0 PrefaceThis article describes how to control the Raspberry Pi gpio port through the file IO sysfs. Control gpio through sysfs, first access the/sys/class/gpio directory, write the gpio number to the export file, so that the operation interface of this gpio is exposed from the kernel space to the user space, gpio operation interfaces include ction and value. Direction controls the gpio direction, while val
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
Tags: Raspberry Pi CPU Temperature0 PrefaceThis article through the Python SQLite query Raspberry Pi CPU temperature history data, in the previous blog post has introduced the Raspberry Pi CPU temperature acquisition, SQLite opera
The DHT11 is a temperature and humidity sensor with calibrated digital signal output. Precision humidity +-5%RH, temperature +-2℃, range humidity 20-90%rh, temperature 0~50℃. I bought a good package of modules, the top with a pull-up resistor, directly to the Raspberry Pi can be gray, purple, blue respectively represents data, 3.3V, 0V, to the Raspberry
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
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
Connect to Raspberry Pi's X-Windows GUI on OS X
It took me a few minutes to install the Raspberry Pi. the installation process is simple. connect the mouse, keyboard, Wi-Fi adapter (dongle), and power supply. select the operating system in the pop-up menu after startup. I chose Raspian. wait until it enters the system.
I am not a cold-blooded animal-dare to put
Geek DIY: Uses Raspberry Pi to create a four-axis drone
If you want to DIY a drone of your own, you can read this article and it may be helpful to you.
The main parts used in this project are mainly from Erle Robotics (an open-source four-axis aircraft project using Linux ). The author of this article does not work for this company. If you are interested in this scenario, you can also focus on basic proje
Implementing a dialogue robot with Raspberry Pi
Recently, we have implemented a robot that can talk to people with Raspberry Pi, a brief introduction.
Raspberry Pi is the world's most popular micro-computer motherboard, is the le
Summer vacation to play Raspberry Pi, encountered many problems, so the mind to put these basic problems and solutions to organize, convenient for others and later on their own inspection.
Raspberry PI System formatting
Sometimes the system crashes and cannot continue to use. such as updating the software when the
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
software Download1. Quick Boot GuideEnglish version. pdfChinese version. doc2.SD Card Format tool, optional.SD Formatter 4.0 for SD/SDHC/SDXC3.NOOBS (ver:1.3.9), optional.Noobs.zipNoobs itself is not the operating system, but the Raspberry Pi is the official recommended startup management software. With noobs, you can install the system without the mirror brush and Write tool, and you can reinstall the syst
Adafruit Raspberry Pi Tutorial Lesson five: Using the control cableTime 2014-05-09 01:11:20 geek Fan Original http://www.geekfan.net/9095/ Theme Raspberry Pi MacOS Linux This article is translated from adafruit.com by Geek fan-boyd Wang. Welcome to the Geek Translation team and join us in translating and sharing. Plea
Raspberry Pi on the Cloud (1): Environment preparationRaspberry Pi on the Cloud (2): Uploading sensor data to AWS IoT and leveraging Kibana for presentation1. Sensor installation and configuration 1.1 DHT22 installationThe DHT22 is a temperature and humidity sensor with 3 pins, the first pin on the left (#1) is the 3-5v power supply, the second pin (#2) is connec
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
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