[DOES NOT CURRENTLY SEEM TO WORK] A script to listen to BC08 Water-Resistant iBeacon BLE 4.0/5.0 MultiBeacon

bluecharm.js

// NOTE - This code does not seem to show motion events from the beacon.
/**
  ...dependencies & engine
  "dependencies": {
    "@abandonware/bluetooth-hci-socket": "^0.5.3-8",
    "@abandonware/noble": "^1.9.2-15",
    "node-beacon-scanner": "^0.2.2"
  },
  "engines": {
    "node": "12.22.12",
    "npm": "6.14.16"
  }
  
  Buidling on 
  PRETTY_NAME="Raspbian GNU/Linux 11 (bullseye)"
  NAME="Raspbian GNU/Linux"
  VERSION_ID="11"
  VERSION="11 (bullseye)"
  VERSION_CODENAME=bullseye
*/

/**
  Current program output.
  
  :START
  Scanning...
  Discovering... dd340206bd88
  Stopping scanning...
  dd340206bd88 has advertised as BlueCharm_176227.
  {"id":"dd340206bd88","address":"dd:34:02:06:bd:88","localName":"BlueCharm_176227","txPowerLevel":null,"rssi":-55,"beaconType":"iBeacon","iBeacon":{"uuid":"426C7565-4368-6172-6D42-6561636F6E78","major":3838,"minor":4949,"txPower":-59}} null    
  Scanning stopped.
  Connection to peripheral dd340206bd88...
  Connected to dd340206bd88
  Discovering characteristics...
  Characteristics discovered.
  Processing characteristics
  - Characteristic Device Name
  - Characteristic Appearance
  - Characteristic Peripheral Preferred Connection Parameters
  - Characteristic Central Address Resolution
  - Characteristic Manufacturer Name String
  - Characteristic Model Number String
  - Characteristic Hardware Revision String
  - Characteristic Firmware Revision String
  - Characteristic System ID
  - Characteristic Service Changed
  - Characteristic Battery Level
  - Characteristic null
  - Characteristic null
  - Characteristic null
  - Characteristic null
  :END

   And then just does nothing else.
*/
const noble = require('@abandonware/noble')
const BeaconScanner = require('node-beacon-scanner')

const scanner = new BeaconScanner()

const beaconId = 'dd340206bd88'

scanner.onadvertisement = (advertisement) => {

  if (advertisement.id === beaconId) {
    console.log(`${beaconId} has advertised as ${advertisement.localName}.`)
    console.log(JSON.stringify(advertisement.iBeacon), null, '   ')
  }

}

scanner.startScan().then(() => {
  console.log("Scanning...")
}).catch(err => console.error(err))


noble.on('discover', async (peripheral) => {
  
  console.log(`Discovering... ${peripheral.id}`)

  if (peripheral.id === beaconId) {
    
    console.log('Stopping scanning...')
    scanner.stopScan()
    await noble.stopScanningAsync();
    console.log('Scanning stopped.')

    console.log(`Connection to peripheral ${peripheral.id}...`)
    await peripheral.connectAsync();    
    console.log(`Connected to ${peripheral.id}`);
    
    console.log('Discovering characteristics...')
    const { characteristics } = await peripheral.discoverAllServicesAndCharacteristicsAsync()
    console.log('Characteristics discovered.')

    console.log('Processing characteristics')
    characteristics.map(characteristic => {
      console.log(`- Characteristic ${characteristic.name}`)

      characteristic.on('data', (data, isNotification) => {
        console.log(`Received: "${data}"`);
      });

      characteristic.subscribe((error) => {
        if (error) {
          console.error('Error subscribing to echoCharacteristic');
        } else {
          console.log('Subscribed for echoCharacteristic notifications');
        }
      });
    })

  }

  //await peripheral.disconnectAsync(() => console.log('disconnected'))

});

process.on('SIGINT', function () {
  console.log('Caught interrupt signal');
  scanner.stopScan(() => process.exit())
  noble.stopScanning(() => process.exit());
  process.exit()
});

process.on('SIGQUIT', function () {
  console.log('Caught interrupt signal');
  scanner.stopScan(() => process.exit())
  noble.stopScanning(() => process.exit());
  process.exit()
});

process.on('SIGTERM', function () {
  console.log('Caught interrupt signal');
  scanner.stopScan(() => process.exit())
  noble.stopScanning(() => process.exit());
  process.exit()
});