Can multiple nRF51422 devices be connected to one "csr ble dongle + raspberry pi b+" set up?

[Paul]

Working on a remote monitoring system. Ethernet solution is on the table now.

But it needs to have extra chipset on board to do so.

I haven't had a chance to look into IoT yet. So looking for some conceptual answers here to help me to propose the Nordic IoT solution.

• Is there a commercial product I can buy to replace "BLE Dongle + Raspberry Pi B+" combo? Will need UL/CSA/FCC.
• Can nRF51422 devices construct ad-hoc network or they are connected to the Raspberry directly?

Thanks

Paul

[Petter Myhre]

As Øyvind mentions it depends on how many connections the Bluetooth dongle can handle, we have tested with 5 simultaneous connections and it is stable, any more is untested.

I don't know of any commercial routers that supports IPv6 over Bluetooth smart. The thing is that many of the routers already have the hardware that supports both Wi-Fi and Bluetooth Smart, but it is not supported in firmware.

We have created some blog posts on how to use OpenWRT on commercial routers, but I guess this doesn't help you. Anyways, see this, this and this.

Currently, the IPSP and 6LoWPAN libraries in the IoT SDK only supports node role. The IoT SoftDevice prototype supports Connection Oriented Channels with the Credit Based Flow Control Mode, which is needed for transport of IP packets. This SoftDevice can take a GAP peripheral role. This needs to be directly connected to the router. However, as Øyvind mentions you may be able to use the timeslot API to communicate with other other devices/nodes.