树莓派-环境配置sudo apt update && sudo apt upgrade #安装蓝牙,完成后重启 sudo

sudo apt update && sudo apt upgrade

#安装蓝牙,完成后重启

sudo apt install bluetooth pi-bluetooth bluez-firmware bluez blueman pulseaudio pulseaudio-module-bluetooth

#安装mplayer播放器

sudo apt-get install mplayer alsa-base alsa-utils pulseaudio

4.更换国内镜像

1.先查看当前系统的版本
lsb_release  -a
No LSB modules are available.
Distributor ID: Raspbian
Description:    Raspbian GNU/Linux 11 (bullseye)
Release:        11
Codename:       bullseye

2. https://mirror.tuna.tsinghua.edu.cn/help/raspbian/

依照官方文档进行配置

设置声卡相关几个命令 blog.csdn.net/pengrui18/a… ubuntuqa.com/article/181…

1. pactl list cards  # 查看声卡列表
2. pacmd help   # 命令帮助
3. pacmd list-sinks  #查看sink 列表
4. pacmd list-cards
5. pactl list sources 
6. pacmd set-default-sink 2   #设置输出设备

安装蓝牙库 stackoverflow.com/questions/2…

1.sudo apt-get install libboost-python-dev libboost-thread-dev libbluetooth-dev libglib2.0-dev

2.pip install pybluez -i https://pypi.tuna.tsinghua.edu.cn/simple

python 安装vlc blog.csdn.net/yingshukun/…
查看树莓派信息:

1.查看uuid: ls /dev/disk/by-uuid或blkid
2.查看CPU信息: cat /proc/cpuinfo
如果只想查看最后三行，也可使用这个命令:tail -3 /proc/cpuinfo
lscpu

3. 查看树莓派型号: cat /proc/device-tree/model
4.查看CPU温度: vcgencmd measure_temp
5.查看CPU时钟频率: vcgencmd get_config arm_freq
6.查看host信息: hostnamectl