BM Gateway
Complete guide to setting up and using the BM Gateway BWG-832F for remote temperature and humidity monitoring via bmCloud.
1. Introduction
The BM Gateway BWG-832F is a WiFi-enabled bridge device that connects your Blue Maestro Bluetooth sensors to the internet, enabling remote monitoring through the bmCloud platform.
With the BM Gateway, you can:
- Monitor up to 50 Bluetooth sensors simultaneously
- Access real-time data from anywhere in the world
- Receive instant email and SMS alerts when thresholds are exceeded
- View historical data and generate reports
- Export data for compliance and analysis
- Integrate with existing systems via REST API
The gateway continuously scans for nearby Blue Maestro sensors and uploads their data to bmCloud at configurable intervals, providing 24/7 monitoring without requiring a smartphone to be present.
2. Box Contents
Your BM Gateway package should include:
| Item | Quantity | Description |
|---|---|---|
| BM Gateway BWG-832F | 1 | The main gateway device |
| USB-C Cable | 1 | Power cable for the gateway |
| AC Adapter (5V/1A) | 1 | Wall power adapter (US plug) |
| Wall Mount Bracket | 1 | For wall-mounted installation |
| Quick Start Guide | 1 | Printed setup instructions |
3. Hardware Overview
LED Indicators
The front panel features three LED indicators:
- PWR (Power): Indicates power status
- WiFi: Shows WiFi connection status
- BLE (Bluetooth): Shows Bluetooth scanning status
Back Panel
- USB-C Port: Power input (5V/1A)
- Reset Button: Small pin-hole for factory reset
- Mounting Holes: For wall bracket attachment
Physical Dimensions
4. Creating a bmCloud Account
Before setting up your BM Gateway, you must create a bmCloud account.
Step 1: Visit bmCloud
- Open a web browser on your computer, phone, or tablet
- Navigate to https://cloud.bluemaestro.com
- Click "Sign Up" or "Create Account"
Step 2: Enter Your Details
- Enter your email address
- Create a secure password (minimum 8 characters)
- Enter your name and organization (optional)
- Accept the terms of service
- Click "Create Account"
Step 3: Verify Your Email
- Check your email inbox for a verification message
- Click the verification link in the email
- Your account is now active
5. Initial Setup
Step 1: Unpack the Gateway
- Remove all items from the packaging
- Inspect the gateway for any physical damage
- Locate the USB-C port on the back of the device
Step 2: Connect Power
- Connect the USB-C cable to the gateway
- Connect the other end to the AC adapter
- Plug the AC adapter into a wall outlet
- The gateway will power on automatically
Step 3: Observe LED Indicators
When first powered on:
- PWR LED: Solid green (power connected)
- WiFi LED: Blinking (searching for network)
- BLE LED: Blinking (Bluetooth active)
Step 4: Wait for Configuration Mode
The gateway will automatically enter configuration mode on first boot. You'll know it's ready when you can see the WiFi network "ESP_ConfigAP" available in your device's WiFi settings.
6. WiFi Configuration
Step 1: Connect to the Gateway's WiFi
- On your computer, phone, or tablet, open WiFi settings
- Look for a network named "ESP_ConfigAP"
- Connect to this network (no password required)
Step 2: Access the Configuration Page
- Open a web browser
- Enter 192.168.4.1 in the address bar
- Press Enter/Go
- The "WiFi and Credentials Setup" page will appear
Step 3: Enter Your Credentials
On the configuration page, enter:
| Field | Description |
|---|---|
| WiFi Network | Your WiFi network name (SSID) - case sensitive |
| WiFi Password | Your WiFi password - case sensitive |
| Account Email | The email used for your bmCloud account |
- The WiFi network must be 2.4GHz (5GHz networks are not supported)
- The email must exactly match your bmCloud account email
- All fields are case-sensitive
Step 4: Save and Reboot
- Double-check all entered information
- Click "Save & Reboot"
- The gateway will restart and attempt to connect to your WiFi
- Reconnect your device to your normal WiFi network
7. Connecting to bmCloud
Step 1: Log In to bmCloud
- Open your web browser
- Navigate to https://cloud.bluemaestro.com
- Log in with your account credentials
Step 2: Find Your Gateway
- Navigate to "Live Devices" in the dashboard
- Within 1-3 minutes, your gateway should appear
- The gateway will be identified by its MAC address (e.g., 2C:F4:32:18:AC:2A)
Step 3: Name Your Gateway
- Click the edit icon next to your gateway
- Enter a recognizable name (e.g., "Warehouse Gateway")
- Click Save
Gateway Status Indicators
| Status | Meaning |
|---|---|
| Green dot | Online and communicating |
| Yellow dot | Online but no recent data |
| Red dot | Offline or connection lost |
| Grey dot | Never connected |
8. Adding Sensors
The BM Gateway automatically detects nearby Blue Maestro Bluetooth sensors.
Compatible Sensors
- Tempo Disc (all versions)
- Disc Mini
- Disc Maxi 3-in-1
- Disc Maxi 4-in-1
Sensor Detection Range
- Line of sight: Up to 100 meters (330 feet)
- Indoor (through walls): 20-50 meters (65-165 feet)
- Optimal range: Within 30 meters (100 feet)
How Sensors Appear
- Place your Blue Maestro sensors within range of the gateway
- Sensors are detected automatically within 1-5 minutes
- Detected sensors appear in the bmCloud dashboard under your gateway
- Each sensor shows its current readings and status
9. bmCloud Dashboard
Dashboard Overview
The bmCloud dashboard provides:
- Live Devices: Real-time view of all connected gateways and sensors
- Historical Data: Charts and graphs of recorded measurements
- Alerts: Configuration and history of threshold alerts
- Reports: Generate and download data reports
- Settings: Account and notification preferences
Data Upload Frequency
The gateway uploads sensor data to bmCloud at configurable intervals:
| Setting | Description |
|---|---|
| 1 minute | Real-time monitoring (highest data usage) |
| 5 minutes | Standard monitoring |
| 15 minutes | Regular monitoring (default) |
| 1 hour | Low-frequency monitoring |
| 24 hours | Daily summary only |
10. Configuring Alerts
Alert Delivery Methods
- Email: Alert sent to one or more email addresses
- SMS: Text message alert (requires SMS credits)
- Push Notification: Mobile app notification
Setting Up Temperature Alerts
- Navigate to Alerts in bmCloud
- Click "Create Alert"
- Select the sensor(s) to monitor
- Configure thresholds:
- High Temperature: Alert when temperature exceeds value
- Low Temperature: Alert when temperature drops below value
- Set alert recipients
- Enable/disable alert
- Click Save
11. Data Management
Data Retention
| Plan | Data Retention |
|---|---|
| Basic (included) | 30 days |
| Standard | 1 year |
| Premium | 5 years |
| Enterprise | Custom |
Exporting Data
- Navigate to the sensor or gateway you want to export
- Click "Export"
- Select date range
- Choose format (CSV, PDF, or JSON)
- Click Download
12. API Integration
bmCloud provides a REST API for integration with existing systems.
API Access
- Log in to bmCloud
- Navigate to Settings > API
- Generate an API key
- Use the key in your API requests
For complete API documentation, visit the API Documentation page.
13. LED Indicators
Power LED (PWR)
| State | Meaning |
|---|---|
| Solid Green | Power connected, operating normally |
| Off | No power |
| Blinking Green | Firmware updating |
WiFi LED
| State | Meaning |
|---|---|
| Solid Green | Connected to WiFi and bmCloud |
| Blinking Green | Connecting to WiFi |
| Blinking Yellow | Connected to WiFi, but not to bmCloud |
| Off | WiFi not configured or connection failed |
Bluetooth LED (BLE)
| State | Meaning |
|---|---|
| Solid Blue | Bluetooth active, sensors detected |
| Blinking Blue | Scanning for sensors |
| Off | Bluetooth disabled or error |
14. Mounting Options
Desktop Placement
The BM Gateway can be placed on any flat surface:
- Keep away from heat sources
- Ensure adequate ventilation
- Position for optimal Bluetooth coverage
Wall Mounting
Using the included wall mount bracket:
- Mark the holes: Hold the bracket against the wall and mark the screw positions
- Drill pilot holes: If mounting on drywall, use appropriate anchors
- Attach the bracket: Secure with screws (not included)
- Mount the gateway: Slide the gateway onto the bracket until it clicks
Recommended Mounting Height
- Optimal: 1.5 - 2 meters (5-7 feet) from floor
- Avoid: Direct sunlight, near HVAC vents, or in metal enclosures
15. Factory Reset
If you need to reconfigure your gateway or troubleshoot connection issues, you can perform a factory reset.
Reset Procedure
- Locate the reset port (small hole on the back of the device)
- Unplug the power from the gateway
- Insert a paperclip or pin into the reset port
- While holding the reset button, plug the power back in
- Continue holding for 5 seconds
- Release the button
- The gateway will restart in configuration mode
- The "ESP_ConfigAP" WiFi network will become available
16. Troubleshooting
Gateway Not Appearing in bmCloud
1. Verify WiFi Connection
- Check if the WiFi LED is solid green
- If blinking, the gateway hasn't connected to WiFi
- Perform a factory reset and re-enter credentials
2. Check Email Match
- The provisioning email must exactly match your bmCloud account
- Perform a factory reset if you used the wrong email
3. Wait Longer
- The gateway can take up to 3 minutes to appear
- Refresh the bmCloud page
ESP_ConfigAP Network Reappears
Cause: The WiFi credentials entered were incorrect.
Solution:
- Connect to ESP_ConfigAP again
- Navigate to 192.168.4.1
- Re-enter your WiFi credentials carefully
- Ensure you're using a 2.4GHz network (not 5GHz)
Sensors Not Detected
- Check Sensor Batteries: Replace batteries in sensors
- Reduce Distance: Move sensors closer to the gateway
- Check for Interference: Move away from other 2.4GHz devices
- Restart Gateway: Unplug and replug the power
17. Technical Specifications
Gateway Specifications
| Model | BWG-832F |
| Dimensions | 90mm x 60mm x 25mm |
| Weight | 85g |
| Power Input | 5V DC, 1A (USB-C) |
| Power Consumption | <2W |
| Operating Temperature | 0°C to +50°C |
WiFi Specifications
| Standard | 802.11 b/g/n |
| Frequency | 2.4GHz only |
| Security | WPA2/WPA3 |
Bluetooth Specifications
| Version | Bluetooth 5.0 Low Energy |
| Range | Up to 100m (line of sight) |
| Sensor Capacity | Up to 50 sensors |
Certifications
- CE Marked
- FCC Compliant
- RoHS Compliant
Need Help?
If you have questions or need assistance with your BM Gateway, our team is here to help.
Contact Us