/opt/ros/indigo
Common errors:
The compilation process compiles more than 180 package and installs it in the/opt/ros/indigo directory, often reporting ' collada_parser ', ' collada_urdf ', ' Rviz ', ' Visualization_ Tutorials ', ' rqt_robot_plugins/rqt_rviz ' these packets are faulty and the installation is interrupted. The solution is to remove the packages from the directory ~/ROS_CATKIN_WS/SRC directory and recompile the entire Ros. Finally, a separate workspace is created and the packages a
also to modify the ECB version check, ? unzip and put to ~/.emacs.d/lisp/cedet the.
linum.el, download the latest, put to ~/.emacs.d/lisp/.
session.el, Download the latest, put to ~/.emacs.d/lisp/.
? Color-theme.el, Download the latest, put in ~/.emacs.d/lisp/. ?
session-2.3.a, download, unzip to the ~/.emacs.d/lisp/.
? Then compile all of the above *.el into *.ELC, using Emacs until why do this, where the ECB and Cedet are compiled separately with make. Others
There should be a lot of students in how to use WiFi for Raspberry Pi connection encountered some bottlenecks, the internet said that generally need a router, in fact, we download a 360 free WiFi can, equivalent to the computer as a router to share the network, Xiang Fine steps are as follows:Step one: Download 360 free WiFi, set up your username and password.View 360 free WiFi IP address, enter ipconfig in
Using OpenCV with the Raspberry Pi camera2015.11.21 created by HuangtaoRaspi-config"Camera" and select "Enable"Install Pi Camera:===================http://www.raspberrypi.org/archives/3890Test Pi Camera:===============RASPISTILL-T 10000Ok.Https://github.com/robidouille/robidouille/tree/master/raspicam_cv===============
Kinda want to get started Raspberry Pi, then do a small Web server, put in the school intranet.
Have you ever done anything like that?
Reply content:
Kinda want to get started Raspberry Pi, then do a small Web server, put in
* * Just beginning to contact if there are errors please leave a message, thank you * *Equipment
Raspberry Pi third-generation B + version
Arduino Pro Mini (5v,16mhz) w/atmega328 + Write device (or use other Arduino version)
Bluetooth HC-06
Light Emitting Diode One
10,000 ohms One
DuPont Line several
Packages and tools that are required during installationIn a Python enviro
, according to the above Airodump search for the wireless signal, and then can pick a strong signal to crack (that is, the lower the value of the PWR column, the better) also not all can run pin (MB this column 54e. There's this "." To run a pin) now pick a signal strong use the Reaver commandAnother thing: Remember Bssid (is the router's Mac) CH (channel, also can not) ESSID (the name of the WiFi, or you do not know that you run the WiFi is funny)Of course, you need to install Apt-
Tags: span no install Linu target Date list development issuesRaspberry Pi is really a magical instrument ~ ~ Playing with the Raspberry Pi hardware is too much effort, so I still think of it as a tool for me to practice Linux, yesterday after trying to install the LNMP environment after the deployment of a THINKCMF (because the company's background is based on t
set these PHP scripts are not recognized)Find the definition section of PHP, remove the comments from these lines, and modify the contents as follows
Location ~. php$ {Fastcgi_pass Unix:/var/run/php5-fpm.sock;Fastcgi_index index.php;Include Fastcgi_params;}There are some other definitions in the PHP section, do not move it, for example:# Fastcgi_split_path_info ...# Fastcgi_pass 127.0.0.1:9000
4) Install PHP and SQLite (about 3MB)sudo apt-get
! [GY-85] (http://images.cnblogs.com/cnblogs_com/hangxin1940/466697/o_gy85.jpg "GY-85 ")
9-axis IMU sensor (GY-85 module) can also be seen as three modules 'itg3205 Three-Axis Gyroscope sensor ''' adxl345 three-axis accelerator tilt sensor ''' hmc5883l Electronic Compass'
The GY-85 Module Interface is I2C and can be easily linked to the Arduino/Raspberry Pi.
# PreparationsMake sure the system has installed
To telnet to the Raspberry Pi GUI via vnc, the Raspberry Pi must have a VNC Server service installed on one side, and a few simple configurations are required to make the operation more convenient, as detailed steps below.1. Installing the VNC server component--tightvncserversudo Install Tightvncserver2. Set up a VNC p
logic.
Yesterday my wife read the Rpi.gpio document, one hours and dozens of lines of code can be achieved by the Raspberry Pi car through the infrared detector tracking operation. It's something that no other language can do or that's hard to do.
Video stamp here: Raspberry Pi Infrared Tracking trolley
Python is the
"/" that is, for example, the IP address of the Raspberry Pi is: 192.168.0.10
That with http://192.168.0.10:8080 access to our "/" route (bottle default port is 8080)
Similarly, the path to the second route is "/cmd", which means that access to Http://192.168.0.10:8080/cmd accesses the second route
The last sentence: run (host = "0.0.0.0") is called the bottle Run method, set up an HTTP server, so that we
ObjectiveInstalling Java 8 on a Raspberry Pi is similar to this one, but the Raspberry Pi does not support adding Webupd8team sources automatically with add-apt-repository, so add them manually.StepsCreate a new webupd8team-java.list in/etc/apt/sources.list.d, add a sourcesudo vim.tiny /etc/apt/sources.list.d/webupd8te
Raspberry Pi 3 Study notes (3): Chinese environment setting and input Method installation
If you are installing a Raspbian system, for friends who are not accustomed to English, you need to set up Chinese and install the corresponding Chinese input method, if you install Ubuntu mate, you do not need to set up Chinese, because Ubuntu Mate will allow you to select the appropriate language to use when you in
developers need to build an art-level graphical user interface. QT is easy to scale and allows for real component programming. Basically, Qt is the same type of thing as the MOTIF,OPENWIN,GTK on the X Window and the Mfc,owl,vcl,atl on the Windows platform.To put it simply, QT can write programs that are easily ported to other platforms, basically recompiling the program.install qt on Raspberry PiInstall using the following commandsudo apt-
My girlfriend sent me a Raspberry Pi (Raspberry PI) as a birthday present. Get started with a simple experience. Borrowed a roommate's Kingston 4g SD card, plus a network cable. Get ready to do it!The official NOOBS was first down
Win7 Remote Desktop Connection Raspberry Pi, the password is correct, the error problem connecting issue occurs:
Generally first we use the sudo apt-get install XRDP command to the Raspberry Pi after installing the Remote Desktop Services pack, use the win7 Remote Desktop t
Environment: Raspbian-stretch (2018-06-27)Raspberry Pi: 3 generation B TypeOfficial website Installation Address: http://ozzmaker.com/virtual-keyboard-for-the-raspberry-pi/Home found the keyboard some keys have failed, no way, and windows, directly install a virtual key, is also flattered!Matchbox-keyboard is a "virtua
information, please read the new security suggestions.
Canonical urges the user to install the Linux-image-4.13.0-1015-raspi2-4.13.0-1015.16 kernel as soon as possible so that his linux-raspi2 kernel package can be patched for the Raspberry Pi 2 board computer on Ubuntu 17.10 systems and is now available from the main Ubuntu software repository.
We can see that today's update is also applicable to the Linu
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