Raspberry Pi Learning Note 1-Hardware requirements and installation of the Raspbian system

Raspberry Pi--a card-type machine that is based on the size of a Linux system and has only a credit card size. Raspberry According to the inventor's idea, he was designed to reduce the cost of learning program development. You can understand it as a rudimentary version of the computer. Raspberry Pi This is a card that you need to buy all kinds of peripherals and then DIY whatever you want and you can work on it.

Note: I am using the latest B + board.

One: Hardware requirements

Not much to say, we first look at the most basic hardware requirements.

This requires the above few to use a full Raspberry Pi. Raspberry Party Peripheral requirements are relatively strict, many peripherals may not be able to support, this can be bought when asked the merchant.

1, wireless card can not be used, directly connected with a network cable.

2, you can add a heatsink and a machine box.

3, the special requirements of the power supply is 5v/2a, or the peripheral may not move, or other problems. The power supply should be sufficient.

4, keyboard and mouse can be used in our usual kind, I will not post it out.

5, the monitor can use its own, I have a desktop monitor, bought an HDMI to VGA port line, you need to purchase according to their actual situation.

Two: Install the Raspbian system.

This is the official website system, the first time you can consider installing this, and then slowly.

Install under Windows:

1, download Raspbian system, B + board available system can be downloaded here (if the earlier system may not recognize the peripheral), download at the same time, do not empty, here download WinXP and Win7 Install the image tool Win32diskimager.

2, download after the completion of your purchase of TF card (recommended 8G high speed card, because the Raspberry Pi itself is no disk, running is on the TF card, so the speed of the card to determine the speed of the system to run. ), plugged into the computer via a card reader. Unzip the Raspbian System package, get the img file,

It is recommended to use a card reader, you use the cardholder and use the laptop with the SD card slot system can cause problems, that is, reported to write success, but in fact did not succeed.

3. Open the Win32diskimager program. Select the img file and TF card arranged in the 2nd step, which is basically the H drive. Click the Write button and wait for the write successful pop-up window to be ready. The length of time to see your TF card reading speed.

4. Under Windows, or under Mac, enter the SD card (or TF card) to install the system, locate the Config.txt, and modify the configuration file. Modified the Config.txt code as follows (copy directly, paste into the SD card inside the Config.txt file inside, save can):

hdmi_ignore_edid=0xa5000080hdmi_force_hotplug=1hdmi_group=2  Hdmi_mode=hdmi_drive=2config_hdmi_boost=4Sdtv_mode =2arm_freq=

simply put, this parameter: hdmi_mode=4 is the resolution of your monitor , you can adjust according to your own monitor, how to adjust the specific look at this:

DMT Resolution The following is the resolution used by the computer monitor. The hdmi_group of these resolutions=2. Hdmi_mode=1640x35085hzhdmi_mode=2640x40085hzhdmi_mode=3720x40085hzhdmi_mode=4640x48060hzhdmi_mode=5640x48072hzhdmi_mode=6640x48075hzhdmi_mode=7640x48085hzhdmi_mode=8800x60056hzhdmi_mode=9800x60060hzhdmi_mode=Ten800x60072hzhdmi_mode= One800x60075hzhdmi_mode= A800x60085hzhdmi_mode= -800x600120hzhdmi_mode= -848x480 60hzhdmi_mode= the1024x768 43Hz do not Usehdmi_mode= -1024x768 60hzhdmi_mode= -1024x768 70hzhdmi_mode= -1024x768 75hzhdmi_mode= +1024x768 85hzhdmi_mode= -1024x768 120hzhdmi_mode= +1152x864 75hzhdmi_mode= A1280x768reduced Blankinghdmi_mode= at1280x76860hzhdmi_mode= -1280x76875hzhdmi_mode= -1280x76885hzhdmi_mode= -1280x768120Hz Reduced Blankinghdmi_mode= -1280x800reduced Blankinghdmi_mode= -1280x80060hzhdmi_mode= in1280x80075hzhdmi_mode= -1280x80085hzhdmi_mode= to1280x800120Hz Reduced Blankinghdmi_mode= +1280x96060hzhdmi_mode= -1280x96085hzhdmi_mode= the1280x960120Hz Reduced Blankinghdmi_mode= *1280x102460hzhdmi_mode= $1280x102475hzhdmi_mode=Panax Notoginseng1280x102485hzhdmi_mode= -1280x1024120Hz Reduced Blankinghdmi_mode= the1360x76860hzhdmi_mode= +1360x768120Hz Reduced Blankinghdmi_mode= A1400x1050reduced Blankinghdmi_mode= the1400x105060hzhdmi_mode= +1400x105075hzhdmi_mode= -1400x105085hzhdmi_mode= $1400x1050120Hz Reduced Blankinghdmi_mode= $1440x900reduced Blankinghdmi_mode= -1440x90060hzhdmi_mode= -1440x90075hzhdmi_mode= the1440x90085hzhdmi_mode= -1440x900120Hz Reduced Blankinghdmi_mode=Wuyi1600x120060hzhdmi_mode= the1600x120065hzhdmi_mode= -1600x120070hzhdmi_mode= Wu1600x120075hzhdmi_mode= -1600x120085hzhdmi_mode= About1600x1200120Hz Reduced Blankinghdmi_mode= $1680x1050reduced Blankinghdmi_mode= -1680x105060hzhdmi_mode= -1680x105075hzhdmi_mode= -1680x105085hzhdmi_mode= A1680x1050120Hz Reduced Blankinghdmi_mode= +1792x1344 60hzhdmi_mode= the1792x1344 75hzhdmi_mode= -1792x1344 120Hz Reduced Blankinghdmi_mode= $1856x1392 60hzhdmi_mode= the1856x1392 75hzhdmi_mode= the1856x1392 120Hz Reduced Blankinghdmi_mode= the1920x1200reduced Blankinghdmi_mode= the1920x120060hzhdmi_mode= -1920x120075hzhdmi_mode= in1920x120085hzhdmi_mode= the1920x1200120Hz Reduced Blankinghdmi_mode= the1920x144060hzhdmi_mode= About1920x144075hzhdmi_mode= the1920x1440120Hz Reduced Blankinghdmi_mode= the2560x1600reduced Blankinghdmi_mode= the2560x160060hzhdmi_mode= +2560x160075hzhdmi_mode= -2560x160085hzhdmi_mode= the2560x1600120Hz Reduced Blankinghdmi_mode=Bayi1366x768 60hzhdmi_mode= the1080p 60hzhdmi_mode= the1600x900reduced Blankinghdmi_mode= -1920x1200 Reduced Blankinghdmi_mode= -720p 60hzhdmi_mode= the1366x768 reduced blanking

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Config.txt file class specific parameter meaning, you can refer to the following documents:

Http://www.shumeipai.net/thread-19043-1-1.html

5, the Raspberry Pi link on the display device, the SD card into the Raspberry Pi back card slot, connect the Internet line, connected to the mouse, connect the monitor, finally plug in the switch power cord, click on the switch, start the Raspberry Pi.

After the power supply, the board will have a red and a green two LED lights, while the network mouth lights will be lit. If there is a problem with mouse keys or other peripherals during system initialization, there may be two reasons: 1, power is not enough, 2, the system version is incorrect, the latest version is required.

6, the initial installation system into the system, will display a Raspi-config session interface, you can set the system language, expand the SD card, enter the boot into the desktop (the default is to enter the terminal) and so on. You can view the following links: http://www.shumeipai.net/thread-13928-1-1.html

After completing the above steps, the system installation is finished and you can go to the desktop. Look.

Reference: http://www.shumeipai.net/forum.php