best usb hub for raspberry pi

Recently feel the use of mobile hard disk backup Mac computer is very inconvenient, because to take out the mobile hard disk, but also plug in the computer backup, looked at airport, but the price is too expensive, and can only be used for Mac backup and can not be used for other samba services, etc., feel less cost-effective, So I'm going to do a timemacheine and samba service, the Timemacheine service is used primarily for Mac backups, and samba is used to store some files on computers in the

If you want to use Raspberry Pi as a small server, the performance may be poor, but the stability must be ensured. The following describes how to improve the stability of Raspberry Pi on the network. 1) modify it in/etc/sysctl. confVM. min_free_kbytes(8192 to 16384) # RPI tweaksvm. swappiness = 1 # VM. min_free_kbyt

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 downloaded . NOOBS (new out of Box software) is a new setup program that makes it easy

One advantage of the Raspberry pi is that it has a strong video decoding capability, and it's a good option to use it to play video. It will be used for the next two seasons as a home media hub, and the XMBC software and RASPBMC distributions make this possible.First, XMBC and RASPBMCXMBC (soon to be renamed Kodi) is a leader in open source Media center software,

Raspberry Pi backup We strongly recommend that you regularly back up important files. Backup is usually not limited to user files, but also configuration files, databases, installed software, settings, and even system snapshots. Here we will guide you through some backup technologies to back up your Raspberry Pi system

Raspberry Pi launches Laboratory equipment:Hardware preparation:实验主板一块（树莓派）；5V/1A电源一个（手机电源）；microUSB线一根；USB-TTL串口线一根（FT232RL芯片或PL2303芯片）。PC一台（Mac OS）；路由器Software Requirements:PC上的USB-TTL串口线配套的驱动程序PC上的串口终端软件：minicomPC上的SSH软件（Mac自带）交叉编译软件 Experimental steps:Hardware preparation:连接串口线：串口线黑线接地，白线接GPIO14，绿线接GPIO15，如下：Power

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$ Mk

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 Inter

We strongly recommend that you regularly back up important files. Backup is usually not limited to user files, but also configuration files, databases, installed software, settings, and even system snapshots. Here we will guide you through some backup technologies to back up your Raspberry Pi system. Home folder (Home Directory) A better method for backing up the home directory is to useTarCommand to genera

Linux dual-Nic intranet/Internet settings (Raspberry Pi) Raspberry Pi dual-Nic internet/intranet settings, there are the following methods. 1) use a wired network to connect a PC to a gateway. 2) the other is wired to the intranet and wireless to the Internet. Www.2cto.com, even if there are multiple NICs in the config

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

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/

example:sudo apt-get update//upgrade List of packagessudo apt-get upgrade//upgrade all installed softwaresudo apt-get install vsftpd//download and install VSFTPD (an FTP server)sudo apt-get remove vsftpd//delete vsftpdApt-cache Search gcc Find a package named gcc in apt cacheDpkg-i 1.deb Installing a package named 1.debwget Download a file directly from the WebVI File editing commandsVI is not very useful, to remember a series of commands, not recommendedNano File Editing command Nano, this is

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 t

(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/

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,

Touch screen buy back for a long time no use, recently found that he is can touch. Tinker a bit.The personal use of Raspberry Pi is the official recommendation system, the version isThe best part of this version is that the kernel has compiled the Egalax touchscreen, and the Apt-get upgrade updates the system to use the touchscreen recently.Calibration of the touch screen is possible, the calibration tool x

1. Identify the internet cardWith the command LSUSB, you can continue down if you can identify it.2. Install the NIC driverThe Internet card will usually have 2 functions, one is a virtual CD-ROM, used to install the driver, and the other is a network connection modem.Under Linux, it is necessary to install the Usb-modeswitch driver to correctly identify and start the modem function of the NIC.sudo apt-get install

that the appropriate content is modified according to the actual situation: [Unit] Description=wireless Static IP Connectivity Wants=network.target Before=network.target [Service] Type=oneshot Remainafterexit=yes Environmentfile=/etc/conf.d/wifi EXECSTART=/SBIN/IP Link Set Dev wlan0 up EXECSTART=/SBIN/IP addr Add 192.168.34.1/24 broadcast 192.168.34.255 Dev Wlan0 EXECSTOP=/SBIN/IP addr Flush Dev Wlan0 EXECSTOP=/SBIN/IP Link Set Dev