WhisperOS

WhisperOS is a user-friendly operating system designed for small, portable radio devices (like Heltec LoRa boards) that allow you to communicate without the internet or cellular networks. It creates a "mesh" network where devices talk directly to each other.

Think of it like a walkie-talkie for text messages that can also hop through other people's devices to reach further.

Key Features for You

1. Off-Grid Messaging

• Text Anyone: Send and receive text messages to other users on the network.
• Privacy: Your messages stay on the local mesh network, not on the internet.
• Contacts List: See who else is nearby or on the network. It shows you when they were "last seen" (e.g., "5m ago"), so you know if they are available.
• Smart Typing: Includes a virtual keyboard on the device itself with predictive text (English and Chinese input) to make typing easier on small screens.
• Multilingual Display: Supports CJK (Chinese, Japanese, Korean) and many other languages for message display.

2. Simple Dashboard

• At a Glance: Quickly check your unread messages, battery life, and connection status (Bluetooth).
• Uptime: See how long your device has been running.

3. Customize Your Experience

• Notifications: Choose how you want to be alerted—Beep (Buzzer), Flash (LED), or Vibrate. You can turn them all off for a "Do Not Disturb" mode.
• Display Settings: Adjust brightness or set "Always On" watch faces (like a binary clock or cute animal faces) if you want your device to double as a desk clock.
• Night Mode: Easily dim the screen or turn it off to save battery.

4. Power Management

• Battery Info: Detailed battery voltage monitoring to help you manage power during long trips.
• Auto-Sleep: The device is smart about saving power when you aren't using it.
• Long Lasting: For Heltec V3 & V4, it could last 5 days.

5. Technical Tools

• Radio Status: A specialized screen shows you the signal strength (RSSI) of the last message, with a visual graph (sparkline) to help you find the best spot for reception.
• Connection Options: Manage Bluetooth (to connect to your phone) and WiFi settings directly.

Who is this for?

• Hikers & Campers: Communicate in areas with no cell service.
• Emergency Preppers: Reliable backup communication when towers are down.
• Tech Enthusiasts: Fun way to chat and experiment with radio tech.
• Groups/Events: Coordinate with friends at festivals or large events where networks are congested.

In essence, WhisperOS turns a simple radio board into a fully functional, standalone communicator that fits in your pocket.

📥 Download

Get the latest firmware at https://ssaprus.works.

📱 Supported Devices

| Device | Notes | | -------------------- | ------------ | | Heltec V3, V4, T114 | Full support | | GAT562 Mesh Watch | Full support | | GAT562 Trial Tracker | Full support | | Wio Tracker L1 | Full support | | MeshTiny | Full support |

🔔 Get Updates

• Discord: https://discord.gg/73jThCU9cw
• Telegram: https://t.me/whisper_dev
• YouTube: https://www.youtube.com/@tsaokoming

The Fine Print 📝

• Testing firmware only: These builds are experimental—please test thoroughly before real-world use.
• Backup your data: Always back up configuration and messages before installing new firmware.
• No warranty: Provided as-is with no guarantees. Test in your intended environment.
• Use responsibly: Ensure compliance with local radio regulations. You are responsible for lawful use.

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