This method requires zero software pairing; your device and the module handle that on their own ... but the full-screen ads make it extremely difficult to use. Arduino Bluetooth RC Car by Andi.Co: ...

DastardlyLabs uses a USB host shield, a Bluetooth module, an Arduino Pro Mini, and a bunch of other random parts to create this little device. You’ll need to solder together a handful of parts ...

Now, since we have built-in BT support on Intel® Edison, you can use Edison module with ... from SPP in your Arduino code. In Connecting to Intel® Edison from Android* with Bluetooth* LE ...