https://devzone.nordicsemi.com/f/nordic-q-a/84642/double-uartI need to connect a ble device to a double uart0 and Uart1 over zephyr. The first uart in used for comunication puupose e message everty 20mS at 115200; The second uart is used for configuration /debug purpose. I made several attempts I can use anen-USTelligent Community 13Mon, 14 Feb 2022 12:42:12 GMThttps://devzone.nordicsemi.com/thread/352874?ContentTypeID=1Mon, 14 Feb 2022 12:42:12 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3e67d5f9-8a1b-4cae-b593-2c27c6150295Hakon<p>Hello,</p> [quote user=""]I have tried to use the ncs/nrf/samples/peripheral/lpuart&nbsp; &nbsp;But id doesent work.[/quote] <p>When using lpuart you need to have a lpuart instance configured on both the sending and receiving end. So if you are trying to send data from a lpuart device to a regular uart device or vice versa that won&#39;t work in general.</p> [quote user=""]the samples in zephyr/samples/driver/uart/echo_bot&nbsp; work if I use a single uant .... but it doesent work if II try tu use uart0 e Uart1[/quote] <p>How did you modify this to make it work for two uarts? Can you show the .overlay and prj.conf files? And if you did some modifications to the src you can include that as well.</p><div style="clear:both;"></div>