https://devzone.nordicsemi.com/f/nordic-q-a/31197/how-to-determine-the-length-of-string-received-through-characteristicHello everyone, It seems like a very basic issue but somehow I am unable to resolve it. I have a characteristic of length 20 bytes. This characteristic is supposed to receive a string of max 20 bytes. When I receive the string in this characteristicen-USTelligent Community 13Mon, 02 Jul 2018 21:39:29 GMThttps://devzone.nordicsemi.com/thread/138623?ContentTypeID=1Mon, 02 Jul 2018 21:39:29 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8b7b5827-d055-407a-a8fe-091143f951f1Andy<p>Did you set the vlen field in the attribute metadata when adding your characteristic?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/138617?ContentTypeID=1Mon, 02 Jul 2018 20:59:52 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8eef9cd9-2664-4fd3-b7ac-4d38bef745efSusheel Nuguru<p>Most likely the problem is at the sending side where you might be setting the default size of the message to 20, instead of adjusting it based on your string size. Just guessing.</p><div style="clear:both;"></div>