If you think you will be using 5V logic enough you could go with a Uno + the Adafruit BLE shield with has 5V safe inputs. Having a Uno in your collection is never a bad idea.
If you think you will be using 5V logic enough you could go with a Uno + the Adafruit BLE shield with has 5V safe inputs. Having a Uno in your collection is never a bad idea.