Gpio Library core function, of course, is the operation of Gpio, Gpio is the "general input/Output" interface, such as lighting a LED, relays, or through the IIC SPI 1-wire and other protocols, read, write data, this is the use of Gpio, can say no gpio, Raspberry Pi can only be used as a small computer, with a gpio, it is upgraded to a controller. First of all, how to operate a digital volume (high and low
1. System Installation1.1. Download Ubuntu-mate Image: https://ubuntu-mate.org/raspberry-pi/Download SDFORMATTERV4: https://www.sdcard.org/downloads/formatter_4/Download win32diskimager:https://sourceforge.net/projects/win32diskimager/1.2. Prepare a TF card greater than 8GB, using SDFORMATTERV4 format TF1.3. Write Ubuntu-mate Mirror (ubuntu-mate-16.04-desktop-armhf-rasp
Tags: write ace use install data github size directory WhiteMethods for installing the official 32-bit system:1. Download the latest system image file from the official website and write to the TF card using the Raspberry Pi System recording tool. 2. Enable SSH connection: Create a new text file under the boot root of the burn and rename it to SSH3. Default user
This article describes how to use Python to easily implement Raspberry Pi's WEB control. If you need it, you can refer to it to show you the effect. I feel very satisfied. Please continue to read the full text:
Knowledge used: Python Bottle HTML Javascript JQuery Bootstrap AJAX, of course, linux
I'm going, so many ...... Let me start ......
First paste the final source code:
#! /Usr/bin/env python3from bottle import get, post, run, request, templa
1 using Remmina Remote Desktop
Ubuntu 14.04 comes with a remote desktop called Remmina remoteIt is easy to open the Raspberry Pi with VNC server enabled650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M01/6E/0E/wKiom1Vyi7jwu2ShAADuWbfO7PA812.jpg "title=" Selection_001.png "alt=" Wkiom1vyi7jwu2shaaduwbfo7pa812.jpg "/>, a raspberry link has been created.New
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, you can really run win10, but it's not the t
Today I turned over the old data and found something. When the company's servers were not in place (startups had no way).Talking about the server, a colleague took out his raspberry Pi.I think, I can do it. Go would have supported multiple platforms. Redis is written in C and should not be a problem.Finally, although the middle walk a little detour, but fortunately, can run up.Golang:1. Download the 1.4.2 source package from the official website. Do n
(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/
Network service networking restart or restart the Raspberry PiTest networking after reboot can be sudo apt-get update or open browser test via graphical interfaceIv. Possible problemsIf you set the default to enter the Raspberry Pi GUI, may enter a user login interface, but do not know the password, ctrl+alt+f1 command line mode.Raspberry
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
FileZilla on Windows to make an SFTP connection with the connection address starting with sftp://. You can no longer use stand-alone displays and keyboards."Timed Shutdown"sudo crontab-u root-eAdd the following content* * * */sbin/init 0"Start-up Run"sudo nano/etc/rc.localAdd the following contentsudo nohup python-u/home/pi/unlockhandler.py >/home/pi/unlockhandler.log
Mr. Kim. Wu
No.: mrkimwu
QQ: 1315371422
In the previous article "Raspberry Pi's Application in ID card verification", I briefly introduced and implemented the function of Raspberry Pi's reading with ID card. However, reading the local machine is far from enough.
The retrieved ID card information is sent to the remote backend server over the network for data query, judgment, and storage.
The following descr
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
# 1. The ssh,11 version released on Raspberry 15th is not turned on by default. # 2. Start the root user, after executing this command, you will be prompted to enter the root password two times, enter the password you want to set, and then execute sudo passwd root# Unlock root account sudo passwd--unlock root# 3. Update software sudo apt-get update-ysudo apt-get upgrade-y# 4. Installing CPUs and related se
1. Visit the website: http://www.airspayce.com/mikem/bcm2835/, the website provides a library file for the Raspberry Pi: Click to download click to download. Follow the prompts to install.2. In the example folder in bcm2835-1.4.2, which is the history file, open the Bink folder, and use Gcc-o blink blink-l bcm2835 to generate blink execution files.3. In the Blink
Go to a script written in Python that outputs the various states and data of the Raspberry Pi, including CPU temperature, CPU usage, memory usage, and hard disk usage.
Article from: Raspberry Pi Lab
First, create a script:
sudo nano get.py
Second, paste the following code: Bash
Import OS # Return CPU temperatu
Raspberry Pi has two audio output modes: hdmi and headphone interfaces. You can switch between the two modes at any time.
If your HDMI monitor has a built-in speaker, the audio can be played through the HDMI interface. You can also switch to the headset interface to use the speaker of the headset or other headset interface to play the video. If your monitor requests support from the speaker, the sound is ou
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 the latest Linux kernel for compiling and inst
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
driver=nl80211 (some may be rtl871xdrv, I can't, hint "unknown")
#共享网络的SSID是RaspberryPi
Ssid=raspberrypi (WiFi name)
# NIC works in 802.11G mode
Hw_mode=g
#无线网卡选用11信道
channel=11
# WPA2 Configuration
wpa=2
#wpa密码是raspberry
Wpa_passphrase=raspberry (wifi password)
#认证方式为WPA-psk encryption method is CCMP
Wpa_key_m
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