Install Qt in Raspberry Pi
Blog link:Http://blog.csdn.net/jdh99, Author: jdh, reprinted please note.
Environment:
HOST: win7
Hardware: Raspberry Pi
Steps:
Reference: http://qt-project.org/wiki/apt-get_Qt4_on_the_Raspberry_Pi
firstly I got the development tools needed by QT creator
Prepare the hard driveAccording to the online introduction that if it is FAT or NTFS format may appear permissions problems, and then simply formatted as EXT4 format.Working with the Minitool Partition WizardWith a small USB flash drive, you can format the Raspberry Pi directly, the command is:mkfs-t EXT4/DEV/SDB1Installing SambaSet the shared folder to/samba$ Mkdir/sambaSet access Permissions$ chmod 777/sa
The previous article recorded the Raspberry Pi's own Gpio driver (http://www.cnblogs.com/umbrellary/p/5164148.html), in the bcm2708_ GPIO.C realizes the Gpio drive, but also realizes the drive of the interrupt controller, this paper records the implementation of the driver in the BCM2708_GPIO.C.A bcm2708_gpio_irq_init interrupt initialization function establishes a GPIO interrupt description tableStatic voidBcm2708_gpio_irq_init (structBcm2708_gpio *U
(recommended)-l,–ignore-locks ignore locked state reported by the target APIgnore the locked status reported by the target AP-e,–eap-terminate terminate each WPS session with an EAP FAIL packetTerminates the WPS process whenever an EAP failure packet is received-n,–nack Target AP always sends a nack [Auto]Always send Nack to target AP, default auto-w,–win7 Mimic a Windows 7 registrar [False]Analog win7 registration, default offReference:Http://lok.me/a/1972.htmlHttp://bao3.blogspot.com/2013/05/
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
1. System Installation1.1. Download Ubuntu-mate Image: https://ubuntu-mate.org/raspberry-pi/Download SDFORMATTERV4: https://www.sdcard.org/downloads/formatter_4/Download win32diskimager:https://sourceforge.net/projects/win32diskimager/1.2. Prepare a TF card greater than 8GB, using SDFORMATTERV4 format TF1.3. Write Ubuntu-mate Mirror (ubuntu-mate-16.04-desktop-armhf-rasp
Network service networking restart or restart the Raspberry PiTest networking after reboot can be sudo apt-get update or open browser test via graphical interfaceIv. Possible problemsIf you set the default to enter the Raspberry Pi GUI, may enter a user login interface, but do not know the password, ctrl+alt+f1 comman
Gpio Library core function, of course, is the operation of Gpio, Gpio is the "general input/Output" interface, such as lighting a LED, relays, or through the IIC SPI 1-wire and other protocols, read, write data, this is the use of Gpio, can say no gpio, Raspberry Pi can only be used as a small computer, with a gpio, it is upgraded to a controller. First of all, how to operate a digital volume (high and low
The activemq installed on the Raspberry Pi is basically the same as in other Linux distributions, except that there is a difference in opening the firewall port. Hardware information: Raspberry Pi type 3B, Raspbian systeminstallation//Download ACTIVEMQ installation package http://activemq.apache.org/download.htmlwget h
downloaded from official website.If you need to restore the TF card, you can burn bootsector image.To configure video output:Open the TF card on Windows, find Config.txt, modify the contentHdmi_force_hotplug=1hdmi_group=2Hdmi_mode=16hdmi_drive=2Config_hdmi_boost=4sdtv_mode=2arm_freq=800Plug the tf card, keyboard, HDMI cable, and other required peripherals into the RASPI and turn the power on.The first boot into the semi-graphical setup interface, select extended memory card space, modify the
IP address based on the MAC address.
Router Query MethodIf you have the permission to log on to a vro (such as a home network), you can directly query the IP address assigned by the vro to the access control card on the vro management interface.
2.2 front-end controller card reading display and uploading
Log on to the front-end access control panel. The IP address of the access control panel is the IP address (192.168.20.106 in this example) found in the preceding method. The default logon pas
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_supp
Raspberry Pi has two audio output modes: hdmi and headphone interfaces. You can switch between the two modes at any time.
If your HDMI monitor has a built-in speaker, the audio can be played through the HDMI interface. You can also switch to the headset interface to use the speaker of the headset or other headset interface to play the video. If your monitor requests support from the speaker, the sound is ou
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
#文中设置均基于最新版的Raspbian系统2016-Version 11
Raspbian in the desktop environment, the system will go into hibernation after a period of time. Tried some methods such as directly with Xset close DPMS, is not successful.
Raspbian uses a lightweight desktop display manager that is LIGHTDM, which allows you to set up Xserver desktop session interaction \ Display, and so on.
1. Open the terminal;
2. Edit/etc/lightdm/lightdm.conf
3. Locate the ' Xserver-command '
: Https://developer.microsoft.com/zh-cn/windows/iot/DownloadsDownload the install Windows IoT Core Dashboard First:When the installation is complete, prepare the SD card.Choose a good version of the SD card, set a good passwordPrompt SD card will be formattedThen there's the lengthy download processDownload completeStart writing to SD cardSD card Insert Raspberry Pi
Recently began to learn Python, the teacher let the deployment of the Python environment, deployed on the x86 platform is no pressure, think can not be a set of Raspberry Pi. Because using the Raspbian system and Debian is almost a problem when installing Mysql-python. Now record as follows:First Raspbian switch to root modeInstalling the Flask tool SetApt-get In
VSFTPD is an open source, lightweight, common FTP server. 1, install VSFTPD server (about 400KB) sudo apt-get install vsftpd 2, start FTP service sudo service vsftpd start 3, Edit vsftdp config file sudo nano/etc/vsftpd. conf find the following line, define Anonymous_enable=no means: Do not allow anonymous access Local_enable=yes set Local users can access.Write_enable=yes settings can be written local_umask=022 s
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
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