幽默的小编先问大家一个问题：想让我们的MCU打印出一段消息，需要怎么办才能让这段消息显示在PC端呢？相信大家最常用的方式是通过MCU的串口将消息打印到PC端的串口调试终端上。那再换一个问题，打印分几步？ 小编今天要给大家带来的是借用J-link调试工具 ...

The RTT feature on an iPhone sends text messages immediately as you type them without requiring you to hit send. RTT, or real-time text, is built into the iPhone 6 ...

Android 9 Pie introduced support for indoor positioning by leveraging 802.11mc. Wi-Fi Round Trip Time (RTT) allows the system and apps to “measure the distance to nearby RTT-capable Wi-Fi access ...