这是刚刚装配后的两款 HC-12无线通讯模块。通过LED可以显示接收到的字节数量。下面到外面的广场上查看一下通讯的距离。它的通讯波特率为 9600，看在这种情况下对应的通讯距离是多少。 二、测量结果 现在已经是晚上了。主楼之外比较黑暗和寒冷。

You should be used to our posting the hacks that didn’t quite go according to plan under our Fail Of The Week heading, things that should have worked, but due to unexpected factors, didn’t. They are ...

You should be used to our posting the hacks that didn’t quite go according to plan under our Fail Of The Week heading, things that should have worked, but due to unexpected factors, didn’t. They are ...