nRF8001. Tell iPad user to initiate BLE connection

[barbqman]

Is it possible to send any kind of message, etc. from a board using nRF8001 to an iPad with no BT app running to tell the iPad user to initiate a connection?

Thanks, Dennis

[Anders Strand]

If you have previously bonded with the iPad, it will connect to you when you are advertising. This is provided that your nRF device has a service that iOS wants to connect to, like a mouse/keyboard or an ANCS device. I am not sure if it will connect to a custom service it does not recognize.

Other than that, I see no other solution than creating a background scanning service like @awneil suggested.

You could create an ultrasonic sound with a buzzer, which you pick up with the microphone of the iPad. That would have been cool :)

[awneil]

Something like this: http://chirp.io/