https://devzone.nordicsemi.com/f/nordic-q-a/1124/the-use-of-char-function-in-the-51822Hi, I want to read the data by the radio.now I have read the temperate data from the tags by 51822. the data include the ID value and the temperate value. the ID is hex ,I must transfer them to char and output them by UART. Now，I have a confusion isen-USTelligent Community 13Fri, 13 Dec 2013 18:28:04 GMThttps://devzone.nordicsemi.com/thread/5255?ContentTypeID=1Fri, 13 Dec 2013 18:28:04 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5eb2ef6a-55fa-40b4-81be-52ff9ba85191ovrebekk<p>Hi Linda</p> <p>The string functions should work fine, as long as you include string.h and stdio.h ( for sprintf() )</p> <p>What issues are you experiencing?</p> <p>printf/scanf will not work out of the box, but it is fairly straight forward to construct strings using sprintf and send the resulting data to the UART.</p> <p>Regards Torbjørn</p><div style="clear:both;"></div>