= g # Top bottom = g # Bottom OpenURL = w # Open Song Home rate = R # Mark like/cancel like next = n # next Song bye = b # no longer play quit = q # exit pause = p # pause loop = L # single Loop mute = m # mute code /li>
Problems encounteredRaspberry Pi Interface cannot display ChineseUsing the command sudo raspi-config, use the SPACEBAR to tick the front with "zh-cn UTF-8" option.Then sudo rebootTo modify the encoding of the SSH client, take Xs
Enable Raspberry Pi camera without Raspi-config
ask:
HiI have installed the latest Ubuntu Mate on my Raspberry Pi2. I wanted to use the Raspberry Pi camera in this operating system. Although I installed the ' Picamera ' driver in it, the system can not be create the camera
Recently I used Raspberry Pi to create a Git private server for all my Git repositories. I spent some time to make everything work correctly, but now it can run.
Install Git
First, install Git on Raspberry Pi.Sudo apt-get install wget git-core
This will install the Git server and necessary client software.
Install SSH
-disk-utilityIn the graphic environment.
Then insert the microSD card back to Raspberry Pi 2 and start the system. At the first startup, it will automatically expand the partition to occupy the entire SD card.Kodi Chinese interface
OpenELEC is equipped with the latest Kodi 14.X development version, default skin, English interface. If you connect to a TV through HDMI, you can directly use the TV remote contr
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
A while ago to start a Raspberry Pi, the price of 200多 points, but with the purchase of Chargers, wireless card, memory card and so on, counted less said also has 300;Buy Raspberry Pi 2 B, the configuration is better than before.Because it is a novice, so at first did not buy the whole thing (did not buy memory card),
1. Change the password of pi account[Plain]View PlainCopyprint?
Password pi
2. Open the root accountThe Linux used by the Raspberry Pi is the Debian system, so the Raspberry Pi enable root and Debian are the same.Th
Raspberry Pi Raspberry the GpioRaspberry PI versions hardware schematic diagram: https://www.raspberrypi.org/documentation/hardware/raspberrypi/README.md configuration
Two x 5v,3.3v output ports
IO input/output voltage 0-3.3v
Output PWM Support
Two-way SPI bus
Two-way IIC bus
Serial
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
How to Build the Net and NodeJS runtime environments of Raspberry Pi, raspberry nodejs
The following are the resolutions used by computer monitors. Hdmi_group = 2hdmi_mode = 1 640x350 85Hzhdmi_mode = 2 640x400 85Hzhdmi_mode = 3 720x400 85Hzhdmi_mode = 4 640x480x640x480 72Hzhdmi_mode = 6 640x480 rows = 7 640x480 85Hzhdmi_mode = 8 800x600 56Hzhdmi_mode = 9 800x600
Compared to the Raspberry Pi 1 it has:
A 900MHz quad-core ARM cortex-a7 CPU
1GB RAM
Like the (Pi 1) Model B +, it also has:
4 USB Ports
GPIO Pins
Full HDMI port
Ethernet Port
Combined 3.5mm audio jack and composite video
Camera Interface (CSI)
Display Interface (DSI)
Micro SD Card Slot
Videocore IV 3D Graphics core
Becau
0 PrefaceThis article explains how to install Mosquitto on a Raspberry Pi. In this article, two simple examples of how to use the MQTT protocol for message subscriptions in the Raspberry Pi include the mosquitto_sub instruction to implement message subscriptions and Paho-python extension libraries to enable remote cont
With a network cable directly connected to the computer, not through the router. The biggest feature of this method is playing Raspberry Pi with the fewest tools.
Ready to work, burn Raspbian system to SD card. Just looked at the website under the new system download, http://www.raspberrypi.org/downloads/, the next 2014-01-07 that 1.3.4 version of the. Then format the SD card in fat format. I use the win7 s
navigation, however, it's fun-to-get a view from the robot eyesight.The camera mount part was also included in frame data on Thingiverse. The camera module can be fixed with a four M2 screws.Step 5:setup Local Pcinstall UbuntuInstall Ubuntu 16.04 Desktop following the official page
Ubuntu official page.
Install ROSPlase Consult ROS official page. Install Kinetic Desktop Full packages.
ROS Kinetic Installation Instructions
Raspberry Pi is abroad, which may be slower when used domestically, where the source is modified to the source provided by Aliyun . To facilitate my first installation of the Vim software, because it is not used to the Raspberry Pi with the VI software.
sudo apt-get updates
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
Raspberry Pi (Raspberrypi) common image high-speed downloadRaspberry Pi Official website in the domestic open speed is relatively slow, want to download the image may need to wait for a long time, in order to save time to download the image, I here to organize the Raspberry Pi
How to run Ubuntu Snappy Core in Raspberry Pi 2
The Internet of Things (IoT) era is approaching. Soon, in a few years, we will ask ourselves how we were able to survive without the Internet of Things, just as we now suspect that there was no mobile phone in the past. Canonical is a fast-growing but open-market competitor of Iot. The company claims to place its bet on IoT, just as they have done on the cloud
For many IoT applications, using a Raspberry Pi to build an intelligent gateway is no longer appropriate, but the market of those "XX smart", "XX center" direct seconds kill it!Hardware needs to be extended: SD card, WiFi, Bluetooth, USB hub,tft display.What software is needed: scripting engine, remote login service, Web server, messaging server, processing server, forwarding server, Smart Display software,
Raspberry Pi uses peanut shells for Internet access and raspberry peanut shells
Raspberrypi uses the Intranet ing of peanut shells.I. Raspberry Pi environment II. Required Software III. Operation Method IV. Additional instructions: these commands can be used only after the
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