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The simplest of a Raspberry Pi Gpio operation Getting started, here is a record of the followingFirst on the connection diagram:Horizontal slots. Figure Akzent The BigUsing the Gpio gnd and #18 pins, this is not, the red wire is 18 pins, the dark line is the GND pin, the following Python code:1 #Coding:utf-82 ImportGpi.gpio as GPIO3 Import Time4 5 Gpio.setmode (GPIO). BCM)6 gpio.setwarnings (False)7Gpio.set
1. Raspberry Pi has been on the black screen for some time, which is what we often call the suspend state. So please use the Xset tool to set it up.Xset s offXset DPMS 0 0 02.apt-cache Search: Find some of the necessary installation software3. Do not let the Raspberry Pi into the screensaver, is X Window's black screen
Cross-compiled raspberry pi 2 kernel in CentOS, centosraspberry
Cross-compilation toolchain in centos 6.6 x64 requires glibc-2.14 support (x86 is not needed), so first install the glibc-2.14
Install the relevant compilation tools before installation. Here I will install the entire group directly.
yum groupinstall "Development tools" -y
Download the glibc-2.14 sou
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 d
How to enable I2C device http://www.cnblogs.com/hangxin1940/archive/2013/04/02/2997077.html and build a python I2C Development Environment http://www.cnblogs.com/hangxin1940/archive/2013/04/03/2997094.html
Quick2wire is a python library used for I2C communication on Raspberry Pi. It allows non-root users to read and write gpio pins conveniently.
Why use it?
Some
Raspberry Pi New system replaced the specially optimized desktop environment pixel, just have an idle TF card decided to brush on the new version of the system to play. Many tutorials pages are simple to download the brush system process. Card, power on, release card on the remaining space is normal, because the official source of Raspberry
Raspiban wheezy is pre-installed Python3 is 3.2.3, this tutorial lets you upgrade to 3.4.1 (currently the latest version).I used a B-plus Raspberry Pi, which was released in 2014-06-20 by Raspbian Wheezy.The entire Raspbian system is upgraded to the latest, and may require a reboot after the upgrade.1 sudo Update 2 sudo upgradeLet's do it in the home directory of
effect:[Email protected]:~$ Exportfs-raVerify the Server for NFS locally. Mount the NFS server directory to a different directory on this machine and you can see the files in the NFS server directory under the mount point directory.[Email protected]:~$ ls/home/ky/nfs/Aaaa[Email protected]:~$ sudo mount-t NFS 127.0.0.1:/home/ky/nfs/mnt[Email protected]:~$ ls/mntAaaa[Email protected]:~$ sudo umount/mnt/Use the Development Board to verify that the NFS s
First, sign up for a NOIP account .Refer to this tutorial: http://www.cnblogs.com/infopi/p/3991407.htmlCreate a DirectoryLine 1th enters the current user's home directoryLine 2nd establishes the Noip subdirectory, line 3rd enters the Noip subdirectoryCD ~mkdir NoipCD NoipDownload Noip client source, installThe 1th line to download the source code, the 2nd line decompression source code, 3rd line into the extracted source directory4th line compilation,
The content of this article is Raspberry Pi python get GY-85 nine axis module information example, here using Python curses package development cli window program, used to refresh the sensor reading in real time, see the code first
GY-85.py:
The code is as follows:
#! /Usr/bin/python3#-*-Coding: UTF-8 -*-Import cursesFrom time impor
1, what is the raspberry pie.
Raspberry Pi (Chinese named "Raspberry Pie", abbreviated as RPi, or RASPI/RPI) is designed for students ' computer programming education, and only card-type computers with credit cards size are based on Linux.
The raspberry pie was developed
The Banana Pi bpi-m3 is a 8-core high performance single Board computer, and the Banana Pi Bpi-m3 is a more powerful four-core Android 5.1 product than a Raspberry Pi.Banana pi bpi-m3 Compatibility is powerful, can run Android system, Debian Linux,ubuntu Linux, Raspberry
Original: Win10 IoT C # development 1-raspberry Installing an IoT system and building a development environmentWindows IoT Core is one of Microsoft's key products for the internet of things, and unlike previous versions of Windows, it is designed for IoT devices, and hardware is not limited to the x86 architecture, but can also be run on an arm architecture.The
editing software to edit the module source code, my is hello.c
#include
2, edit makefile file, I this relatively simple is used for testing.
Obj-m: = hello.o
3, compile the module in the command line. -C parameter specifies the kernel source tree location, M is the module source directory. Modules didn't figure out what it was for.
Make-c ~/linux m=/home/pi/workspace Modules
4. The module's safety loading and unloading and its output view.
Insmod
The control interface of the lower machine of the transient D1 development platform reference: http://blog.csdn.net/EAIBOT/article/category/6204460Here we talk about how to use the Tree plum Pie (Raspberry Pi) and the lower machine connected to control the movement of the Sunco D1 development platform.The main points a
In the age of artificial intelligence, if you do not want to be replaced by robots, you should master programming. Python is the most popular programming language in 10 years, not only to develop Google, watercress and other large sites, but also the first language in the field of artificial intelligence. Well, I guess you want to ask where the Python development language Getting Started Tutorial is . 650)
(1,000000 ));In fact, there is one in PHP called? The uniqid () function is specifically used to do this:// Generate unique stringEcho uniqid ();/* Output4bd67c947233e*/// Generate another unique stringEcho uniqid ();/* Output4bd67c9472340*/You may notice that the first few digits of the generated ID are the same, because the generator depends on the system time, which is actually a very good function, because you can easily sort your IDs. This MD5 cannot be achieved.You can also add a prefix t
Address: http://www.script-tutorials.com/html5-game-development-lesson-1/
NextArticleNew things will be added. In this article, we created a graph with seven vertices and drew circles on these vertices, so that we can change the vertex position by dragging the circle.
We fill the image with a translucent color. This is enough for the beginning.
Step 1: HTML
Index.html
Step 2: CSS
CSS/main.css
/* General styles */* {margin: 0; padding
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