It’s hard to imagine an easier way to set up communications between an Android device and an Arduino using Bluetooth ... cheap and ubiquitous HC-05 Bluetooth module. Having picked up one of ...

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.

Modern smart keys ... phone are paired via Bluetooth, the doors unlock. Walk out of range and the car automatically locks when the connection drops. His build uses an Arduino Mega with a ...