The HC-05, a Bluetooth to serial bridge ... especially if you will be using modules from different sources. They don’t always come with the same firmware.

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 ...

ChipKIT shields that employ the nRF8001 Bluetooth Smart connectivity device. Arduino boards use series of development modules or ‘shields’ to create prototype systems. Shields perform individual or ...