Dear，
I have a problem when runing this example code，fail to send all cmds if use directly uart1 port ，but can send successful cmd by using STLINK uart，i don't know why？Can somebody help me？both two ways i saw signal on GPIO23, but no response if directly send cmd to GPIO23，next step i need run this code on my board to evaluate antenna，need change uart1 to uart 3，please advise if you have any suggesttion，thanks！
