Bluefruit LE - Bluetooth Low Energy (BLE 4.0) - nRF8001 Breakout - v1.0 gas so you can measure and

so you can measure and monitor the battery voltage to detect when you need a recharge

you don't get any signal degradation even over long distances

Comes fully assembled with headers

and nRF52 Feathers

5V 4A power adapter

Bluefruit LE - Bluetooth Low Energy (BLE 4.0) - nRF8001 Breakout - v1.0 gas so you can measure andOur Adafruit Bluefruit LE (Bluetooth Smart, Bluetooth Low Energy, Bluetooth 4. 0) nRF8001 Breakout allows you to establish an easy to use wireless link between your Arduino and any compatible iOS or Android (4. 3+) device. It works by simulating a UART device beneath the surface, sending ASCII data back and forth between the devices, letting you decide what data to send and what to do with it on either end of the connection. Unlike classic Bluetooth,