Blend is an integrated developement board, RedBearLab has “blend”ed Arduino with Bluetooth 4.0 Low Energy (aka BLE or Bluetooth Smart) into a single board. It is targeted for makers to develop low power Internet-Of-Things (IoT) projects quickly and easily.
Blend is 100% compatible with sketches and Shields that work with Arduino Leonardo. The micro-controller unit (MCU) is Atmel ATmega32U4 and the BLE chip is Nordic nRF8001. Blend runs as BLE peripheral role only, it allows BLE central role devices to establish connection with.
Current supported BLE central devices:
iPhone 5 (all models)
iPod touch 5
Android 4.3 or above (4.4 recommended for stability) with Bluetooth 4.0 hardware support
other compatible Android devices reported by users
(please report any other Android devices supported)
Windows Phone 8.1
Nokia Lumia 630
(please report any other Windows Phone devices supported)
Windows 8.1 with built-in Bluetooth 4.0 or USB dongle
Mac OSX 10.9.2 with built-in Bluetooth 4.0 or USB dongle
Linux with BlueZ 5.1 with built-in Bluetooth 4.0 or USB dongle