how to make vpn with raspberry pi

Raspberry Pi can do a lot of interesting things, it is equivalent to a small computer, installed on the system can be used as a small server home. With this small server, you can implement an "offline" Download machine. But offline download here is not really offline, because the Raspberry Pi is still online-since the

Make full use of the SD card space in Raspberry Pi Generally, a 4g sd or TF card is required to create a system image for Raspberry Pi, but do you know if your SD card is 8g or 16g or larger, after various types of Linux are created and started to enter the system, only SD c

How to make Windows IoT Core offline install media for Raspberry Pi The previous few days on the Raspberry Pi update receiver for Linux 13.4, and try to install visual Studio Code on the PI, the result that the system is a bit abn

Raspberry Pi Raspberry Pi wireless NIC configuration [multiple method alternatives]To make the Raspberry Pi convenient operation, it is necessary to configure the wireless network card,

opencv-2.4.10.zip http://sourceforge.net/projects/opencvlibrary/files/opencv-unix/2.4.10/opencv-2.4.10.zip/download$ unzip opencv-2.4.10.zip$ cd opencv-2.4.10 Installation: $ mkdir build$ cd build$ cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D BUILD_NEW_PYTHON_SUPPORT=ON -D INSTALL_C_EXAMPLES=ON -D INSTALL_PYTHON_EXAMPLES=ON -D BUILD_EXAMPLES=ON .. Time consumed: Raspberry Pi B +

images. $ pip install numpy Time consumed: Raspberry Pi B +: less than 45 minutes Raspberry Pi 2: less than 15 minutesStep 9: Download and decompress OpenCV: $ wget -O opencv-2.4.10.zip http://sourceforge.net/projects/opencvlibrary/files/opencv-unix/2.4.10/opencv-2.4.10.zip/download$ unzip opencv-2.4.10.zip$ cd op

: # Define PWM1 1 # Define PWM2 2 SoftPwmCreate (PWM1, pwmV1, 200); // 1 = 100us 7 ~ 28 SoftPwmCreate (PWM2, pwmV2, 200); // 1 = 100us 7 ~ 28 In the serial port information receiving, the PWM is output to control the steering gear. If (read (fd, buffer, 4) = 4) { If (buffer [0] = 0xAA buffer [3] = 0x55) { PwmV1 = 7 + (int) (buffer [1] * 21.0/255.0); // x PwmV2 = 7 + (int) (buffer [2] * 21.0/255.0); // y SoftPwmWrite (PWM1, pwmV1 ); SoftPwmWrite (PWM2, pwmV2 ); } } Deploy to

small Raspberry Pi when thin client. In the far-off area of the school is not enough, you can prepare a Raspberry Pi for each child, install Linux, write programs, also can be thin client connected to X server or VNC server and FreeNX server, may want to buy another HDMITo DVI. 4. Develop QT application.In addition to

problem, this is inadvertently found, does not guarantee that it will be effective. Another situation is, I use TightVNC view and RealVNC view connected up, click the right mouse button out of the menu is not the same, until now do not know what the reason, and two view can not use the interface button input Ctrl+alt+del to bring up the task manager.4. Q: How do I make Raspberry

qtsensors qtgraphicaleffects qtlocation qtserialport qttools qtquick1 qtquickcontrols; do cd $ MODULE;/usr/local/qt5pi/bin/qmake .; make-j4; sudo make install; cd ..; done (The execution of the preceding three commands takes a long time. Please wait. After execution) 6. Qt cross-compilation is successful, and a new Raspberry

Maynard: a GTK-written desktop environment Scratch: A simple, visual programming environment noobs: A Raspberry Pi image management tool, He can let you deploy multiple mirrors on a Raspberry Pi Weston: One application Target_fs: Raspberry

tutorial. This is a reference to the input pin to make it easier to know when to accept an input.If you want to use GPIO as input now, take a look at burping jelly Baby and quick reaction game tutorials, implemented in Python, or a reaction game with scratch implementations.# #术语表GPIOGeneral-purpose input and output; The Raspberry Pi is a pin and something you c

prompt. The default user name is Administrator, which is the password that is set when the operating system is burned, and can only be reinstalled if the password is forgotten. Successful login will see the Raspberry Pi Development Board under the current operating system details, application management interface, set the default program and boot boot and so on. Realize MQTT Communication: MQTT (msg Que

introduce how to use shared storage to create other redundant services. Note that although Raspberry Pi is used in this article, the following configuration operations are also applicable to other hardware.Configure Raspberry Pi Download the latest Linux release from the Raspberry