3. 请将此代码粘帖到紧跟起始
标记之后的位置:10m,TTL UART Interface, No shell
More25m,TTL UART Interface, No shell
More18m,TTL UART Interface, No shell
More25m, Rs485-Modbus Interface, Waterproof case
More40m,TTL UART Interface, No shell
More18m, Rs485-Modbus Interface, Waterproof case
More25m, TTL UART Interface, Waterproof case
More18m,TTL UART Interface, Waterproof case
More40m,TTL UART Interface, Waterproof case
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