Skip to main content

Home/ Nerdzr/ Group items tagged linux

Rss Feed Group items tagged

Filter: All | Bookmarks | Topics Simple Middle
Jac Londe

MeeGo | WeTab - 0 views

wetab.mobi/...et-open-operating-system-meego

MeeGo WeTab smartphone cellphone Linux OpenSource OS

shared by Jac Londe on 06 Sep 10 - No Cached
  • WeTab presents the first tablet with open operating system MeeGo
  • Working intensively with Intel, we have developed the WeTab OS with MeeGo to meet the requirements of a tablet user in the best way possible. The tablet runs extremely fast
  • The Web-browser plays a special role here and is based on the free HTML rendering engine WebKit, enabling fast and unrestricted surfing enjoyment including HTML5, Adobe Flash® and Java™.
  • ...2 more annotations...
  • MeeGo is a Linux-based, open-source operating system intended to run on a variety of hardware platforms including smartphones, handhelds, netbooks, televisions that are connected to the Internet and passenger cars.
  • MeeGo is a multi-platform project and supports the X86/Intel-Atom and ARM architectures. It can be transferred to other hardware platforms at any time.
  • Jac Londe on 06 Sep 10
     
    New Linux OS, New WebPad, Good Old Intel.
Jac Londe

Daedalus Projects - 0 views

www.daedalus.nu

projects daedalus science tools copter

shared by Jac Londe on 30 Apr 11 - No Cached
  • CrazyFlie flight video
  • The copter itself is organised around the main CPU. The job of this CPU is to acquire the physical measurement given by the gyroscopes and accelerometers and to control the motors to keep the copter stable. This is done by a regulation loop which controls the motors speed 250 times per second. The radio communication has a pretty low bandwidth and is used to send commands to the copter and receive telemetry data from it. The CPU program can be updated by radio.
  • The computer runs control and telemetry programs. The control program reads the input from a game-pad and sends control commands to the copter. We also have programs that can configure the copter regulation parameters and log the measurements in order to make easier to tune the regulation. All the development is done on Windows and Linux. Indeed we are 3 to work on this project, two of us work on Linux and one is mainly on Windows. Using FLOSS permit to handle that in a very effective way. We are mainly using the GCC compiler from CodeSourcery for the copter program compilation, GNU Make for the project build, Mercurial for the source control, and python/pyusb for the communication with the copter. All these softwares works seamlessly on both Linux and Windows and made the project pretty easy to handle. The distance between the motors (horizontally and vertically) is around 8 cm and the total weight is around 20 g.
  • ...4 more annotations...
  • The top of the board contains the sensors and the control/communication electronic: The JTAG/Serial connector permit to program the processor and to communicate debug messages. The Main CPU is a STM32 Cortex-M3. It is clocked at 64MHz from the internal oscillator. The 2 Axis X-Y Gyro is an invensense IDG500. It has an analog output and thus is connected to the CPU analog to digital converters. The 1 Axis Z gyro is an invensense ISZ500. As the X-Y gyro this is an analog chip connected to the CPU analog to digital converters. The 2.4GHz Radio is based on a nRF24L01+ chip from Nordic Semiconductor. It is actually a breakout board sold by SparkFun. The radio is connected to the CPU via a SPI port. The 3 Axis Accelerometer is a SMB380 from Bosch. It is connected to the CPU via an I²C bus.
  • Here nothing particular, except that the little battery is taped on the bottom of the copter. The battery comes from a Silverlit x-twin plane and actually permit 4.5min of flight time.
  • Under the battery we mostly have power supply and the “power” electronics: The charge connector accepts 5V and permits to charge the battery The power switch permits to power the copter either from the charge connector or from the battery. The 5V step-up permits to increase the power voltage from the 3~4V coming from the battery to 5V. The two 3.3V linear regulators, reduces the 5V to power the copter electronic. The digital and analog 3.3V are generated independently. This was made to reduce the noise on the analog components (here it is the two gyros, a quite critical part). Finally at the four sides we have the motors transistors. The power for the motors pass on the top and bottom of the part of PCB that hold the motors. It can be noted that we also have the battery charging chip just at the right of the 3.3V regulators. It is a classical MAX1555 and is working pretty well. The idea with the step-up was to get a more stable voltage when the battery is depleted and also to remove some of the noise coming from the motor electonic. Anyway, this boars is capable to work without by using 2.8V linear regulators instead. So most likely the step-up will be excluded on the next version and we also plan to integrate the radio on board. The motors and propellers are taken from a Silverlit X-twin plane. They are powered by the battery voltage.
  • The copter is controlled via a python program running on the PC. A Playstation bluetooth gamepad is used to pilote it.
Jac Londe

Introduction à PHP - 0 views

www.commentcamarche.net/...phpintro.php3

php html programming library php5 parse

shared by Jac Londe on 27 May 11 - No Cached
  • Qu'est-ce que PHP? PHP est un langage interprété (un langage de script) exécuté du côté serveur (comme les scripts CGI, ASP, ...) et non du côté client (un script écrit en Javascript ou une applet Java s'exécute sur votre ordinateur...). La syntaxe du langage provient de celles du langage C, du Perl et de Java. Ses principaux atouts sont : Une grande communauté de développeurs partageant des centaines de milliers d'exemples de script PHP ; La gratuité et la disponibilité du code source (PHP est distribué sous licence GNU GPL) ; La simplicité d'écriture de scripts ; La possibilité d'inclure le script PHP au sein d'une page HTML (contrairement aux scripts CGi, pour lesquels il faut écrire des lignes de code pour afficher chaque ligne en langage HTML) ; La simplicité d'interfaçage avec des bases de données (de nombreux SGBD sont supportés, mais le plus utilisé avec ce langage est MySQL, un SGBD gratuit disponible sur de nombreuses plateformes : Unix, Linux, Windows, MacOs X, Solaris, etc...) ; L'intégration au sein de nombreux serveurs web (Apache, Microsoft IIS, etc.).
  • Origines de PHP Le langage PHP a été mis au point au début d'automne 1994 par Rasmus Lerdorf. Ce langage de script lui permettait de conserver la trace des utilisateurs venant consulter son CV sur son site, grâce à l'accès à une base de données par l'intermédiaire de requêtes SQL. Ainsi, étant donné que de nombreux internautes lui demandèrent ce programme, Rasmus Lerdorf mit en ligne en 1995 la première version de ce programme qu'il baptisa Personal Sommaire Page Tools, puis Personal Home Page v1.0
Jac Londe

Android DIY kit builds on BeagleBoard platform - News - Linux for Devices - 0 views

www.linuxfordevices.com/...ndroid-Modular-Gadget-Platform

BeagleBoard mobile android hardware objets linux platform kit

shared by Jac Londe on 23 Jun 11 - No Cached
  • APK Android app files
  • DIY Android Modular Gadget Platform
  • The DIY Android kit also comes with a custom-tailored bootable Android SD card, with drivers and kernels specially designed to run Android applications on the system
  • ...1 more annotation...
  • The system also comes preloaded with SL4A -- a scripting language that lets programmers write GUIs in Perl, Python, and some other scripting languages, says the company.
Jac Londe

2mp Auto Focus Mini Board Camera - Buy Board Camera,2mp Auto Focu Camera Module,Mini Bo... - 0 views

www.alibaba.com/...o_Focus_mini_Board_Camera.html

auto focus mini board camera module product

shared by Jac Londe on 15 Nov 12 - No Cached
  • 2MP Auto Focus mini Board Camera
  • 2MP Auto Focus mini Board Camera 1. 2MP 2. Autofocus Board Camera 3. USB interface Model NameUM2CU  2MP Auto Focus Board CameraInterfaceUSB CMOS CameraResolution 2.0MegapixelFocus Type AutofocusUVC YesMicrophoneNoEffective Distance6 cm to infinityF No.F 2.8View Angle58.5 ( FOV )Frame Rate30 fpsDimension38.0mm(L) X 9.8mm(W) X6.55mm(H)OS SupportedWindows XP, Vista, Windows 7,                          Linux Kernel 2.6                MAC OS 10 or above
  • Specifications
Jac Londe

Usb2.0 High Speed Uvc Driverless 2m Fix Focus Cmos Camera Module For Mobile Phone - Buy... - 0 views

www.alibaba.com/...High_Speed_UVC_Driverless.html

usb focus cmos camera module mobile mobile phone phone product

shared by Jac Londe on 15 Nov 12 - No Cached
  • Specifications 1. UVC Driverless 2. 2MP Fix Focus Model NameUM2BU 2M Fix Focus CMOS Camera ModuleInterfaceUSB CMOS CameraResolution2.0 MegapixelFocus TypeFix FocusUVCYesMicrophoneNoEffective Distance30cm to infinityF No.F 2.8View Angle59.9( FOV )Frame Rate30 fpsDimension38mm(L) X 9.8mm(W) X5.46mm(H)OS SupportedWindows XP, Vista, Windows 7,Linux Kernel 2.6 MAC OS 10 or above
Jac Londe

Vga 0.3 Megapixel Camera Module - Buy Camera Module,Usb Pc Camera Module,Cmos Camera Mo... - 0 views

www.alibaba.com/...3_Megapixel_Camera_Module.html

vga megapixel camera usb cmos product

shared by Jac Londe on 15 Nov 12 - No Cached
  • VGA 0.3 Megapixel Camera Module
  • Specifications VGA 0.3Megapixels Camera Module Model NameUM72U VGA 0.3Megapixels Camera ModuleInterfaceUSB CMOS CameraResolutionVGAFocus TypeFixfocusUVCYesMicrophoneNoEffective Distance30 cm to infinityF No.F 2.8View Angle67° ( FOV )Frame Rate30 fpsDimension43.0mm(L) * 9.0mm7.5(W) *4.5mm(H)OS SupportedWindows XP, Vista, Windows 7,                                                                                           Linux Kernel 2.6                                                                                           MAC OS 10 or above
Jac Londe

Internet Census 2012 - 0 views

internetcensus2012.bitbucket.org/paper.html

security telnet scanning internet census 2012 botnet

shared by Jac Londe on 23 Mar 13 - No Cached
  • Internet Census 2012
  • Carna Botnet
  • Abstract While playing around with the Nmap Scripting Engine (NSE) we discovered an amazing number of open embedded devices on the Internet. Many of them are based on Linux and allow login to standard BusyBox with empty or default credentials. We used these devices to build a distributed port scanner to scan all IPv4 addresses. These scans include service probes for the most common ports, ICMP ping, reverse DNS and SYN scans. We analyzed some of the data to get an estimation of the IP address usage. All data gathered during our research is released into the public domain for further study.
Jac Londe

Hot Sales!wifi Wireless Hard Disk - Buy Wifi Wireless Hard Disk,16gusb Flash Drive,32g ... - 0 views

www.alibaba.com/...s_wifi_wireless_hard_disk.html

wifi wireless flash drive usb drives disk

shared by Jac Londe on 07 Aug 12 - No Cached
  • Wifi Wireless USB Flash drive
  • 1.Battery: 2000mah(about 4H)2.Hi-speed USB 2.03.Mini 5Pin USB interface4.Wifi Wireless Standards: IEEE 802.11b/g/n5.Frequency: 2.4GHz6.Supported Devices,iPad, iPhone, or iPod touch device.Android OS Devices(Tablet, TV, Phone)Smart Phone7.Working Platform:WINDOWS ME/2000/XP/MAC OS/LINUX or later8.Charging while using9. Storage: 16GB-32GB
Jac Londe

Root Android : rooter c'est quoi au juste ? - 0 views

forums.cnetfrance.fr/...id--rooter-c-est-quoi-au-juste

android root tools mobile

shared by Jac Londe on 17 Sep 12 - No Cached
  • Root Android : rooter c'est quoi au juste ?
  • Root : Qu'est-ce que ça veut dire ? C'est quoi au juste ? Dans tout système d'exploitation, il existe au moins un utilisateur suprême qui possède tout les droits sur le système, c'est à dire que ce dernier n'a aucune restriction. Il peut donc tout faire, y compris des bêtises pouvant endommager le système. Cet utilisateur suprême s'appelle administrateur (dans l'univers Windows ) alias "admin" et comme le système android fait partie de la famille GNU/Linux (système d'exploitation libre), cet utilisateur suprême est "Root" ou "Super Utilisateur" alias "SU" pour "SuperUser".
  • Ca permet de faire quoi concrètement à mon système ? Être en Root permet d'avoir le luxe de modifier les paramètres sensibles du système android. Il permet entre autre : d'installer des programmes nécessitant la mise en root tel que les applications de capture d'écran...de supprimer des applications pré-installée lors de l'achatde changer la police d'écriturede modifier la fréquence du processeur pour tirer meilleur profit de la batterie ou augmenter l'autonomie pour jouer à des jeuxde mettre un thème Halloween, Noel Saint valentin et plein d'autrede changer l'écran de chargement lors de l'allumaged'utiliser des logiciels spécifiques (sauvegarde par exemple), avant de mettre comme certains le font une version optimisée (qu'on appelle dans le jargon une rom custom) ou de changer le kerneld'épater les copains
Jac Londe

Arduino - Introduction - 0 views

arduino.cc/Introduction

opensource electronics arduino tool introduction tutorial

shared by Jac Londe on 19 May 11 - Cached
  • What is Arduino?
  • Arduino is a tool for making computers that can sense and control more of the physical world than your desktop computer. It's an open-source physical computing platform based on a simple microcontroller board, and a development environment for writing software for the board.
  • Inexpensive - Arduino boards are relatively inexpensive compared to other microcontroller platforms. The least expensive version of the Arduino module can be assembled by hand, and even the pre-assembled Arduino modules cost less than $50
  • ...4 more annotations...
  • Cross-platform - The Arduino software runs on Windows, Macintosh OSX, and Linux operating systems. Most microcontroller systems are limited to Windows.
  • Simple, clear programming environment - The Arduino programming environment is easy-to-use for beginners, yet flexible enough for advanced users to take advantage of as well. For teachers, it's conveniently based on the Processing programming environment, so students learning to program in that environment will be familiar with the look and feel of Arduino
  • Open source and extensible software- The Arduino software and is published as open source tools, available for extension by experienced programmers. The language can be expanded through C++ libraries, and people wanting to understand the technical details can make the leap from Arduino to the AVR C programming language on which it's based. SImilarly, you can add AVR-C code directly into your Arduino programs if you want to.
  • Open source and extensible hardware - The Arduino is based on Atmel's ATMEGA8 and ATMEGA168 microcontrollers. The plans for the modules are published under a Creative Commons license, so experienced circuit designers can make their own version of the module, extending it and improving it. Even relatively inexperienced users can build the breadboard version of the module in order to understand how it works and save money.
Jac Londe

Liquidware : Android Boot SD Card - 0 views

www.liquidware.com/...Android+Boot+SD+Card

arduino hardware electronics programming shopping opensource beagleboard objoom android SD

shared by Jac Londe on 24 Jun 11 - No Cached
  • Android Boot SD Card Options: Android Boot SD Card ($119.31) Quantity: View Cart Final Cost: $119.31 Several Android developers have requested a pre-packaged and pre-formatted SD card contains the bootable Android OS, customized to run on the BeagleBoard and BeagleTouch. The Android Boot SD card s
  • aves days of customization and low-level programming needed to integrate Android with the BeagleBoard platform, allowing developers to immediately run the
  • Android OS and focus on building applications instead.
  • ...2 more annotations...
  • Low-level drivers and kernels have been coded and optimized to turn the BeagleBoard and BeagleTouch into a high-performance handheld Android device. Ideal for prototyping, the Android OS Boot SD card can easily be swapped out with the standard Liquidware BeagleBoot SD card to run Linux as needed. The card comes standard with the Android DIY Starter Kit+ and the Android Hardware Development Kit
  • Specifications Kingston 4GB SD Card Class 4: 4MB/s minimum data transfer rate Secure Digital High Capacity (SDHC) compatible Pre-formatted to run with BeagleBoard Boots Android directly
1 - 20 of 20
Showing 20▼ items per page