https://devzone.nordicsemi.com/f/nordic-q-a/73827/libuartes-problemHi there, I&#39;m using nrf52840 DK and Custom board, SDK 17.0.2, Segger Embedded Studio(SES v5.20 my issue is when we send/TX data through UART &quot;static uint8_t text[] = {0x01, 0x03, 0x00, 0xdf, 0x53, 0x00, 0x56, 0x76};&quot; in loopback we don&#39;t receiveden-USTelligent Community 13Mon, 12 Apr 2021 12:30:39 GMThttps://devzone.nordicsemi.com/thread/304271?ContentTypeID=1Mon, 12 Apr 2021 12:30:39 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6608eb05-3952-4a4f-a6fa-cc3b77173fe7HimanshuR<p>Thank you for the response</p> <p>I just solved this problem but I have to counter one more issue that is buffer get at a time 1byte only, but i need complete data in a single shot. any idea about this please share your review.</p> <p></p> <p></p> <p>himanshu</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/304244?ContentTypeID=1Mon, 12 Apr 2021 11:33:18 GMT137ad170-7792-4731-bb38-c0d22fbe4515:52c08ffc-9062-4132-92b3-57f0eb510034Kenneth<p>Typically &#39;0&#39; is end of string character:<br /><a href="https://stackoverflow.com/questions/4711449/what-does-the-symbol-0-mean-in-a-string-literal">https://stackoverflow.com/questions/4711449/what-does-the-symbol-0-mean-in-a-string-literal</a></p> <p>So I suspect that&nbsp;strcat() interpret this as end of string, likely it&#39;s not possible to use strcat() to output &#39;0&#39;.</p> <p>Kenneth</p><div style="clear:both;"></div>