Hi I am planning to use NRF51822. Have not used these parts yet. I have 4 peripherals and 1 central hub. All communicating in BLE. And central hub will also connect to cell phone. How can I have 4 peripherals connect to the hub automatically without any manual intervention. The hub need to scan for pre-defined names and connect to them. This should happen very first time, the devices are powered on. The 4 peripherals should NOT be visible on the cell-phone. Cell phone should only see one device which is the hub. During normal operation, I am thinking of keeping the peripherals and hub in lowest possible power state. But peripheral should be able to wake up the hub. Is that possible? All the 4 peripherals and hub will be with in 2meters distance. The hub may be able communicate to phone which is 10-20m away. But 4 peripherals can save power. Is such a mode possible? Thanks Ashwin

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NRF51822 peripheral keep it invisible

toashwin over 8 years ago

Hi I am planning to use NRF51822. Have not used these parts yet.

I have 4 peripherals and 1 central hub. All communicating in BLE. And central hub will also connect to cell phone.

How can I have

4 peripherals connect to the hub automatically without any manual intervention. The hub need to scan for pre-defined names and connect to them. This should happen very first time, the devices are powered on.
The 4 peripherals should NOT be visible on the cell-phone. Cell phone should only see one device which is the hub.
During normal operation, I am thinking of keeping the peripherals and hub in lowest possible power state. But peripheral should be able to wake up the hub. Is that possible?
All the 4 peripherals and hub will be with in 2meters distance. The hub may be able communicate to phone which is 10-20m away. But 4 peripherals can save power. Is such a mode possible?

Thanks Ashwin