Hi, Does anyone know of a Java library to talk to Bluetooth low energy (4.0) dongles? I want to build a small bluetooth server in java (that will accept connections from android mobile apps) and I would like to use Bluetooth LE for that. So far, I have only found bluecove, but it does not support LE...

Thanks! I just followed the link and it worked.

Hi there! I'm trying to connect to an USB device (it is a RFID reader) that needs to receive up to 500 mA of current. I am using a Raspberry B+ model with (up-to-date) Raspbian. When the USB device is idle, it is happy with just 100mA and I can interact with it, but when it has to do some RF operati...