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 Pi AP based on the previous environme
program, please visit the blog: https://www.cnblogs.com/lulipro/p/5992172.html
This experiment was first tried in a new field and has never previously been approached by Raspberry Pi based program development. At first, there were a lot of problems: 1. The Raspberry
Raspberry Pi--a card-type machine that is based on the size of a Linux system and has only a credit card size. Raspberry According to the inventor's idea, he was designed to reduce the cost of learning program development. You can
Http://conanwhf.gitcafe.io/2016/01/30/rpi-protocol/?hmsr=toutiao.ioutm_medium=toutiao.ioutm_source= Toutiao.io
implementation of several simple protocols on Raspberry Pi posted on 2016-01-30 | Categories in Raspberrypi | No Comments
The procrastination of his own is really disciplining, this is a delay to abandon the article. Fast New Year, how can not be dragge
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_rtl8188/4.http://www.christianix.de/linux-tut
0. PrefaceWhy do you want to use cross-compilation for "1"
The speed at which the cross-compilation tool is developed faster. The Raspberry Pi has already installed the GCC toolchain, which can be compiled directly from the Raspberry Pi source code to generate the executable file. At the same time, the PC can also use
Is Raspberry Pi able to use the serial port? The answer is yes. The specific method is as follows:
1. The third, fourth, and fifth ports in the first row of Raspberry Pi are respectively, that is, ports 6, 8, and 10 are respectively, TX and RX, respectively, and connected to the connected device. Note that the TX of
Tags: serve using more than open installation method to run the LAN via spanThe person who can see this blog note that the attempt failed, will find that the memory card after the flash into Ubuntu, unable to operate the Raspberry Pi via ssh. It is because the official Ubuntu system needs to set something for the first time, similar to the initial startup of Windows, if not set up, even the operation accoun
In this article you can learn: Berryboot use, Kali installation, open-hung mobaxterm, and tips on mounting via label and UUID. This article defaults to the Linux Foundation you have, and also for the level of just getting started, because this is my toss record. Do not know can leave a message or email. The first thing to be clear is that now is not completely out of the SD card method, because PI is the de
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 lea
make these aliases take effect later.
Command lines starting with "#" are commented out. To enable them, you only need to remove "#" And wait until your Raspberry Pi starts to activate these settings.
The. bash_aliases file is also referenced here. By default, this file does not exist:
If [-f ~ /. Bash_aliases]; then.~ /. Bash_aliasesFi
The if condition is used to check whether the file exists between the
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
-linaro-arm-linux-gnueabihf-raspbian-x64 are used for 64-bit machines.
Each cross-compilation tool has a bin directory in the directory to enter, execute./arm-linux-gnueabihf-gcc-v to view the GCC version.
I use ARM-RPI-4.9.3-LINUX-GNUEABIHF here because the GCC version on the board is now 4.9.3 3. Start compiling
3.1 Enter the Linux kernel directory:
$ CD ~/RASPBERRY/LINUX-RPI-4.4.Y
$ kernel=kernel7
$ make
NOOBS SETUPTo get started with Raspberry Pi need an operating system. NOOBS (New out of the Box software) are an easy operating system Install manager for the Raspberry Pi.How to GET and INSTALL NOOBSBUY A preinstalled SD CARDThe easiest-to-get NOOBS is to buy a SD card with
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 supply supplied by mobile phone power supply下载一个img文件:[https://www.raspberrypi.org/downlo
1 , configuration options:The first time a Raspberry Pi is used, a simple configuration is required to run the following command in command-line mode:$sudo Raspi-configThe new and old version of the configuration interface is not the same, the following list of two kinds of more common:
Expand_rootfs – Extend
. "; }}if($data = file_get_contents ($file)) {;//This function supports version (PHP 4 >= 4.3.0, PHP 5)Echo"the content written to the file is: $data";} ?>5. Code parsingThe Python version number used here is 2.7.13Import Timeimport serialReference Python's 2 class library time and the serial Port debug library serial, in order to implement the program debugging can be written, before using the serial serial debugging library, to achieve the Raspberry
Problem: "Unable to connect because the target computer is actively rejecting"
The first time to make Raspberry Pi, because the Raspberry Pi can not directly connect the monitor, so use remote connection, here, I use a network cable to connect the way, notebook and
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 g
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