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APP INVENTOR硬件交互学习教程02——资源介绍 - 创客硬件开发 - 清泛IT社区...
...外发射和接收，方便进行红外解码，红外发射实验
6.蓝牙模块插座，方便扩展配置
7.一路继电器，可以进行大功率设备控制实验
8.一路蜂鸣器，可以进行一些报警实验。
9.其他扩展外设模块，WS2812，舵机，RF模块...
Error 507: unable to connect. is the device turned on? 无法连接，设备...
英文资料显示，可能是蓝牙设备问题未开机之类的，也可能是连接相关的代码写的不对，用的错误的地址连接等。
当然也有可能是平台或BluetoothLE拓展版本问题导致的，因此建议先使用我们平台(www.fun123.cn)试试，排除一下...
【客户反馈】增加直接改项目名称的功能 - 用户反馈 - 清泛IT社区，为创新赋能！
...有些思路在名字上有体现会比较好。比如我一开始只做了蓝牙模块控制，名字ble，后面又加wifi，项目名称改的话就是wifi+ble。
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感谢反馈，采纳此条建议，改名功能推进中，敬请期待！已支持并上线：https://b...
Service and Characteristic are not published by the connected device -...
Service and Characteristic are not published by the connected device，报错如下：
问题原因：硬件/蓝牙芯片问题导致的，比如A硬件测试好的，换了B硬件没有修改uuid，就出现这个报错。
由于B硬件没有发布这些特征，就会报这个错误。
GoPrint aia源码 UI界面现代、代码不复杂，参考性强 - .aia 案例源码 - 清...
屏幕数量：6个，UI界面现代、代码不复杂，参考性强。
需要连接蓝牙硬件进行通信，具体逻辑请自行研究。
Programmatically Determine a Duration of a Locked Workstation?
...topped(sw => sw.Stop());
s.WhenSessionChanged((csm, hc, chg) => csm.SessionChanged(chg)); /* THIS IS MAGIC LINE */
});
x.EnableSessionChanged(); /* THIS IS MAGIC LINE */
/* use command line variables for the below commented ...
How to count lines in a document?
... Using the GNU grep -H argument returns filename and count. grep -Hc ".*" file
– Zlemini
Oct 28 '16 at 19:27
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How to restart Jenkins manually?
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https://support.cloudbees.com/hc/en-us/articles/216118748-How-to-Start-Stop-or-Restart-your-Instance- says IMPORTANT : Do not launch methods start|stop|restart manually as $sudo /etc/init.d/jenkins start|stop|restart because it makes your service unre...
Is there a way to delete a line in Visual Studio without cutting it?
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@nathan_hc, that actually performs a cut, which pollutes the clipboard. (Try it yourself and paste after using CTRL-L)
– Kirk Woll
Sep 17 '10 at 2:39
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How to clean project cache in Intellij idea like Eclipse's clean?
...ystem\caches and delete
JetBrains:
https://intellij-support.jetbrains.com/hc/en-us/articles/206544519-Directories-used-by-the-IDE-to-store-settings-caches-plugins-and-logs
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