A rugged, feature-packed handheld messenger built around LoRa for long-range, infrastructure-free communication.
Try it
Open the simulator, use the joystick to browse the menus and send a message, then drag a second radio away and watch the signal fade until your messages stop arriving.
Want to know how far it actually reaches? Plan a real link in the range planner: pick the terrain, spreading factor and power, and see range, airtime and battery life.
Hardware
- ESP32-S3
- Battery management system
- 320×240 TFT display
- GPS module
- LoRa radio module
- Buzzer
- NeoPixel indicator
- Compass
- AHT20 temperature/humidity sensor
Features
- Long-range portable messaging system
- Location-aware messaging (GPS)
- Heading/orientation via compass
