHC Class 4 (doesn't reboo
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▪ Mushkin ▪ 16GB SDHC Class 10
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▪ 32GB SDHC Class 10 (MB-SSBGA, M
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Page 251 and 252: ▪ 32GB SDHC Class 10 (http://www.
Page 253 and 254: ▪ 4GB SDHC Class 4 — hasn't wor
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Page 257 and 258: Model Wizard - Buying Guide - SD Ca
Page 259 and 260: We're not currently using a bootloa
Page 261 and 262: Performance Performance Page Progra
Page 263 and 264: Back to the Hub. Software & Distrib
Page 265 and 266: Fedora Remix (http://fedoraproject.
Page 267 and 268: Wiki & Main site (http://androidpi.
Page 269 and 270: The generally small system that pro
Page 271 and 272: ha-pi ▪ Main Site (https://source
Page 273 and 274: FreeBSD Details and install guide o
Page 275 and 276: GeeXboX ARM GeeXboX is a free and O
Page 277 and 278: RPi Kernel Compilation From eLinux.
Page 279 and 280: From a foreign machine Firmware cd
Page 281 and 282: From opensource.apple.com, download
Page 283 and 284: Tutorials - Guides - Projects - Tas
Page 285 and 286: CPU Linpack The Arm has been tested
Page 287 and 288: Reps Time(s) DGEFA DGESL OVERHEAD K
Page 289 and 290: cast cbc 5068.25k 6020.03k 6345.71k
Page 291 and 292: armhf "driver info" : http://i.imgu
Page 293 and 294: Extrememory SDHC 16GB class 10 (man
Page 295 and 296: Patriot SDHC 32GB Class 10 UHS-1 (P
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Page 299: Sandisk Ultra SDHC I Class 6 ("30MB
Page 303 and 304: RPi Programming From eLinux.org Bac
Page 305 and 306: Graphical Programming ▪ Gambas (h
Page 307 and 308: Tutorials - Guides - Projects - Tas
Page 309 and 310: Kernel Compilation - advice on comp
Page 311 and 312: ilclient helper library This librar
Page 313 and 314: egistry/egl/specs/eglspec.1.4.20110
Page 315 and 316: specs/openvg-1.1.pdf) or the API qu
Page 317 and 318: RPi Tutorials From eLinux.org
Page 319 and 320: Community Pages: Tutorials - a list
Page 321 and 322: DracoSoftware (http://dracosoftware
Page 323 and 324: 5V Power Supply construction - How
Page 325 and 326: Live mp3 streaming from audio-in wi
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Page 329 and 330: web browser Easy Suitable for begin
Page 331 and 332: Installing Ruby on Rails Share your
Page 333 and 334: Using Skypekit Pre-configuring SD c
Page 335 and 336: RPi Projects From eLinux.org Back t
Page 337 and 338: BerryTerminal (http://www.berryterm
Page 339 and 340: Digital Signage Retrieved from "htt
Page 341 and 342: The Raspberry Pi Foundation is a UK
Page 343 and 344: 5. Optional USB driver for 2-device
Page 345 and 346: R-Pi System/Data Management --Meltw
Page 347 and 348: Model Wizard - Buying Guide - SD Ca
Page 349 and 350: 101-200 Raspberry Pi Foundation ann
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RPi Education From eLinux.org Conte
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Computer History Museum, Silicon Va
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used for Desktop apps, Daemon/Servi
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fundamentals of computer programmin
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▪ https://github.com/ntoll/Raspbe
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RPi Community From eLinux.org Back
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▪ RasPi Forums on EduGeek.net (ht
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References 1. ↑ http://www.pyroso
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