https://novelbits.io/bluetooth-gatt-services-characteristics/

rapid unscheduled disassembly


https://www.digikey.com/en/products/detail/recom-power/RO-3-312S/2315035


<code>
https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.sdk5.v15.0.0%2Fgroup__nrfx__common.html

driver state is NRFX_DRV_STATE_POWERED_ON 	
 but we expect / require NRFX_DRV_STATE_UNINITIALIZED as per 
    if (p_cb->state != NRFX_DRV_STATE_UNINITIALIZED)
    </code>