Arduino boards get a Bluetooth Smart dev kit from Nordic Semiconductor. The SDK is compatible with a range of Arduino, ChipKIT shields that employ the nRF8001 Bluetooth Smart connectivity device.

The robot itself is relatively simple, with four geared DC motors, motor drivers wired to an Arduino Nano ... By connecting a Bluetooth controller to the smartphone and drive the robot around ...

We found the Bluetooth demo in the video below particularly interesting; it’s amazing how much the signal is attenuated by a double layer of aluminum foil. [Ken] even came up with an Arduino ...