GuideLike many linuxjournal readers, I have also lived in today's very popular "tech nomads" life, between networks, from one access point to another, where we are in different parts of the real world and remain connected to the Internet and other networks we use on a daily basis. Recently I have found that more and more network environments are starting to block common ports such as SMTP (port), SSH (Port 22), and so on. When you walk into a café and want to SSH into one of your servers to do s
With Raspberry Pi, but without an hdmi monitor, this is a pain point, but Raspberry Pi is Raspberry Pi, and his GPIO pin is where we can use our imagination. you can use its GPIO pins to drive a display. GOOGLE, this project has b
The Internet of Things (IoT) and Bitcoin (Bitcoin) are all fun new things today, so what's the point of putting them together? In short, it is the use of Bitcoin networks for secure, autonomous trading of transactions involving computing resources, storage resources, bandwidth, data, and even public displays that can help other devices display content. The middle will involve sensors, IoT short-range communication protocols, cryptographic currencies and block chains, MapReduce and Hadoop, machin
While many articles mention how Raspberry Raspberry Pi installs cups to implement shared printer services, I have tried to find out for myself that HP P1007 is always unusable, tossing for a long time and finally finding a way to record it.The default Raspberry Raspberry
Raspberry Pi speaker, using a shairport
A private cloud service owncloud, can be anywhere, including the use of mobile phones, upload download files, synchronization calendar and so on. This service is relatively slow, is the only one let me buy a new version of Pi reasons.
An alarm clock, the hour will Chime (the first time in the morning is the daughter sh
Raspberry Pi (Raspberry Pi) is produced in the UK. Raspberry Pi is a credit card size computer, and the price is very cheap, there are two models, type A and type B.
A type has 256M memory, a USB interface, no network cable socke
http://wangye.org/blog/archives/845/Recently began to toss up Raspberry Pi came, because somewhere in the internet need Ruijie dialing, so I would like to be able to let my Raspberry Pi do, of course, first of all to transform it into a router, the default comes with the network as a WAN port, we also lack a network po
Raspberry Pi Raspbian and raspberry raspbianRaspberry Pi Raspbian recorded the process of installing Raspberry Pi for the first time and implementing Intranet penetration through peanut shells.
5. Connect to
Raspberry Pi-Sonic Pi (sound programming), sonicpi
Sonic Pi is an open-source programming environment designed to explore and teach programming concepts by creating sound production music processes.
The Code executed by Sonic Pi is based on Ruby, which is a beautiful and con
Rc. local file of Raspberry Pi (set startup), raspberry rc. local
To run a command or program when Raspberry Pi is started, you need to add the commandRc. localFile. This is useful when you want to run the program directly without configuring it after
Raspberry Pi 3+ros Kinetic version
Remote PC +ros Indigo version
First turn on the Raspberry Pi camera function
sudo raspi-config
Start Camera function
and restart the Raspberry Pi.
Open the
0 environmentLinux hosts os:ubuntu14.04 64-bit, running on WMware workstation 10 virtual machinesRaspberry Pi Version: Raspberry Pi 2 Type B.Raspberry Pi Os:debian Jessie Raspbian Jessie1 Raspberry Pi Start-up processThe boot proc
The Linux used by the Raspberry Pi is the Debian system, so the Raspberry Pi enable root and Debian are the same. The root account in Debian does not have a default password, but the account is locked. When root privileges are required, the default account is executed via sudo, and the Raspbian in the
With a limited number of Raspberry Pi Gpio ports, you can easily extend more GPIO interfaces by connecting the Arduinuo.In general, the Arduino IDE is developed using an ordinary PC or laptop.This article describes how to install the Arduino IDE on raspberry, and all of the operations are done in the Raspberry
First, install the Raspberry Pi and Arduino development environment
1, Arduino development environment in the previous article has been explained that the need for friends can see "Arduino Control two motor Movement" this blog post.
2. Building a Raspberry Pi serial communication development environment
(1) Install Py
[Raspberry Pi] enables the root account and raspberry enables the root account
Raspberry Pi uses the debian system in linux, So Raspberry Pi uses the same root and debian.
The root
Raspberry Pi builds and installs mysql, raspberry builds mysql
Recently, I started a Raspberry Pi with a whimsical attempt to build a small household server, which has been around for 7x24 hours at home.
It is really very small, only a big slap, bought some accessories for
The Linux used by the Raspberry Pi is the Debian system, so the Raspberry Pi enable root and Debian are the same.The root account in Debian does not have a default password, but the account is locked.When root privileges are required, the default account is executed via sudo, and the Raspbian in the
"Original link": http://www.cnblogs.com/atsats/p/6666848.htmlGeneral Robotframework are installed on the PC of Windows/linux, here will be a brief introduction on the Raspberry Pi hardware platform configuration robotframework development and operating environment.With the automated test software configured on the Raspberry P
sleep 0.5 play 62 sleep 0.5 play 64 sleep 0.5 play 60 sleep 0.5end
You can enter frere to call this method later. For example, call in a loop:
4.times do frereend
6. Synths (synthesizer)
The synthesizer enables the play method to make different sound effects. The default synthesizer is "pretty_bell", but you can change it by yourself:
"pretty_bell""dull_bell""beep""saw_beep""fm"
Try different synthesizer:
with_synth "fm"2.times do play 60 sleep 0.5 play 62 sleep 0.5end
7. threads
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.