A cheap serial Bluetooth modem from eBay lets him connect to his phone. An Arduino board listens for ... The Bluetooth module runs from 3.3V, and reading serial data and flashing an LED is ...

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.

In final form, a Bluetooth module and Arduino Pro Micro are stuffed inside ... inputs with completely different pinouts that aren’t compatible at all. Ask me how I know. However, others are ...

Then, an Arduino board might be ... protocols like Wi-Fi and Bluetooth, though. However, additional components -- a Wi-Fi shield and a Bluetooth module -- are required. The R4 WiFi is already ...