Hi all, I want to enable Bluetooth Low Energy feature on my Raspberry Pi A which only has one USB port. I have been happy with CSR4.0 BLE USB adapter (such as this one http://www.amazon.com/BATTOP%C2%AE-Bluetooth-Dongle-Chipset-Adapter/dp/B00IMALOZ0/ref=sr_1_4?ie=UTF8&qid=1427936011&sr=8-4&keywords=...