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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 assembly and operating system installationFirst, the original Raspberry Pi1, Raspberry Pi 2 Model B Development Board2, SD card (this experiment project selects memory 8G SD card)3, network cable a root4, HDMI cable 1

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

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

device to the common Nic, and then connect to the Internet through the NIC. That is, the NAT structure mentioned above. Next, we need to configure the NAT address table to open/etc/sysctl.confAdd the following configuration file to the last line of the file: net.ipv4.ip_forward=1 Then, start NAT in the kernel: sudo iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADEsudo iptables -A FORWARD -i eth0 -o wlan0 -m state --state RELATED,ESTABLISHED -j ACCEPTsudo iptables -A FORWARD -i wlan0 -o eth0

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

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 (

running in the background, first use the following command.FgIt will force it to run for the foreground, and then you can use ctrl-c to stop.It has been tested in several aspects.First, close my WiFi access point. This script does not detect network connections and begins to try to force a connection. After several minutes, connect the power supply access point again.In another experiment, I deleted the MAC address from the address list and allowed the MAC address filtering of the Access Point.

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

Raspberry PI 3 to create a music player 1. Software Environment sudo apt-get update sudo apt-get upgrade sudo apt-get install mplayer2//music playback software sudo apt-get install Alsamixergui//volume control 2. Prepare the song Find a song. MP3 Songs Here is a: wget Http://blog.lxx1.com/wp-content/uploads/2016/07/shero.mp3 3, set the

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

xtightvncviewer package: sudo apt-get install xtightvncviewer -For other platforms, you can download TightVNC from tightvnc.com. Automation and run at boot (Automatic startup) You can create a simple file on Raspberry Pi and save some commands to run the VNC service. Save the commands so that you do not need to remember them again: -Create a file containing the following shell script: #!/bin/shvncserver :

Installing ROS Indigo on the Raspberry PiDescription:this instruction covers the installation of ROS Indigo on the original Raspberry Pi with Raspbian.Keywords:raspberry Pi, Setup, IndigoContents1 IntroductionThis tutorial explains how to install ROS Indigo from source on the Raspb