Raspberry Pi 3とGenuino (Arduino) 101でBLE通信する ref: http://qiita.com/jakalada/items/7ad4144efa2f5e109b89

file0.txt

peripheral discovered (xxxxxxxxxxxx with address <xx:xx:xx:xx:xx:xx, public>, connectable true, RSSI -68:
    hello my local name is:
        ButtonLE
    can I interest you in any of the following advertised services:
        ["19b10010e8f2537e4f6cd104768a1214"]

file1.txt

$ sudo node peripheral-explorer.js xxxxxxxxxxxx

file2.txt

peripheral with ID xxxxxxxxxxxx found
  Local Name        = ButtonLE
  Service Data      = 
  Service UUIDs     = 19b10010e8f2537e4f6cd104768a1214

services and characteristics:
1800 (Generic Access)
  2a00 (Device Name)
    properties  read
    value       47454e55494e4f203130312d38323841 | 'GENUINO 101-828A'
  2a01 (Appearance)
    properties  read
    value       0000 | ''
  2a04 (Peripheral Preferred Connection Parameters)
    properties  read
    value       4000780000005802 | '@xX'
1801 (Generic Attribute)
19b10010e8f2537e4f6cd104768a1214
  19b10011e8f2537e4f6cd104768a1214
    properties  read, write
    value       00 | ''
  19b10012e8f2537e4f6cd104768a1214
    properties  read, notify
    value       00 | ''

file3.js

var noble = require('noble');

var ledServiceUuid = '19b10010e8f2537e4f6cd104768a1214';
var ledCharacteristicUuid = '19b10011e8f2537e4f6cd104768a1214';
var buttonCharacteristicUuid = '19b10012e8f2537e4f6cd104768a1214';

var peripheralIdOrAddress = process.argv[2].toLowerCase();

// Bluetoothデバイスの状態変更時の処理
noble.on('stateChange', function(state) {
  if (state === 'poweredOn') {
    // ペリフェラルのスキャンを開始
    noble.startScanning();
  } else {
    noble.stopScanning();
  }
});

// ペリフェラル発見時の処理
noble.on('discover', function(peripheral) {
  if (peripheral.id === peripheralIdOrAddress || peripheral.address === peripheralIdOrAddress) {
    // ペリフェラルのスキャンを停止
    noble.stopScanning();
    console.log('peripheral with ID ' + peripheral.id + ' found');

    peripheral.once('disconnect', function() {
      console.log('disconnected');
      process.exit(0);
    });

    // ペリフェラルとの接続を開始
    peripheral.connect(function(error) {
      console.log('connected');
      // サービス探索を開始
      peripheral.discoverServices([], onServicesDiscovered);
    });
  }
});

// サービス発見時の処理
function onServicesDiscovered(error, services) {
  console.log('services discovered');

  services.forEach(function(service) {
    if (service.uuid == ledServiceUuid) {
      // キャラクタリスティック探索を開始
      service.discoverCharacteristics([], onCharacteristicDiscovered);
    }
  });
}

// キャラクタリスティック発見時の処理
function onCharacteristicDiscovered(error, characteristics) {
  console.log('characteristics discovered');

  characteristics.forEach(function(characteristic) {
    if (characteristic.uuid == ledCharacteristicUuid) {
      characteristic.on('read', onLedCharacteristicRead);
    } else if (characteristic.uuid == buttonCharacteristicUuid) {
      characteristic.on('read', onButtonCharacteristicRead);

      // データ更新通知の受け取りを開始
      characteristic.notify(true, function(error) {
        console.log('buttonCharacteristic notification on');
      });
    }
  });
}

// ledCharacteristicのデータ読み出し時の処理
// (現在のこのコードでは呼ばれることがない想定です)
function onLedCharacteristicRead(data, isNotification) {
  console.log('ledCharacteristic read response value: ', data.readInt8(0));
}

// buttonCharacteristicのデータ読み出し時、もしくは更新時の処理
function onButtonCharacteristicRead(data, isNotification) {
  if (isNotification) {
    // データ更新通知による呼び出し
    console.log('buttonCharacteristic notification value: ', data.readInt8(0));
  } else {
    // データ読み出し時の呼び出し
    console.log('buttonCharacteristic read response value: ', data.readInt8(0));
  }
}

file4.txt

sudo node button_led_central.js xxxxxxxxxxxx

file5.txt

peripheral with ID xxxxxxxxxxxx found
connected
services discovered
characteristics discovered
buttonCharacteristic notification on
buttonCharacteristic notification value:  1
buttonCharacteristic notification value:  0
buttonCharacteristic notification value:  1
buttonCharacteristic notification value:  0
buttonCharacteristic notification value:  1
buttonCharacteristic notification value:  0
buttonCharacteristic notification value:  1
buttonCharacteristic notification value:  0
buttonCharacteristic notification value:  1
buttonCharacteristic notification value:  0