LoRa Plus™ Sales Demonstration Kit FAQ

Q: How do I connect to the Raspberry Pi Wi-Fi network?

A: The Wi-Fi AP is named "raspi-smtc-lan" and the password is "SemtecH!Lr2021". Connect to this network from your computer or mobile device to access the demonstration kit services.

Q: What are the default login credentials for the system?

A: The default credentials are:

• Grafana: Username: "admin", Password: "SemtecH!Lr2021"
• ChirpStack: Username: "admin", Password: "admin"
• SSH Access: Username: "pi", Password: "SemtecH!Lr2021"

Q: How do I access the system services?

A: Once connected to the Wi-Fi network, you can access:

• Documentation: rpi-lr2021-demo.local:80
• Grafana: rpi-lr2021-demo.local:3000
• ChirpStack: rpi-lr2021-demo.local:8080
• InfluxDB: rpi-lr2021-demo.local:8086
• Online Documentation: lora-plus.smtcapps.io

Q: The Raspberry Pi won't start or LEDs aren't blinking. What should I do?

A: Check the following:

• Ensure the power supply is properly connected
• Verify the microSD card is properly inserted
• Check that the SX1302 concentrator board LEDs are on

Q: How do I update the demonstration kit?

A: To update the kit manually:

1. Connect the Raspberry Pi to the internet via RJ45
2. SSH into the Raspberry Pi
3. Navigate to the kit directory: cd /home/pi/SWDM030000000RPAS
4. Fetch the latest changes: git fetch --all
5. Reset the head of code: git reset --hard origin/main
6. Apply changes: sudo ./update.sh

Q: How do I set the correct time on the Raspberry Pi?

A: If not connected to the internet, set the system time using:

Example: sudo date -s "2025-01-27 14:30:00"

Q: How do I add a new device to ChirpStack?

A: To add a new LoRaWAN device:

1. Log into ChirpStack at rpi-lr2021-demo.local:8080
2. Navigate to Applications → Select your application
3. Click "Add Device"
4. Enter the device EUI and application keys
5. Configure the device profile and activation method

Q: Why isn't my device sending data to ChirpStack?

A: Check these common issues:

• Verify the device is properly programmed with the correct keys
• Ensure the device is within range of the gateway
• Check that the device is using the correct frequency plan
• Verify the device is configured for the correct application
• Check ChirpStack logs for any error messages

Q: How do I view device data in Grafana?

A: To view device data:

1. Log into Grafana at rpi-lr2021-demo.local:3000
2. Navigate to Dashboards
3. Select the "LoRaWAN Demo" dashboard
4. Use the time range selector to view historical data
5. Click the refresh button to update the display

Q: What frequency bands are supported?

A: The demonstration kit supports multiple LoRaWAN frequency bands including:

• EU868 (Europe)
• US915 (United States)
• AS923 (Asia-Pacific)
• AU915 (Australia)
• CN470 (China)

Configure the appropriate frequency plan for your region in ChirpStack.

Q: How do I program the LR20xx test device?

A: Use the Program Device page (available when connected to the Raspberry Pi):

1. Navigate to the Program page
2. Use the Device Link Check to verify connection
3. Select the appropriate configuration section
4. Choose the desired binary file
5. Click Program to flash the device

Q: What is the range of the LoRaWAN gateway?

A: The range depends on several factors:

• Indoor: Typically 100-500 meters depending on building materials
• Outdoor: Can reach several kilometers in open areas
• Factors affecting range: Antenna height, obstacles, interference, and device power

For best results, place the gateway in an elevated position with minimal obstructions.

Q: What is wM-BUS and how does it work with this kit?

A: wM-BUS (Wireless M-BUS) is a European standard for wireless communication in smart metering applications. The demonstration kit includes wM-BUS simulation capabilities to demonstrate how LoRaWAN can be used for smart metering applications.

Q: How do I run the wM-BUS simulator?

A: To run the wM-BUS simulator:

1. SSH into the Raspberry Pi
2. Navigate to the simulator directory
3. Run the simulator script: python3 wmbus_simulate.py
4. Configure the simulation parameters as needed
5. Monitor the output in ChirpStack and Grafana

Q: What types of wM-BUS messages can be simulated?

A: The simulator can generate various wM-BUS message types including:

• Water meter readings
• Gas meter readings
• Electricity meter readings
• Heat meter readings
• Custom meter data formats

Q: What are the advantages of using LoRaWAN for wM-BUS applications?

A: LoRaWAN offers several advantages for wM-BUS applications:

• Long range: Better coverage than traditional wM-BUS
• Low power: Extended battery life for battery-powered meters
• Scalability: Support for thousands of devices per gateway
• Security: Built-in encryption and authentication
• Cost-effective: Lower infrastructure costs