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不断地循环输出 ERROR: UNKNOWN COMMAND #50
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设备管理器的波特率没有 921600 需要怎么设置。我目前是9600 |
和设备管理器无关,使用串口软件打开时设置波特率即可 |
wifi模组与mcu主控也通过此串口通信 因此若正好此时有通信 此处就会有乱码 这也是部分刷机时刷一部分失败的原因 |
Closed
村里的电源没有地线,会导致什么问题吗 |
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ERROR: UNKNOWN COMMAND
我这接上340 后一直在串口收到不断地上面的显示,怎么回事了。我这里直接用M1 的usb 供电模块了。19脚的GND 是跟340 模块的GND 连着。
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