Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you may not be able to execute some actions.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
比如 t=0时接收到“1”，t=2时的 uart.read() 还是1吗？
当然不是了，否则要这个函数有啥用。
这个函数是读串口里的数据，其他的设备给OpenMV发送了什么数据，uart.read就可以读出什么数据。