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find that the requested CSS address is 192.168.1.100 (Raspberry Pi Intranet address) /var/www/css obviously this Intranet address does not make any sense. therefore, we need to reconfigure this parameter.
Use the domain name to re-access Raspberry Pi, such as test.ecip.net/
Recently in the toss Raspberry Pi, at that time also did not pay attention to, look at the price, bought Mercury network MW150US Ultra-small 150M wireless USB card. But the tragedy was to use iwconfig and not recognize the wireless card But with lsusb words can see MW150US with is Rtl8188eu chip, search on the network, finally found a solution 1. first download the latest Linux kernel for compiling and inst
The hand has a CCD Camera (Barcode reader/scanner Module), it is through RS232 communication, with the RS232 to the USB adapter to connect the Raspberry Pi, you can complete the hardware connection. For serial communication, it can be realized by pyserial.First, install Pyserial:Download the latest version of the installation package from Https://pypi.python.org/pypi/pyserial and complete the installation w
uick2wire-gpio-admin in a proper location:
Wget https://github.com/quick2wire/quick2wire-gpio-admin/archive/master.zip
Or
Git clone https://github.com/quick2wire/quick2wire-gpio-admin.git
Decompress the downloaded ZIP file and enter the decompressed directory.
Compile and install
MakeSudo make install
In this case, the installation is completed. It exists with the 'gpio-admin' command in the system.
Next, add the current
Guide to Getting StartedNow let's connect the LEDs to the hardware devices that have WINDOWS10 IoT Core installed and create an application to make them blink.Load a project in Visual StudioHere we find the routines here, which are available in C + + and C # versions. This tutorial only covers versions that use C #. Copy the project folder to disk and open it in Visual Studio.Then check your Windows IoT device and
Today I turned over the old data and found something. When the company's servers were not in place (startups had no way).Talking about the server, a colleague took out his raspberry Pi.I think, I can do it. Go would have supported multiple platforms. Redis is written in C and should not be a problem.Finally, although the middle walk a little detour, but fortunately, can run up.Golang:1. Download the 1.4.2 source package from the official website. Do n
First, basic settings
1
sudo raspi-config
Move to the fifth "Enable Camera", enter, press the TAB key to switch to "enable" to confirm the return. Back to the main menu, tab to "Finish" to confirm the return. The Raspberry Pi will restart automatically.or execute a command to manually shut down the machine
1
sudo shutdown-h now
Warning!!!!!!!!!
FileZilla on Windows to make an SFTP connection with the connection address starting with sftp://. You can no longer use stand-alone displays and keyboards."Timed Shutdown"sudo crontab-u root-eAdd the following content* * * */sbin/init 0"Start-up Run"sudo nano/etc/rc.localAdd the following contentsudo nohup python-u/home/pi/unlockhandler.py >/home/pi/unlockhandl
The DHT11 is a temperature and humidity sensor with calibrated digital signal output. Precision humidity +-5%RH, temperature +-2℃, range humidity 20-90%rh, temperature 0~50℃. I bought a good package of modules, the top with a pull-up resistor, directly to the Raspberry Pi can be gray, purple, blue respectively represents data, 3.3V, 0V, to the Raspberry
0. Power supply is micro USB (Android power connector)
1. Download the operating system from the official website and write the memory card with Win32diskimager.
2. Locate the IP and set the static IP under the router:
Command: sudo vi/etc/network/interfaces
Switch
Auto LoIface Lo inet LoopbackIface eth0 inet StaticAddress 192.168.1.88Netmask 255.255.255.0Gateway 192.168.1.1Allow-hotplug Wlan0Iface Wlan0 inet ManualWpa-roam/etc/wpa_supplicant/wpa_supplicant.conf
3. Computer network cable direct
Original link: http://www.findspace.name/res/1184Reprint Please specifyHardware environmentRaspberry Pi B + one (I'm using the Debian environment)One PC (or other device to directly operate PI on the line)Wireless card (can be used on the line, but the powerful wireless card will do less, I use 3070)
Find Note:
Wireless network card is not any line, need to support the listening mode can
Recently, the company came to a Raspberry Pi board, is a drawback, although only the size of the slap, but perfectly formed! The optical USB port has 4, also has the HDMI port, the network port and the microUSB port, the power supply only needs a 5V charger, namely the general Android Charger can give him power. But it's such a small board that can run win10!Yes, you can really run win10, but it's not the t
Haha, you listen to the right!Using the Raspberry Pi can make a radio station, let your radio station to put their favorite music, is so capricious!?First, a bunch of geniuses at Imperial College in the UK (for the school that took the big 3D glasses a while ago) wrote a program that could send broadcasts on the Raspberry
The raspberry Pi2, introduced in February 2015, cannot be installed Lazarus with the previous method, and when installing the FPC, the following problem stops the installation.Find a solution from http://otapi.com/2015/02/10/raspberry-pi-2-freepascal-lazarus-and-delphi/:1. Installing Subversion and unzipSudo apt-get UpdateSudo Apt-get Install Subversion UNIZP2. g
Compile the Raspberry Pi 2 generation B OpenWrt firmware to implement the wireless router and nodogsplash authentication function. openwrtnodogsplash
Final function:
The main features of the wireless router, network port WAN Access, USB wireless Nic AP hotspot output, connected to wifi, jump to the authentication page, click the authentication to access the Internet, the effective time is 10 minutes, after
This is a creation in
Article, where the information may have evolved or changed. Today I turned over the old data and found something. When the company's servers were not in place (startups had no way).
Talking about the server, a colleague took out his raspberry Pi.
I think, I can do it. Go would have supported multiple platforms. Redis is written in C and should not be a problem.
Finally, although the m
. 4 3 Make sudo Make InstallCreate a soft link. this way, you can start Python 3.4.1 by playing Python3.The first line removes existing soft links to Python 3.2.3.The second line creates the/usr/bin/python3 this soft link to the Python 3.4.1.The third line creates a soft link for the PIP. PIP has been officially integrated into the python3.4, and it is convenient to install the third-party module on the P
tool)
Enter the following command in the command line to open the raspi-config tool:
sudo raspi-config
After you enter the command, the following page is displayed:
Select Item 8 advanced options and press Enter. Then select item 6 audio and press Enter:
Now you can see the default auto option and the list of the other two modes. Select one of the modes, press enter, press the right cursor control key to jump out of the option menu, and select finish to exit the Configuration tool.
2. If yo
Raspberry pi +opencv read camera
Call the camera on the Raspberry Pi, read each frame in the video stream, and use the canny edge detection to extract the edges in each frame, the final effect is as follows:
ReadVideo.cpp
#include "opencv2/opencv.hpp"
using namespace CV;
int main (int, char**)
{
videocapture ca
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