https://devzone.nordicsemi.com/f/nordic-q-a/43901/ble-delay-on-receiving-data-in-real-timehi guys, i&#39;m trying to send data between two boards (nrf52840) in real time. every time the input pin toggle there is a message to send to the central board. i did this,but i misured a delay of about 30 ms between the square wave i trasmetted anden-USTelligent Community 13Wed, 20 Feb 2019 12:56:34 GMThttps://devzone.nordicsemi.com/thread/172112?ContentTypeID=1Wed, 20 Feb 2019 12:56:34 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d8e1921c-770a-4ace-bc80-6eb5c574df3dSigurd<p>Hi,</p> <p>After you&nbsp;queue the BLE packet, it won&#39;t be sent before the next connection event. The timing of connection events are determined by the connection interval(MIN_CONN_INTERVAL/MAX_CONN_INTERVAL).</p><div style="clear:both;"></div>