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IO16为at_RX、IO17为at_TX作为AT串口
串口0作为log串口
波特率为115200
固件版本号：2.1.0
SDK版本：v4.2.1-64-gd9ec7df39
启动方式：DIO
固件大小：4M
命令串口|波特率：UART1 | 115200
支持升级：否
校验码：AE1EA49BE695C9BF872E9795FBCF5A5F
客户：NULL
功能描述：安信可ESP32 4M常规AT固件