https://devzone.nordicsemi.com/f/nordic-q-a/6834/uc-sleep-while-advertising-nrf51822Guys, I would like to put the internal uC in sleeping mode while nRF51822 is advertising and wakeup him, when I establish a connection. I know that is possible, it must be :) Is there any similar example that does this?en-USTelligent Community 13Mon, 04 May 2015 12:58:11 GMThttps://devzone.nordicsemi.com/thread/24086?ContentTypeID=1Mon, 04 May 2015 12:58:11 GMT137ad170-7792-4731-bb38-c0d22fbe4515:30011ba2-f896-4994-a71b-f5a527349dd1Stefan Birnir Sverrisson<p>Hi Spirit</p> <p>What happens when the nRF51 is advertising is that the chip wakes up periodically to advertise and is asleep in between. Actually, a BLE peripheral sends an advertising packet and then listens for a certain time for a possible incoming connection packet from a central device. If a connection packet is not received from a central device, the peripheral will go to sleep until there is time to send another advertising packet. More information on current consumption is in the <a href="https://devzone.nordicsemi.com/question/5186/how-to-minimize-current-consumption-for-ble-application-on-nrf51822/#reply-5187">current consumption guide</a>.</p><div style="clear:both;"></div>