Hi all, AT+WMFM=0,1,1 // OK for enabling UART1 AT+WMFM=0,1,2 // OK for enabling UART2 AT+WMFM=0,1,3 // ERROR (USB port Not able to open) AT+WMFM=0,1,5 // ERROR (UART3 Not able to open) I am able to open UART1, UART2 & USB CDC ACM but i am not able to open UART3. AT+WDSO=0,5 (Trying to open UAR…

Not able to open USB port and UART 3

aliceta December 21, 2017, 2:53am 5

Please send me email if you need support on opening UART3

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