NRF8001 BLE Board - Bluetooth Low Energy (BLE 4.0)
NRF8001 BLE Breakout. Gives you a wireless connection between your Arduino and iOS or Android phones that use BLE.
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NRF8001 BLE Breakout. Gives you a wireless connection between your Arduino and iOS or Android phones that use BLE.
Features:

IR Break Beam Sensor - 5mm LEDs
$6.49 $5.97