the power LED light on the small pie.Testing and ConfigurationIf you're using a Mac, all you have to do is open a terminal window and type the following command:Screen/dev/cu. pl2303-00001004 115200Screen/dev/cu. pl2303-00001004 115200The name of the device may be slightly different from mine. So when you type into "cu.pl", press the TAB key and it automatically complements your device name, and then type 115200 (this is the baud rate).If you are using Linux, use the following command:sudo scre
Terminal or Putty to select a Comport and set the baud rate to 115200. Start connection
SetPl2303Insert USB into the computer and start Raspberry Pi
Sudo KermitOpen Kermit
InputCAnd press enter to view some output information during Raspberry Pi startup.
Aft
same as the previous cont.
routines, Ssh+vnc.
Now the small partners, whether it is the network cable straight, or WiFi hotspot we are connected to small pi, in order to later we can the small Pi overlord the bow, we have to prepare some tools--ssh and VNC. reason: ssh+vnc simple rough Connection Small pi Brief Intro
xtightvncviewer package:
sudo apt-get install xtightvncviewer
-For other platforms, you can download TightVNC from tightvnc.com.
Automation and run at boot (Automatic startup)
You can create a simple file on Raspberry Pi and save some commands to run the VNC service. Save the commands so that you do not need to remember them again:
-Create a file containing the following shell script:
#!/bin/shvncserver :
Raspberry PI 3 to create a music player
1. Software Environment
sudo apt-get update
sudo apt-get upgrade
sudo apt-get install mplayer2//music playback software
sudo apt-get install Alsamixergui//volume control
2. Prepare the song
Find a song. MP3 Songs
Here is a: wget Http://blog.lxx1.com/wp-content/uploads/2016/07/shero.mp3
3, set the
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
=Bayi1366x768 60hzhdmi_mode= the1080p 60hzhdmi_mode= the1600x900reduced Blankinghdmi_mode= -1920x1200 Reduced Blankinghdmi_mode= -720p 60hzhdmi_mode= the1366x768 reduced blankingView CodeConfig.txt file class specific parameter meaning, you can refer to the following documents:Http://www.shumeipai.net/thread-19043-1-1.html5, the Raspberry Pi link on the display device, the SD card into the
Method one, software search: such as Ipscan or IpscannerIpscan is used here.The green sign is the Raspberry Pi that you can find in use.Second, find the IP address of the Raspberry Pi.Run the DOS window and enter Arp–a. The Raspberry Pi is one of the dynamic addresses.、Third
Raspberry PI board because the cost is not add wireless module, do not want to be bound by the network cable, we need to own a USB wireless module. When buying the board, see the official recommended Edup wireless card, the price is appropriate, directly started.Using REALTEK8188 chip, 802.11n, transmission speed 150Mbps, the applicable range of 130 square meters.Plug it into any U-port, such as:Because the
Tags: where prompt ima start update als/etc allow accessDemandInstall the MySQL service on the Raspberry Pi and turn on remote accessSteps to install MySQL server$ sudo apt-get install Mysql-serverI thought the middle will let me prompt input database root password, did not think smooth sailing, direct completion, I am going crazy, the password is what. Search found, you can use the following command, blank
Main references:0.https://www.raspberrypi.org/forums/viewtopic.php?p=462982#p4629821.https://www.maketecheasier.com/set-up-raspberry-pi-as-wireless-access-point/2.http://www.jenssegers.be/43/realtek-rtl8188-based-access-point-on-raspberry-pi3.https://www.embbnux.com/2015/02/08/setup_raspberry_to_wifi_access_point_with_
ObjectiveIn the previous article, "Raspberry pi set automatic dialing, build no-line by environment" , the author uses HOSTAPD and UDHCPD programs to create wireless hotspots to achieve address assignment and DNS server settings. This article will make improvements to the Raspberry
0. PrefaceRaspberry Pi can be painless starter Linux, which controls the Raspberry Pi gpio through command and shell scripting. With this article you can familiarize yourself with multiple Linux commands and familiarize yourself with the shell scripting methods and have a basic understanding of IO redirection. I learned in the process of
Prepare
Raspberry Pi Development Board ( Click here to purchase ) (has been brushed into the official Raspbian system )
USB to Serial board ( click here to buy )
DuPont Line (4 root)
Connection
串口板 树莓派--------------------VCC +5V(非必须)RX TXD(GPIO15)TX RXD(GPIO14)GND Ground Raspberry
a more complex input with timing. Here are two points to note: The SetMode is in BCM mode, and the pin used is the same as the BCM number corresponding to the pin graph. You can also set the physical PIN number to use SetMode (GPIO). BOARD). The input/output mode is input when receiving data/status relative to host or Raspberry Pi, output i²c
I²c can be a bus to
reader, burn write system to start!?
Open the USB Image Tool
The upper-left corner is device Mode, not volume mode!
Rescan Select the extracted img file after download
Write to wait for the progress bar to complete.
Cause of error
USB Image Tool must be run with administrator privileges in the system above Win7
USB Image Tool operation requires the. NET environment to be loaded directly using the system default.
After writing, you can start the
Do you have an idle mobile hard drive or Raspberry Pi? You can use these to create a cheap and low-energy NAS. The final effect is definitely not as good as the NAS for $500, such as those produced by Synology DiskStation. But you can build a low-energy network storage platform-and especially suitable for those who are tired of the National Security Agency's data monitoring, you can store the data in this "
The latest is:https://www.offensive-security.com/kali-linux-arm-images/According to the official website is unable to find the Raspberry Pi version of the sha1sum and SHA1SUMS.GPG files, so the official network below the verification can not continue to do:Use Win32diskimager to write the downloaded image to the TF card, connect to HDMI, the screen will display normally until the login screen, using the roo
.
source. BASHRC
"4" Simple test
In order to test whether the cross tool chain is installed successfully, you can enter the output in the ARM-BCM2708-LINUX-GNUEABI-GCC-V console in the console to verify that the cross-tool chain is installed and that the environment variable is set correctly.
Figure 1 ARM-LINUX-GNUEABIHF-GCC version information
2. A simple exampleWrite a test file, complete the compilation on the PC and upload it to the
SD Formatter, select the your SD card and format it.
DRAG and DROP NOOBS FILES
Once your SD card have been formatted, drag all the files in the extracted NOOBS folder and drop them onto the SD card Driv E.
The necessary files would then is transferred to your SD card.
When this process had finished, safely remove the SD card and insert it into your Raspberry Pi.
First BOOT
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