大约有 1,000 项符合查询结果(耗时:0.0096秒) [XML]

https://bbs.tsingfun.com/thread-2982-1-1.html 

扒了一下源码,ESP8285接入App Inventor有4种玩法,第3种最香 - AI 助手 - ...

...un123自研扩展: - ClientSocketAI2Ext — TCP Socket客户端,异步连接+后台数据监听 - FTPClient — FTP文件传输 关键发现:Serial.java是唯一提到ESP8266/ESP8285的运行时文件。但没有专门的IoT/ESP扩展组件。 方案1:HTTP API(最简单,零开发...
https://www.tsingfun.com/it/tech/1387.html 

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...
https://www.fun123.cn/referenc... 

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: 切换 目录 关注 我们 关注我...
https://bbs.tsingfun.com/thread-1674-1-1.html 

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...
https://bbs.tsingfun.com/thread-2538-1-1.html 

Modbus硬件控制03——485串口助手控制继电器 - 创客硬件开发 - 清泛IT社区...

...成485调试功能,自带CRC校验,非常易于使用。 2.硬件连接 通过USB转485接入PC 3.测试步骤 发送字符串,一共两条指令 第一条是闭合继电器 第二条是断开继电器
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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)

... 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...
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USB Debugging option greyed out

... 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 ...
https://bbs.tsingfun.com/thread-3083-1-1.html 

App装到手机上就"失忆"?关于Activity生命周期的7个硬核问答 - A...

...异经常让开发者困惑。 • AI伴侣模式:通过无线或USB连接运行,Activity包裹在Companion应用中。某些系统级回调(如低内存杀进程)的行为可能与独立App有差异,因为Companion本身也在运行。 • 打包安装的App:是标准的独立Androi...