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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!

...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数据线进行串口通信》
https://bbs.tsingfun.com/thread-1828-1-1.html 

Error 507: unable to connect. is the device turned on? 无法连接,设备...

...rror-507-unable-to-connect/1474 BluetoothClient 组件仅支持支持串行端口配置文件 (SPP) 的设备。如果您的设备通过除 SPP UUID 之外的 UUID 支持 RFCOMM,则需要使用 ConnectWithUUID 块并指定设备所需的 UUID。 该方法采用两个参数。第一个是蓝牙...
https://www.fun123.cn/reference/iot/MQTTGuide.html 

App Inventor 2 MQTT拓展入门(保姆级教程) · App Inventor 2 中文网

...果如下: App设计及代码 服务器地址:bemfa.com 端口:9501 客户端ID:(MQTT云控制台获取) 订阅主题:APPMQTT 新建项目,导入MQTT拓展,可在“界面设计”的拓展属性中进行服务器通信基本设置: 也可以在“程序设计...
https://bbs.tsingfun.com/thread-2367-1-1.html 

MQTT接入EasyIoT平台 - 创客硬件开发 - 清泛IT社区,为创新赋能!

...。 新建一个订阅主题。 代码差别主要在:地址、端口不同,且使用用户名、密码认证(这里仅仅是演示,隐藏了部分,以实际为准),订阅主题使用上面新建的。
https://www.fun123.cn/referenc... 

环境采集与告警:综合应用案例 · App Inventor 2 中文网

...备 ID 必须与采集端一致;在设置页填写自有 Broker 主机、端口和账号,保存。 选择档案后连接采集。连接前数值为“—”;接收当前设备的非 retained 有效数据后才更新数值和曲线。 温度范围 -40–85°C、湿度 0–100%;序号重...
https://www.fun123.cn/referenc... 

Microbit Uart Simple · App Inventor 2 中文网

... Microbit_Uart_Simple 传感器提供从 BBC micro:bit 的串行 UART 端口读取和写入字符串的功能。 属性 BluetoothDevice – 设置连接到 micro:bit 设备的 BluetoothLE 组件。 方法 SendMessage – 将给定值 ...
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Setting up a git remote origin

... Using SSH git remote add origin ssh://login@IP/path/to/repository Using HTTP git remote add origin http://IP/path/to/repository However having a simple git pull as a deployment process is usually a bad idea and should be avoided in favor of a real deployment scrip...
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Request is not available in this context

... Since there's no Request context in the pipeline during app start anymore, I can't imagine there's any way to guess what server/port the next actual request might come in on. You have to so it on Begin_Session. Here's what I'm using when not in Classic Mode. The o...
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Can't connect to local MySQL server through socket '/var/mysql/mysql.sock' (38)

... A quick workaround that worked for me: try using the local ip address (127.0.0.1) instead of 'localhost' in mysql_connect(). This "forces" php to connect through TCP/IP instead of a unix socket. share ...
https://www.tsingfun.com/it/tech/1306.html 

adito-gateway -华为云免费SSL VPN解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...ito adito-0.9.1]# ant install 关闭防火墙 [root@adito ~]# service iptables stop iptables: Setting chains to policy ACCEPT: filter [ OK ] iptables: Flushing firewall rules: [ OK ] iptables: Unloading modules: [ OK ] [ro...