We have explained in detail the Raspberry Pi control ultrasonic module ranging (http://www.cnblogs.com/yuemo/p/8888342.html) and ultrasonic control buzzer module audible (http://www.cnblogs.com/ yuemo/p/8906111.html).Today we'll see how to apply all two modules and make an anti-theft device.First look at the connection of each pin (requires seven mother-to-female DuPont line):Ultrasonic module:1.VCC: Connec
0. Preface
This article describes how to install OpenCV in the Raspberry Pi by compiling the source code, and a simple example of how to use OpenCV. For more information, please refer to-"Raspberry Pi Study notes-index Blog"1. Download several dependencies it is a good idea to update the
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 NOOBS preinstalled, available-for£4 at the Swag Store. Alternatively, if you have a SD ca
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
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 $500, such as those produced by Synology DiskStation. But you can build a low-energy network storage platform-and especially suitable for those who are tired of the National Security Agency's data monitoring, you can store the data in this "
The dynamic IP address of the Raspberry Pi was not read before Windows7, so moved to Ubuntu,The Raspberry Pi is plugged in, a network cable connects both ends (PC, Raspberry Pi)Ctrl +alt+t Open TerminalSu and switch to root userIn
0. PrefaceWhy do you want to use cross-compilation for "1"
The speed at which the cross-compilation tool is developed faster. The Raspberry Pi has already installed the GCC toolchain, which can be compiled directly from the Raspberry Pi source code to generate the executable file. At the same time, the PC can also use
Http://conanwhf.gitcafe.io/2016/01/30/rpi-protocol/?hmsr=toutiao.ioutm_medium=toutiao.ioutm_source= Toutiao.io
implementation of several simple protocols on Raspberry Pi posted on 2016-01-30 | Categories in Raspberrypi | No Comments
The procrastination of his own is really disciplining, this is a delay to abandon the article. Fast New Year, how can not be dragged into the years after the spirit, clear the
1 , configuration options:The first time a Raspberry Pi is used, a simple configuration is required to run the following command in command-line mode:$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 the root partition to the entire SD card (the Raspbe
If you're bored with a smart home that just has to download a specific app to control a light, here's the good news: Openhab can give you the most flexible control of smart home, Openhab is a mature, open source home automation platform that can run a lot of software, There is no agreement, which means it can now be connected to almost all of the home automation hardware on the market.Here we will show you how to install and launch the free smart home system.We first use
Today when I tried to connect the Raspberry Pi with SSH, I found that the Raspberry Pi did not open the SSH service.I don't have a monitor, I don't have an external keyboard.So, I pulled the Raspberry Pi hard drive (memory card) a
Environment: Raspbian-stretch (2018-06-27)Raspberry Pi: 3 generation B Type1, Raspberry Pi equipment, need to be in the field can also have independent networking capabilities, it is necessary to use the Internet of Things module.The SIM868 communication module for micro-snow is used here, such as:2, will SIM868 insert
The latest version of the 2017-03-02 version of the Raspberry Pi system does not directly SSH login issues
Last night when installing the latest Raspbian system using Raspberry Pi 3 (2017-03-02), there was a problem:
There is no HDMI monitor on hand, so you can only use SSH to connect to the
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 Raspberry
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 default from the SD card boot. Just realized pu
First recommend a few mobile phone software in the cool Ann network should be able to find1.JuiceSSH Orange SSH software mobile phone connected to the router can control the LAN in the Raspberry Pi2.VNC Viewer Remote Desktop software VNC is also a LAN-connected Raspberry PiThese software is still very useful, do not want to open the computer, you can control the Raspber
Your Linux distribution may already contain the Remote Desktop Viewer program, which you can use to connect your Raspberry Pi with VNC. This program can usually be found under the Applications/internet menu (the following is an example of Ubuntu);Once you select the Remote Desktop Viewer program and click the Connect button, you will see the following dialog box. Select VNC in the Protocol (Protocol) option
1,apache Introduction:Apache is the world's first-ranking Web Server software . It can run on almost all of the widely used computers platform Because of its cross-platform and security is widely used, is the most popular Web server-side software. For more information, see: " Baidu Encyclopedia- Apache" " Wikipedia -apache HTTP Server "2, install Apache to Raspberry Pi:Apt-get Install Apache2Want to continue[y/n]? When entering Y,
One: Perform an upgrade on the Raspberry Pi:
1 : Updating the software source
$ sudo apt-get update
2 : Replace the old package
$ sudo apt-getupgrade
3 : Perform a Raspberry Pi firmware upgrade:
1, Raspberry Pi firmware: Can be
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