1. If you don’t know how to use the command line, you may need to use a graphical interface. Because the Raspberry Pi has an HDMI interface, you only need to buy an HDMI cable for a few dollars to connect to your desktop computer monitor or home TV. You can use the graphical interface of the Raspberry Pi! It should be noted here that you must wire it first and then turn it on. If you turn it on first and then wire it, there will be no display on the display! ! !
2. Many enthusiasts will use the charging head of their mobile phone to power the Raspberry Pi. It should be noted that the power plug should be as high as possible. Ordinary mobile phone plugs cannot be carried when there are many accessories, and the power of the power head is not enough. The working status of the Raspberry Pi will be unstable.
3. If you are going to use the official Raspberry Pi system, you can choose a card above 16G C10 to use it.
If you plan to use the 64-bit system of the Raspberry Pi fan base, you can choose the memory card according to the following table
It is recommended to use SDHC/XC-I+A1/V30+U3 or above
Cards below SDHC/XC-I+A1/V30+U3 are
not recommended to use the browser to watch videos and perform multitasking
Cards below SDHC/XC-I+U3 It is
not recommended to use a browser to watch videos and perform multitasking. It is
not recommended to use large memory applications
Cards below U3 It is
not recommended to use the browser to watch videos and perform multitasking. It is
not recommended to use large memory applications. It is
not recommended to use Google Chrome.
Cards of C10 and below are
not recommended
TF card type reference table
4. The shutdown command is
sudo poweroff /sudo shutdown
5. Open the setting command as
sudo raspi-config
6. The installation software instructions are
sudo apt-get install [软件名]
7. Install Chinese input method commands
sudo apt-get install scim-pinyin
8. Update source instructions
sudo nano /etc/apt/sources.list
9, add source
deb http://mirrors.aliyun.com/raspbian/raspbian/ buster main contrib non-free rpi
Update the update instructions after adding the source
sudo apt-get install update
sudo apt-get install upgrade
10. Tips for vim commands:
进入后要摁i进入insert模式敲写代码
保存时先摁esc再 ：wq 保存退出
删除时先推出编辑模式再x（删除一个字符）
移动光标是jkhl
翻页是ctrl+f或ctrl+b
11. Nano command
打开文件 nano [文件名]
复制：ALT+6
剪贴：Ctrl+K
粘贴：Ctrl+U
上一页：Ctrl+Y
下一页：Ctrl+V
保存：Ctrl+o
退出：Ctrl+x
12. The self-starting script should be added in the /etc/rc.local file
