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二进制文件的读写 - App Inventor 2 中文网 - 清泛IT社区,为创新赋能!
...到的二进制文件?读到的二进制文件能否转成列表文件?蓝牙客户端或 ble 都可以接收二进制数组,返回的数据是列表:
如果想要保存二进制到文件,可以考虑转换成 ascii 或 base64 化,然后通过文件管理器保存为文件,具体...
AppInventor2如何通过socket给网络发16进制的数据? - App应用开发 - 清泛I...
...方法,可以赐教吗?软件只能发ASCLL码?没办法收发HEX,蓝牙组件的有写字节功能,TCP网络组件没有。
答:
发送文本消息时,hexaStringMode设为 false;发送16制消息时,hexaStringMode设为 true,例如:0x012 —> “303132” 字符串...
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...
【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。
How to save and restore multiple different sessions in Vim?
...
507
You want something like
:mksession ~/mysession.vim
Then later you can source that vim file ...
What is the difference between the 'COPY' and 'ADD' commands in a Dockerfile?
...
507
COPY is
Same as 'ADD', but without the tar and remote URL handling.
Reference straight f...
为AppInventor2开发自己的拓展(Extension) - App Inventor 2 拓展 - 清泛IT社区,为创新赋能!
...VIOR, description = "操作成功后不显示提示信息,默认 false。") public boolean SuppressToast() { return suppressToast; } @DesignerProperty(editorType = PropertyTypeConstants.PROPERTY_TYPE_BOOLEAN, &n...
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...
Abstract Class vs Interface in C++ [duplicate]
... std::make_shared instead. This will prevent memory leaks and other common errors.
– Flip
Mar 8 '18 at 8:55
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