How to Use image effects on Raspberry Pi
Now you can use the Raspberry Pi camera module ("raspi cam") to add a variety of image effects to your photos, just like using a card camera. The raspistill command line tool provides a wide range of image effects options for Raspberry
Make full use of the SD card space in Raspberry Pi
Generally, a 4g sd or TF card is required to create a system image for Raspberry Pi, but do you know if your SD card is 8g or 16g or larger, after various types of Linux are created and started to enter the system, only SD cards within 4 GB can be used, while the other
Tags: Raspberry Pi sqlite0 PrefaceThis article describes how to use the SQLite database to store CPU temperature data in a Raspberry Pi. SQLite is a lightweight 0 configuration database that is ideal for use in Raspberry Pi and ot
software package is ready and can be released;
Iii. Cross-compiling source code
1. Environment
Ubuntu
2. Install Raspberry Pi cross compiling tool
Step1. download Raspberry Pi cross compiler tool https://github.com/raspberrypi/tools
Step 2: place the source code in a folder that users can share, such as/usr/tools.
Ste
[Raspberry Pi] USB wireless network card automatically connected
When the Raspberry Pi uses a USB wireless network card, it will not be dropped because the route is restarted.
#! /Bin/bashWhile true; doIf ifconfig wlan0 | grep-q "inet addr:"; thenSleep 60ElseEcho "Network connection down! Attempting reconnection ."Ifup
Raspberry Pi can do a lot of interesting things, it is equivalent to a small computer, installed on the system can be used as a small server home.
With this small server, you can implement an "offline" Download machine. But offline download here is not really offline, because the Raspberry Pi is still online-since the
Tags: Raspberry Pi sqlite python0 PrefaceThis article uses Python to insert the Raspberry Pi temperature data into the SQLite database, and the SQLite database contains a record table with only three fields-parameter name, time and temperature values. This article mainly explains Python operation SQLite's specific meth
Raspberry Pi B + timing to IoT Yeelink uploading CPU GPU temperatureHardware platform: Raspberry Pi B +Software platform:1 Installing the Requests LibraryFirst we have to solve the requests library, when we send to Yeelink POST message will use: R = Requests.post (Apiurl, Headers=apiheaders, Data=json.dumps (payload))I
So that your computer can connect to Raspberry Pi without entering a password. You only need to generate an SSH key.
1. Check for existing SSH keys (check the existing SSK key)
First, check whether your computer (the device you use to connect to Raspberry Pi) has an SSH key:
ls ~/.ssh
If you see
Id_rsa.pubOr
Id_dsa.pu
Raspberry Pi System I was playing bad ....Probably ran a little bit of this thing, causing problems with the systemsudo apt-get UpgradeUpgrade feature: Update software without changing existing software settingsUse caution in this function!!! Because after the update may be the graphics card driver updated, resulting in the interface!!!I am now a typical Raspberry
Raspberry Pi configuration wireless hotspotMyth
I have been thinking about adding input and output devices to BananaPro over the past few days. I finally found that I had a problem with my own ideas. In addition to the media center, an input/output device is required for the upper part. In most cases, this is not required, it's just a misunderstanding that a super-small server that provides services treats
There should be a lot of students in how to use WiFi for Raspberry Pi connection encountered some bottlenecks, the internet said that generally need a router, in fact, we download a 360 free WiFi can, equivalent to the computer as a router to share the network, Xiang Fine steps are as follows:Step one: Download 360 free WiFi, set up your username and password.View 360 free WiFi IP address, enter ipconfig in
What is Raspberry Pi? You don't know? I went to Baidu, an interesting hardware.
Online shopping of a batch of accessories, finally arrived, 16 gb sd card, Raspberry Pi, Raspberry Pi box, heat sink (2 pieces of pure copper), dubang
Environment: Raspberry Pi, System Raspbian, System comes with two versions of Python and Pygame.1. ArtboardsThe procedure is as follows:1! /home/pi/game_1.py2 ImportPygame3 4width = 6405Height = 4806RADIUS = 1007Fill = 18 9Pygame.init ()#Initialize PygameTen Onewindow =Pygame.display.set_mode ((window, height)) AWindow.fill (Pygame. Color (255, 255, 255))#fill t
Setting up Windows Ten for IoT on your Raspberry PiThis week on the BUILD conference in San Francisco Microsoft released the first preview of the Windows IoT (Internet of Thi NGS) for Raspberry Pi 2 (AS-well-lovely devices like the Intel Galileo and Minnowboard Max).First, as I mentioned in February the Raspberry
! [GY-85] (http://images.cnblogs.com/cnblogs_com/hangxin1940/466697/o_gy85.jpg "GY-85 ")
9-axis IMU sensor (GY-85 module) can also be seen as three modules 'itg3205 Three-Axis Gyroscope sensor ''' adxl345 three-axis accelerator tilt sensor ''' hmc5883l Electronic Compass'
The GY-85 Module Interface is I2C and can be easily linked to the Arduino/Raspberry Pi.
# PreparationsMake sure the system has installed
To telnet to the Raspberry Pi GUI via vnc, the Raspberry Pi must have a VNC Server service installed on one side, and a few simple configurations are required to make the operation more convenient, as detailed steps below.1. Installing the VNC server component--tightvncserversudo Install Tightvncserver2. Set up a VNC p
Requirement
Without a network, a keyboard, or a monitor, controlling Raspberry Pi becomes a problem. I accidentally saw an article today.ArticleThat is, you can directly control the Raspberry Pi through the serial port. Give a decisive try. The effect is good. Share it with others!Pai_^ Preparation
Install a lamp environment for Raspberry Pi in the past two days, but there are too many things installed on it, and the default system space is occupied. But the SD card itself is 16 GB. What if I want to extend the Raspberry Pi to a larger space? I can continue to install the software only after the expansion. After
Use Raspberry Pi to implement chatbots. Raspberry Pi is used to implement a conversation robot. recently, Raspberry Pi is used to implement a robot that can communicate with people. RaspberryPi is the world's most popular micro-co
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