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App Inventor 2 手机蓝牙及语音控制 - App Inventor 2 中文网 - 清泛IT论坛，有思想、有深度
来源：http://www.zsqz.com/chuangke/13.htm【学习目标】
1.掌握蓝牙客户端或服务端组件的使用；
2.学会编写手机蓝牙APP，并向Arduino发送控制指令；
3.学会编写手机语音控制程序，并能通过语音控制Arduino等设备。 【...
Arduino控制RGB三色LED灯实验、程序代码、连线图、仿真 - 创客硬件开发 - ...
...控制，针对Arudino UNO板子中带有"~"的3、5、6、9、10、11数字端口写入一个模拟值，通知高电平与低电平持续时间的比值控制LED的亮度变化或者电机的转速。例如：欲使得内置的Arudino UNO 中的led亮度变为原来的一般，编写anal...
【解决】java.lang.ArrayIndexOutOfBoundsException: length=1; index=-1 a...
...omWebView 拓展报错：
java.lang.ArrayIndexOutOfBoundsException: length=1; index=-1 at java.util.ArrayList.get(ArrayList.java:439) at com.sunny.CustomWebView.CustomWebView.getIndex(Unknown Source:26) at com.sunny.CustomWebView.CustomWebView.access$200(Unknown Source:0) at com.sunny.CustomWebView....
How to set a Default Route (To an Area) in MVC
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Checkboxes in web pages – how to make them bigger?
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148
In case this can help anyone, here's simple CSS as a jumping off point. Turns it into a basic ...
What are the correct link options to use std::thread in GCC under linux?
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I think on Linux pthread is used to implement std::thread so you need to specify the -pthread ...
How to create a SQL Server function to “join” multiple rows from a subquery into a single delimited
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How add “or” in switch statements?
...(myvar)
{
case 2:
case 5:
...
break;
case 7:
case 12:
...
break;
...
}
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How to port data-only volumes from one host to another?
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136
The official answer is available in the section "Backup, restore, or migrate data volumes":
B...
How to print HTML content on click of a button, but not the page? [duplicate]
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I came across another elegant solution for this:
Place your printable part inside a div with ...