https://devzone.nordicsemi.com/f/nordic-q-a/73202/problem-with-advertizing-in-every-ble-solutionsHi all. I hope you having a healthy day. I am a beginner with nrf52 dev. I want to implement the BLE hrs on my custom board. My board doesn&#39;t have any optional modules. It has just NRF52832 and some resistors and one led :). (without any externalen-USTelligent Community 13Thu, 25 Mar 2021 20:46:33 GMThttps://devzone.nordicsemi.com/thread/302019?ContentTypeID=1Thu, 25 Mar 2021 20:46:33 GMT137ad170-7792-4731-bb38-c0d22fbe4515:81a90280-e7ea-417a-a434-b34741edbcccali_dehghan_nayeri<p>thanks a lot. I talked to my boss. It has all of the PCB elements.</p> <p>I also programmed with my nrfgo studio but nothing was advertising.</p> <p>I am going to check the voltage and current of the board. maybe the board can&#39;t support voltage from Jlink. I&#39;ll say the result.</p> <p>thanks a lot.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/301925?ContentTypeID=1Thu, 25 Mar 2021 13:42:07 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c9af6e05-1591-46e3-bae0-e7b6b0485a13Kenneth[quote user=""]It has just NRF52832 and some resistors and one led :). (without any external clk)[/quote] <p>You will need a lot of external circuitry (see reference design) for this to work with BLE:<br /><a href="https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.nrf52832.ps.v1.1/ref_circuitry.html#concept_aqp_fd1_fq">https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.nrf52832.ps.v1.1/ref_circuitry.html#concept_aqp_fd1_fq<br /></a><a href="https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.nrf52832.ps.v1.1/ref_circuitry.html#pcb_guidelines">https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.nrf52832.ps.v1.1/ref_circuitry.html#pcb_guidelines</a></p> <p>Kenneth</p><div style="clear:both;"></div>