Telephone • WhatsApp
Bluetooth 4.0 Low Energy shield connects your Arduino to your phone, tablet, or any Bluetooth 4.0 LE compatible master device. BLE also known as Bluetooth Smart uses much less power while communicating compared to classic Bluetooth. This means you can stay connected for long periods of time with minimal drain on your battery powered devices. This shield is based on the Nordic Semiconductor nRF8001 connectivity chip.
Read the quick start guide from Red Bear Lab to get started with source code and demo apps for iPhone and Android: http://redbearlab.com/getting-started-bleshield/
Improvements for v2.1 shield are as follows:
The following devices are known to support Bluetooth 4.0 LE
Compatible with the following Arduino Boards: