https://devzone.nordicsemi.com/f/nordic-q-a/80376/nrf52810-multilinkHi, I am using nrf52810 chip. we are trying multilink with central(1 central and two peripherals connected at a time),one central and one peripheral is fine, but we are trying to two peripherals at that time we are using s140 softdevice of nrf52840en-USTelligent Community 13Thu, 07 Oct 2021 11:45:48 GMThttps://devzone.nordicsemi.com/thread/333024?ContentTypeID=1Thu, 07 Oct 2021 11:45:48 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3f025954-37d0-43e8-8364-16555a51e6b6Amanda Hsieh<p>Hi,&nbsp;</p> [quote user=""]we are trying multilink with central[/quote] <p>Take a look&nbsp;<a href="https://infocenter.nordicsemi.com/topic/sdk_nrf5_v17.1.0/ble_sdk_app_multilink.html">BLE Multi-link Example</a>&nbsp;and&nbsp;<a href="https://github.com/NordicPlayground/nrf52-ble-app-uart-c-multilink">https://github.com/NordicPlayground/nrf52-ble-app-uart-c-multilink</a>&nbsp;</p> <p>I think you should work on&nbsp;ble_app_uart_c instead of&nbsp;<span>ble_app_uart.</span></p> <p></p> [quote user=""]at that time we are using s140 softdevice of&nbsp; nrf52840 added files as (ble_scan.c and gq.c)at that gets an linking errors like these[/quote] <p>You should enable&nbsp;NRF_QUEUE as following and add file for nRF5_SDK\components\libraries\queue\nrf_queue and nRF5_SDK\components\ble\common\ble_advdata</p> <p></p> <p>Regards,<br />Amanda</p><div style="clear:both;"></div>