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Raspberry Pi 5 (Gateway)

The Raspberry Pi 5 serves as the main gateway of the mesh network.

Specifications

ComponentDetails
ModelRaspberry Pi 5 8GB
Storage64GB microSD
OSRaspberry Pi OS Lite (64-bit)
IP192.168.68.127

Functions

  1. LoRa Gateway - Connects LoRa module to IP network
  2. MQTT Broker - Runs Mosquitto for internal messaging
  3. Meshtastic Daemon - Manages LoRa communication

Connected Hardware

  • Heltec ESP32 LoRa V3 via USB
  • Power: Official 27W USB-C power supply

Installed Services

Meshtastic

# Check status
sudo systemctl status meshtastic

# View logs
journalctl -u meshtastic -f

# Restart
sudo systemctl restart meshtastic

Mosquitto (MQTT)

# Check status
sudo systemctl status mosquitto

# Test connection
mosquitto_sub -h localhost -t "test"

Access

SSH

ssh pi@192.168.68.127

Web Interface

http://192.168.68.127

Useful Commands

View connected nodes

meshtastic --nodes

View node info

meshtastic --info

Send test message

meshtastic --sendtext "Test message"

Listen to messages

meshtastic --listen

Maintenance

Check disk space

df -h

Check memory

free -h

Check temperature

vcgencmd measure_temp

Update system

sudo apt update && sudo apt upgrade -y