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APP INVENTOR硬件交互学习教程03——巧借arduino nano 配置HC-05 - 创客硬...

...intln("Enter AT commands!"); } void loop() {   // read from port 1, send to port 0:   if (EEBlue.available()) {     int inByte = EEBlue.read();     Serial.write(inByte);   }   // read from port 0, send to port 1: &nbs...
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虚拟机安装CentOS出错:EDD:Error 8000 reading sector 2106934 - 环境配置...

EDD:Error 8000 reading sector 2106934 No DEFAULT or UI configuration directive found! boot: Getting closer! When i start to install every thing seem to be fine. 1.Select language k 2.select location k 3.configure keyboard k 4.network config k then it gets stuck on a purple screen with n...
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串口Read不到数据的问题 - 用户反馈 - 清泛IT社区,为创新赋能!

用户发送的是 8n1 的格式,但是ai2的串口貌似不支持这种格式。写串口正常,读串口为空,len为0。 目前经过测试验证,应该是 \n 作为结束符的。发送时,也是。 ai2使用 physicaloid 库完成的串口功能。
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APP INVENTOR硬件交互学习教程07——多个参数上报 - 创客硬件开发 - 清泛IT...

...loop() {   if(Serial.available()) {   inByte = Serial.read();          }delay(1000);     sendPara();    } 复制代码 4.后续扩展,还可以添加更多的参数。
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关于php的socket初探 - PHP - 清泛IT论坛,有思想、有深度

...是“一切皆文件”,都可以用“打开open –> 读写write/read –> 关闭close”模式来操作。我的理解就是Socket就是该模式的一个实现,socket即是一种特殊的文件,一些socket函数就是对其进行的操作(读/写IO、打开、关闭) 既然Uni...
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APP INVENTOR硬件交互学习教程04——蓝牙控制继电器 - 创客硬件开发 - 清泛...

...loop() {   if(Serial.available()) {   inByte = Serial.read();        if(inByte == 'H'){ digitalWrite(relayPin, HIGH);}     if(inByte == 'L'){ digitalWrite(relayPin, LOW);}       } } 复制代码三、app inventor 3.1界面 ...
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APP INVENTOR硬件交互学习教程06——硬件参数上报 - 创客硬件开发 - 清泛IT...

...loop() {   if(Serial.available()) {   inByte = Serial.read();        if(inByte == 'H'){       digitalWrite(relayPin, HIGH);        Serial.print("ON");          }     if...
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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,...

...访问行为,包括: 访问有关的权限(access permissions),Readable、Writeable以及Readable and writable;加密有关的权限(encryption permissions),Encryption required和No encryption required;认证有关的权限(authentication permissions),Authentication Requir...
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Arduino101(Genuino 101)&App Inventor – RGB LED控制 - 创客硬件开...

...ControlLED("19B10010-E8F2-537E-4F6C-D104768A1214"); // BLE AnalogRead Service // BLE LED Switch Characteristic - custom 128-bit UUID, read and writable by central BLEUnsignedIntCharacteristic LEDStatus("19B10011-E8F2-537E-4F6C-D104768A1214", BLERead | BLEWrite  ); int...
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Lua简明教程 - 脚本技术 - 清泛IT论坛,有思想、有深度

...ite("too young, too naive!\n") else     local age = io.read()     print("Your age is "..age) end复制代码 上面的语句不但展示了if-else语句,也展示了 1)“~=”是不等于,而不是!= 2)io库的分别从stdin和stdout读写的read...