<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[TheTechnologyOfCat的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/TheTechnologyOfCat</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; TheTechnologyOfCat]]></copyright><item><title><![CDATA[树莓派替换镜像源]]></title><link>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/156327980</link><guid>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/156327980</guid><author>TheTechnologyOfCat</author><pubDate>Sun, 28 Dec 2025 00:28:43 +0800</pubDate><description><![CDATA[ID=debian版本是。]]></description><category></category></item><item><title><![CDATA[树莓派使用正版U盘raspiBackup.sh 无法备份系统]]></title><link>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/156315259</link><guid>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/156315259</guid><author>TheTechnologyOfCat</author><pubDate>Sat, 27 Dec 2025 10:01:55 +0800</pubDate><description><![CDATA[无法备份系统解决方法。]]></description><category></category></item><item><title><![CDATA[树莓派使用串口启动死机]]></title><link>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/156136121</link><guid>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/156136121</guid><author>TheTechnologyOfCat</author><pubDate>Mon, 22 Dec 2025 01:59:27 +0800</pubDate><description><![CDATA[树莓派配置完一些东西后，重启出现网络连接不上，WIFI连接不上，排查问题。]]></description><category></category></item><item><title><![CDATA[树莓派安装nginx]]></title><link>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/155912132</link><guid>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/155912132</guid><author>TheTechnologyOfCat</author><pubDate>Sun, 14 Dec 2025 21:39:11 +0800</pubDate><description><![CDATA[安装 Nginx,启用Brotli压缩+FastCGI缓存+静态资源expires。]]></description><category></category></item><item><title><![CDATA[树莓派LNMP + wordpress简易搭建]]></title><link>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/155916354</link><guid>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/155916354</guid><author>TheTechnologyOfCat</author><pubDate>Sun, 14 Dec 2025 18:45:27 +0800</pubDate><description><![CDATA[摘要：本文详细介绍在树莓派4B上搭建轻量级WordPress博客的全流程。使用32GB microSD卡安装Raspberry Pi OS Lite系统，通过LEMP（Nginx+MariaDB+PHP）环境部署，配置内网穿透实现外网访问。包含系统烧录、SSH连接、软件源更换、Web环境搭建、数据库安全配置等关键步骤，特别针对新手提供图形化操作指引和常见问题排查方法，最终实现高效稳定的个人博客搭建方案。（149字）]]></description><category></category></item><item><title><![CDATA[WaveDrom----学绘画数字时序图]]></title><link>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/141434196</link><guid>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/141434196</guid><author>TheTechnologyOfCat</author><pubDate>Thu, 22 Aug 2024 21:24:12 +0800</pubDate><description><![CDATA[WaveDrom是一个画数字电路时序图的插件，可以集成到HTML中，如何集成，暂时没有试过，使用json格式，格式正确能显示效果，格式不正确，不能显示效果。]]></description><category></category></item><item><title><![CDATA[STM32F103VC中ADC模拟看门狗问题记录-LL库]]></title><link>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/135519166</link><guid>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/135519166</guid><author>TheTechnologyOfCat</author><pubDate>Fri, 12 Jan 2024 09:05:56 +0800</pubDate><description><![CDATA[我在里面打断点就能进入do{}while，不打断点就就不去do{}while，实际带上个led灯操作是没有执行的，这应该是keil或者st-link的bug。]]></description><category></category></item><item><title><![CDATA[CMSIS中的delay与osDelay的区别]]></title><link>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/130101566</link><guid>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/130101566</guid><author>TheTechnologyOfCat</author><pubDate>Wed, 12 Apr 2023 11:42:58 +0800</pubDate><description><![CDATA[【代码】CMSIS中的delay与osDelay的区别。]]></description><category></category></item><item><title><![CDATA[STM32F401RET6之u8g2库的oled]]></title><link>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/129968427</link><guid>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/129968427</guid><author>TheTechnologyOfCat</author><pubDate>Wed, 05 Apr 2023 13:26:25 +0800</pubDate><description><![CDATA[oled使用库文件可以减少很多步骤，对于初学者有很好的帮助，但是缺少了用寄存器读取的快乐，但是这种快乐也是因人而异吧。]]></description><category></category></item><item><title><![CDATA[STM32F401RET6之t硬件I2C的oled]]></title><link>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/129960715</link><guid>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/129960715</guid><author>TheTechnologyOfCat</author><pubDate>Tue, 04 Apr 2023 21:34:43 +0800</pubDate><description><![CDATA[记录一下STM32硬件I2C使用oled。]]></description><category></category></item><item><title><![CDATA[STM32F401RET6之软件模拟I2C的oled]]></title><link>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/129940593</link><guid>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/129940593</guid><author>TheTechnologyOfCat</author><pubDate>Mon, 03 Apr 2023 23:51:08 +0800</pubDate><description><![CDATA[STM32F401用GPIO口模拟I2C驱动0.96寸oled]]></description><category></category></item><item><title><![CDATA[树莓派pymysql初步试使用]]></title><link>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/114868398</link><guid>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/114868398</guid><author>TheTechnologyOfCat</author><pubDate>Tue, 16 Mar 2021 10:21:05 +0800</pubDate><description><![CDATA[1、安装Python3
sudo apt-get python3
2、更换pip源
参考链接
sudo mkdir ~/.pip
sudo vim ~/.pip/pip.conf

添加
[global]
timeout =6000
index-url =http://pypi.douban.com/simple/
[install]
use-mirrors =true 
mirrors =http://pypi.douban.com/simple/ 
trusted-host =pypi.douban.c]]></description><category></category></item><item><title><![CDATA[树莓派从零开始搭建外网数据库]]></title><link>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/114578735</link><guid>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/114578735</guid><author>TheTechnologyOfCat</author><pubDate>Tue, 09 Mar 2021 12:41:51 +0800</pubDate><description><![CDATA[安装树莓派官方32位系统
这里就不多说了，前面有文章提到过了，
1、用串口（TX、RX、GND）修改wifi，开启ssh，开启vnc。
注意：在config.txt中加入`enable_uart = 1`

2、修改密码

sudo passwd root  #设置root用户密码
#输入新的UNIX密码：
#再输入一次密码：
sudo passwd --unlock root #启用root用户


sudo passwd pi  #修改yourname用户密码
#输入新的UNIX密码：
#再输入一次密码]]></description><category></category></item><item><title><![CDATA[PyUSB的初识]]></title><link>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/111185278</link><guid>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/111185278</guid><author>TheTechnologyOfCat</author><pubDate>Tue, 15 Dec 2020 11:29:01 +0800</pubDate><description><![CDATA[PyUSB modules




内容
描述




core
USB主要模块


util
实用功能模块


control
标准控制请求模块


legacy
0.x兼容性层


backend
包含内置后端的子包


开始
pip install pyusb

查看USB的VID和PID
设备管理器-&gt;找到USB设备右键-&gt;属性-&gt;详细信息-&gt;硬件id


测试程序：
import usb.core
import usb.util

dev = usb.core.find(i]]></description><category></category></item><item><title><![CDATA[手动配置arduino的esp8266的烧写环境]]></title><link>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/108087159</link><guid>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/108087159</guid><author>TheTechnologyOfCat</author><pubDate>Tue, 18 Aug 2020 20:59:46 +0800</pubDate><description><![CDATA[esp8266用arduino下载，非常慢而且还有下载错误。手动运行get.py文件出错，找了一些教程没有完成，最后偶然发现stagging文件里有packages目录，完成了配置。压缩包链接放在文章最后了。
前提条件
1、使用版本arduino-1.6.8-windows.exe，安装esp8266-2.7.4版本（其他版本应该也适用）。
2、打开软件，文件-&gt;首选项设置首选项，附加开发板管理器网址是http://arduino.esp8266.com/stable/package_esp8266c]]></description><category></category></item><item><title><![CDATA[哈夫曼树和哈夫曼编码译码]]></title><link>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/106666877</link><guid>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/106666877</guid><author>TheTechnologyOfCat</author><pubDate>Wed, 10 Jun 2020 15:48:01 +0800</pubDate><description><![CDATA[1、编程思想
哈夫曼树
哈夫曼树是最小的WPL值，也就是最小带权路径。编程就是将n个权值进行比较，用最小的两个组成一个新的节点。
用数组接收输入的n个节点的权值，将输入的编码进行整理，将最小的两个权值进行合并，多出n-1个新节点。用一个临时的数ct保存其左右子树以及父节点。通过临时的节点，将所有排序好的节点存放到tree[]数组中。
哈夫曼编码
对哈夫曼树中的前n个节点进行编码，从根节点开始，位于左子树的为0，右子树为1。编程就是通过符号找到其对应的是左子树还是有子树。
输入与权值对应的编码，找到code[]]></description><category></category></item><item><title><![CDATA[数据结构二叉树顺序存储结构的创建和遍历]]></title><link>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/106128201</link><guid>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/106128201</guid><author>TheTechnologyOfCat</author><pubDate>Thu, 14 May 2020 20:42:58 +0800</pubDate><description><![CDATA[创建顺序树
//创建树
void createTree(char *data){
	int n = 1;
	char d;
	printf("请输入顺序树,空格代表该位置没有元素,\n 回车结束结束输入\n"); 
	while((d=getchar())!='\n'&amp;&amp;d!=EOF){
		if(n&gt;MaxSize){
			printf("输入有误，请仔细检查后输入\n");
			n = 1;
		}
		if(d==' ');
		else
			data[n] = d;
		]]></description><category></category></item><item><title><![CDATA[数据结构之二叉树链表存储创建和遍历]]></title><link>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/106073954</link><guid>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/106073954</guid><author>TheTechnologyOfCat</author><pubDate>Tue, 12 May 2020 13:23:55 +0800</pubDate><description><![CDATA[简单的创建树并且遍历
创建树
bintree *createtree(){
	bintree *t;
	datatype data; 
	t = (bintree*)malloc(sizeof(bintree));
	//检查输入是否合法 
	do{
		scanf("%c",&amp;data);
		getchar(); //接收回车字符
		if((data!=' ')&amp;&amp;(data&lt;'a')&amp;&amp;(data&gt;'z')){
			printf("输入格式错误，]]></description><category></category></item><item><title><![CDATA[树莓派安装opencv错误实例]]></title><link>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/106048336</link><guid>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/106048336</guid><author>TheTechnologyOfCat</author><pubDate>Mon, 11 May 2020 10:26:19 +0800</pubDate><description><![CDATA[安装的话参考几个博主的教程就可以
1、教程1
2、教程2
3、常见的一些错误
上面的流程先大只看一遍学要做些什么，先不要一步一步照着做，把一些文件都弄好以后，再编译，弄完之后会显示安装成功，python导入cv2包也是没有问题，但是写完代码运行的时候会出现一些问题。

提示没有实现imshow功能，这是因为GTK+ 2.X和VTK support没有添加依赖，参考网站
解决方法到opencv安装所有的依赖然后删除掉opencv文件夹里的build文件重新编译运行就可以了。不需要重新安装低的opencv来实现]]></description><category></category></item><item><title><![CDATA[树莓派学习笔记（python问题和文件操作）]]></title><link>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/105983520</link><guid>https://blog.youkuaiyun.com/TheTechnologyOfCat/article/details/105983520</guid><author>TheTechnologyOfCat</author><pubDate>Thu, 07 May 2020 22:52:43 +0800</pubDate><description><![CDATA[此文章是转载文章，我以前看到一篇文章被博主删掉找不到了了，我参考了一篇文章https://www.cnblogs.com/zhoujie/archive/2013/04/10/python7.html，这篇文章的方法在树莓派上也能够用我用的是python3.7.3的语言环境，其他的应该也差不多.
首先导入操作文件系统的包所有的方法都在包里，为了快速学习参考一些技术文档也是有必要的，如果能力强的可以...]]></description><category></category></item></channel></rss>