Interested in learning how Bluetooth® Low Energy works down to the packet level? Debugging your own Bluetooth® Low Energy hardware, and trying to spot where something is going wrong? Or maybe you're writing a custom application for your phone or tablet that needs to talk to existing BLE hardware, but you don't know how it works beneath the surface? We have the perfect tool for you!This Bluefruit LE Friend is programmed with a special firmware image that turns it into an easy-to-use Bluetooth® Low Energy sniffer. You can passively capture data exchanges between...