Wireless / Bluetooth®

Top view of an Adafruit Feather nRF52840 Sense board
Our Adafruit Bluefruit LE (Bluetooth® Smart, Bluetooth® Low Energy, Bluetooth 4.0) allows you to establish an easy-to-use wireless link between your Arduino and any compatible iOS or Android (4.3+) device. Create your own wireless Bluetooth keyboard controller in an hour with the Bluefruit EZ-Key: it's the fastest, easiest and bestest Bluetooth® controller. Bluefruit EZ-Link: the best Bluetooth® Serial Link device ever made.