https://devzone.nordicsemi.com/f/nordic-q-a/106106/send-data-from-central-device-to-peripheral-deviceHi, I am attempting to modify the central_hr and peripheral_hr code to send data from the central device to the peripheral and have the peripheral device print out what it has received. So far I have modified the heart-rate characteristic so that iten-USTelligent Community 13Tue, 28 Nov 2023 15:08:43 GMThttps://devzone.nordicsemi.com/thread/457923?ContentTypeID=1Tue, 28 Nov 2023 15:08:43 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1fd3a37a-355e-459b-a992-2486c5e0a7ebdejans<p>Hi,<br /><br />Thank you for the update.<br /><br />Best regards,<br />Dejan</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/457907?ContentTypeID=1Tue, 28 Nov 2023 14:39:14 GMT137ad170-7792-4731-bb38-c0d22fbe4515:551e26a2-d13b-40bc-b972-4ff5ce35bae0RHOOD<p>Hi.&nbsp; Hadn&#39;t gotten a chance to update this but I managed to get it working by calling &quot;aubacribe_params.value_handle&quot; in bt_gatt_write_without_response in place of BT_UUID_MEASUREMENT_VAL and de-refrencing datadata in bt_gatt_write_without_response. Thank you for your reply!</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/457883?ContentTypeID=1Tue, 28 Nov 2023 13:56:33 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0084248a-7b56-4842-ae31-e267ce2efc34dejans<p>Hi,<br /><br />Where are functions that are shown in your code located in your project?<br /><br />Where do you call print_data() from, and how?<br /><br />Best regards,<br />Dejan<br /><br /><br /></p><div style="clear:both;"></div>