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BLE（二）信道&数据包&协议栈格式 - 创客硬件开发 - 清泛IT社区，...
...别是37、38、39，用于发现设备（Scanning devices）、初始化连接（initiating a connection）和广播数据（broadcasting date）；
剩下的37个信道为data channel（数据通道），用于两个连接的设备间的通讯。
0x2 BLE数据包格式在低功耗蓝牙规范中...
iPhone App 开发第一步：从零到真机调试HelloWorld - 更多技术 - 清泛网 - ...
...5.0系统），并点VMware右下角的，USB图标，确定和主机断开连接（就是和Win7断开，和虚拟机连接），之后，运行一次XCode，因为是第一次插入此设备，XCode会启动Orgnizer，来识别你的iPhone，又因为是越狱机器，会提示该系统无法识...
App Inventor 2 串口组件：App使用OTG数据线进行串口通信 · App Inventor 2 中文网
...特率：9600。英文原版视频如下：
可以看到，手机串口连接时，没有像PC那样指定“COM3”等端口，而是直接使用默认的USB设备：
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手机APP上的串口通信组件 - 创客硬件开发 - 清泛IT社区，为创新赋能！
... Iot 专题）手机串口通信模型如下：可以看到，手机串口连接时，没有像PC那样指定“COM3”等端口，而是直接使用默认的USB设备：
有一个英文原版视频，请参考“串口通信器“组件相关文档：《App Inventor 2 串口组件：App使用OTG...
Controlling a USB power supply (on/off) with Linux
Is it possible to turn on/off power supplies from USB manually with Linux?
10 Answers
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set up device for development (???????????? no permissions)
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One important suggestion is disconect the usb cable, so you reset adb, conect the cable and it works. In my situation, while I did the procedure with the cable connected it does not work for me.
– androidevil
Nov 17 '13 at 8:12
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How to recognize USB devices in Virtualbox running on a Linux host? [closed]
I tried to use USB devices without any success. It seems they are not detected by Virtualbox itself, since if I select the guest from the Virtualbox home (I'm using a Windows XP 3 guest), choose Settings -> USB -> Add filter from device, no devices is listed, even if an USB pen is attached and recog...
USB Debugging option greyed out
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You have to enable USB debugging before plugging your device in to the computer. Unplug device then try to enable USB debugging. This should work. If so, you can then plug it back into the computer and it should work
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Docker - a way to give access to a host USB or serial device?
..., Docker didn't have any means to give container access to host serial or USB port . Is there a trick which allows doing that?
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Your build failed due to an error in the AAPT stage, not because of an...
...浏览器 - 使用 FireFox、Chrome 或 Safari（最新版本）互联网连接不是最佳的网络防火墙正在阻止 App Inventor
目标设备（例如智能手机）没有设置“允许来自未知来源的应用程序”安全权限集 - 转到设置/应用程序/未知来源APK 是为比...