<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[weixin_44712708的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/weixin_44712708</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; weixin_44712708]]></copyright><item><title><![CDATA[YOLOv5报AttributeError: ‘Upsample‘ object has no attribute ‘recompute_scale_factor‘]]></title><link>https://blog.youkuaiyun.com/weixin_44712708/article/details/123519427</link><guid>https://blog.youkuaiyun.com/weixin_44712708/article/details/123519427</guid><author>weixin_44712708</author><pubDate>Wed, 16 Mar 2022 10:11:26 +0800</pubDate><description><![CDATA[Traceback (most recent call last):
File “E:\yolo\yolov5-5.0\yolov5-5.0\detect.py”, line 72, in detect
pred = model(img, augment=opt.augment)[0]
File “D:\python\anaconda\lib\site-packages\torch\nn\modules\module.py”, line 1110, in _call_impl
return forward_]]></description><category></category></item><item><title><![CDATA[Android Stdio 控制STM32开发板]]></title><link>https://blog.youkuaiyun.com/weixin_44712708/article/details/119458321</link><guid>https://blog.youkuaiyun.com/weixin_44712708/article/details/119458321</guid><author>weixin_44712708</author><pubDate>Fri, 06 Aug 2021 16:46:24 +0800</pubDate><description><![CDATA[Android获取STM32 DHT11温湿度，控制STM32的LED灯


Android Stdio版本6.5，代码版本gradle6.5

STM32获取温湿度，并上传给阿里云物联网平台，我们做后边的安卓连接阿里云平台，并实现控制STM32板子
阿里云----&gt;物联网平台-------&gt;产品
在产品下边建两个设备，一个STM32，一个Android

接下来配置阿里云云产品流转，实现安卓手机控制STM32板子
**
**

两个layout文件，两个界面
主程序有四个，MQTT协议可以去.]]></description><category></category></item><item><title><![CDATA[更换文件名和文件内容的shell脚本]]></title><link>https://blog.youkuaiyun.com/weixin_44712708/article/details/117414488</link><guid>https://blog.youkuaiyun.com/weixin_44712708/article/details/117414488</guid><author>weixin_44712708</author><pubDate>Mon, 31 May 2021 13:18:23 +0800</pubDate><description><![CDATA[更换文件名和文件内容的shall脚本
更换所有路径下的文件名称
function changeFileName
{
    path=$1
    replaced=$2
    replacing=$3
    echo "We are finding '$replaced' under the folder '$path'"

	count=1
	for i in `find $path -iname "*$replaced*" | tac`
	do
		newpath=`echo $i | sed "]]></description><category></category></item><item><title><![CDATA[ROS运行错误：无法连接到ROS master，ERROR: unable to contact ROS master at [http://192.168.0.20:11311]]]></title><link>https://blog.youkuaiyun.com/weixin_44712708/article/details/117258412</link><guid>https://blog.youkuaiyun.com/weixin_44712708/article/details/117258412</guid><author>weixin_44712708</author><pubDate>Tue, 25 May 2021 16:09:22 +0800</pubDate><description><![CDATA[在终端输入以下命令
vim ~/.bashrc
到文件最下面（底部）添加（更改）：
export ROS_MASTER_URI=http://localhost:11311
export ROS_HOSTNAME=localhost

source  ~/.bashrc

]]></description><category></category></item><item><title><![CDATA[qt.qpa.screen: QXcbConnection: Could not connect to display]]></title><link>https://blog.youkuaiyun.com/weixin_44712708/article/details/117258100</link><guid>https://blog.youkuaiyun.com/weixin_44712708/article/details/117258100</guid><author>weixin_44712708</author><pubDate>Tue, 25 May 2021 15:59:55 +0800</pubDate><description><![CDATA[qt.qpa.screen: QXcbConnection: Could not connect to display
命令行执行报错：
qt.qpa.screen: QXcbConnection: Could not connect to display
Could not connect to any X display.
解决方案很简单：
export DISPLAY=’:0.0’
export DISPLAY=’:1.0’
export DISPLAY=’:2.0’

...]]></description><category></category></item><item><title><![CDATA[怎么把ROS常用的命令写进Shell脚本里]]></title><link>https://blog.youkuaiyun.com/weixin_44712708/article/details/116453011</link><guid>https://blog.youkuaiyun.com/weixin_44712708/article/details/116453011</guid><author>weixin_44712708</author><pubDate>Thu, 06 May 2021 16:06:28 +0800</pubDate><description><![CDATA[脚本的编写
以5G模组快速连接为例：
#!/bin/bash
while :
do
 line=$(hostname -I | awk '{print $1}')
 if [ X$line = "X" ]; then
  sleep 1
 else
  break
 fi
done
echo -e "atd17852401019;\r\n" &gt; /dev/ttyUSB3
echo -e "at^ndisdup=1,1\r\n" &gt; /dev/ttyUSB2
echo -e "at^ndisdup]]></description><category></category></item><item><title><![CDATA[K210获取DHT11温湿度的代码]]></title><link>https://blog.youkuaiyun.com/weixin_44712708/article/details/115198065</link><guid>https://blog.youkuaiyun.com/weixin_44712708/article/details/115198065</guid><author>weixin_44712708</author><pubDate>Thu, 25 Mar 2021 10:03:18 +0800</pubDate><description><![CDATA[K210  dht11温湿度模块的代码
import time
from fpioa_manager import fm
from Maix import GPIO
import lcd

class DHT11Result:
    # 'DHT11 sensor result returned by DHT11.read() method'

    ERR_NO_ERROR = 0
    ERR_MISSING_DATA = 1
    ERR_CRC = 2

    error_code = E]]></description><category></category></item><item><title><![CDATA[K210触摸屏人脸识别开灯，温湿度，蜂鸣器，按键]]></title><link>https://blog.youkuaiyun.com/weixin_44712708/article/details/114599547</link><guid>https://blog.youkuaiyun.com/weixin_44712708/article/details/114599547</guid><author>weixin_44712708</author><pubDate>Tue, 09 Mar 2021 20:49:47 +0800</pubDate><description><![CDATA[K210触摸屏人脸识别开灯，温湿度dht22，蜂鸣器，按键
触摸屏界面
温湿度传感器用的是dht22。
温湿度界面

人脸识别开锁界面
灯泡是12V的我们需要用3.3V的光耦隔离寄存器，给灯泡单独供电，D+接3.3V，D-接GND，S-接GND，S+接信号引脚，高电平点亮。COM端接正极，ON常开端接灯泡的正极。

这是beep蜂鸣器的代码事件。
// An highlighted block
def event_handlerr(obj,event):
    global KEY_NODE
    if]]></description><category></category></item><item><title><![CDATA[Python关于KeyboardInterrupt的问题]]></title><link>https://blog.youkuaiyun.com/weixin_44712708/article/details/112750683</link><guid>https://blog.youkuaiyun.com/weixin_44712708/article/details/112750683</guid><author>weixin_44712708</author><pubDate>Sun, 17 Jan 2021 16:30:55 +0800</pubDate><description><![CDATA[##Python关于KeyboardInterrupt的问题

对于按下按键CTRL+C后，程序不停止，led1和led2来回循环。
这样情况下就要加入try:          except KeyboardInterrupt as results:
import RPi.GPIO  as GPIO
import time
def led2():
    # led1=31 # led2=15  # beep=29  # fan=32  # key=33
    led1 = 31
    led2 = ]]></description><category></category></item><item><title><![CDATA[Python ROS键盘控制机械臂]]></title><link>https://blog.youkuaiyun.com/weixin_44712708/article/details/112317162</link><guid>https://blog.youkuaiyun.com/weixin_44712708/article/details/112317162</guid><author>weixin_44712708</author><pubDate>Thu, 07 Jan 2021 16:37:08 +0800</pubDate><description><![CDATA[Python ROS键盘控制机械臂
机械臂定义所有的全局变量，给他们一个初始值
import rospy
import os
import sys, select, termios, tty
import math
GRIPPER_CLOSE = 700
GRIPPER_OPEN = 200
GRIPPER_DEFAULT =500
i=500
j=250
k=660
l=300
m=500

加入按键，这里用的是幻耳机械臂姿态三。
  global  i,j,k,l,m
        flag=0
  ]]></description><category></category></item><item><title><![CDATA[Python输入键盘字符两种方法]]></title><link>https://blog.youkuaiyun.com/weixin_44712708/article/details/112226879</link><guid>https://blog.youkuaiyun.com/weixin_44712708/article/details/112226879</guid><author>weixin_44712708</author><pubDate>Tue, 05 Jan 2021 13:05:33 +0800</pubDate><description><![CDATA[python键盘输入字符]]></description><category></category></item></channel></rss>