IoT & Tracking

Build real-time IoT applications and tracking systems with NoLag.

Overview

NoLag is ideal for IoT applications that require real-time data streaming from devices. Whether you're tracking vehicles, monitoring sensors, or controlling smart devices, NoLag provides the low-latency infrastructure you need.

Fleet Tracking Example

import { NoLag } from '@nolag/js-sdk'

const client = NoLag('device_access_token')
await client.connect()

const fleet = client.setApp('fleet-tracker').setRoom('vehicles')

// Subscribe to all vehicle updates
fleet.subscribe('location')
fleet.subscribe('telemetry')

// Handle location updates
fleet.on('location', (data) => {
  updateMapMarker(data.vehicleId, {
    lat: data.latitude,
    lng: data.longitude,
    heading: data.heading,
    speed: data.speed
  })
})

// Handle telemetry data
fleet.on('telemetry', (data) => {
  updateVehicleStatus(data.vehicleId, {
    fuel: data.fuelLevel,
    engine: data.engineStatus,
    battery: data.batteryVoltage
  })
})

Device Publishing

On the IoT device, publish updates at regular intervals:

// On the IoT device: publish location updates
setInterval(() => {
  const location = gps.getLocation()

  device.emit('location', {
    vehicleId: DEVICE_ID,
    latitude: location.lat,
    longitude: location.lng,
    heading: location.heading,
    speed: location.speed,
    timestamp: Date.now()
  })
}, 5000) // Every 5 seconds

Use Cases

Fleet management - Track vehicles, deliveries, and drivers
Asset tracking - Monitor equipment and inventory location
Sensor networks - Collect data from environmental sensors
Smart home - Control and monitor IoT devices
Wearables - Stream health and fitness data

Best Practices