https://devzone.nordicsemi.com/f/nordic-q-a/54662/motion-data-send-only-when-rtt-viewer-connectedI used thingy s132 pca20020 sdk and i changed the code. send data.accel.x, data.accel.y, data.accel.z data when data over the limit in swith case DRV_MOTION_EVT_RAW in drv_motion_evt_handler(). and send the p_data-&gt;ec02_ppm data when data over theen-USTelligent Community 13Thu, 21 Nov 2019 15:38:10 GMThttps://devzone.nordicsemi.com/thread/221383?ContentTypeID=1Thu, 21 Nov 2019 15:38:10 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a9941688-5099-4095-97b1-53232eca233aEdvin<p>Have you tried to debug this? Is judge ever larger than LIMIT_ACC? Does it call ble_nus_string_send()? What does ble_nus_string_send() return?</p> <p></p> <p>Best regards,</p> <p>Edvin</p><div style="clear:both;"></div>