https://devzone.nordicsemi.com/f/nordic-q-a/21243/errors-combining-examples-twi_sensor-and-ble_app_uartHello, I am using SDK 11.0.0 and attempting to integrate the BNO055 IMU into twi_sensor example and then connecting the IMU data over BLE via ble_app_uart. I successfully integrated the BNO055 IMU into the twi_sensor example by replacing the targeten-USTelligent Community 13Thu, 20 Apr 2017 14:22:25 GMThttps://devzone.nordicsemi.com/thread/83124?ContentTypeID=1Thu, 20 Apr 2017 14:22:25 GMT137ad170-7792-4731-bb38-c0d22fbe4515:bb4fa6d9-0f65-40af-9493-848ca27c034bStian R&#248;ed Hafskjold<p>Seems like it can&#39;t find the <code>TWI0_USE_EASY_DMA</code> and <code>TWI0_INSTANCE_INDEX</code> defines which are defined in the <strong>sdk_config.h</strong> and <strong>nrf_drv_config.h</strong> files that are part of the original projects. Are you sure they are not missing from the files?</p><div style="clear:both;"></div>