Rotorflight Telemetry Widget for RadioMaster TX15

A comprehensive telemetry display widget designed specifically for the Rotorflight helicopter when used with the RadioMaster TX15 transmitter.

Overview

This Lua script provides real-time telemetry monitoring for your Rotorflight , displaying critical flight parameters in an easy-to-read format optimized for the TX15's screen. Simply copy to your SD card and activate in App Mode.

Features

• Helicopter-Specific Layout: Tailored display for Goblin S2 MAX parameters
• Real-Time Telemetry: Live updates of voltage, RPM, temperature, and signal
• App Mode Optimization: Full-screen display without transmitter UI clutter
• Low Battery Alerts: Visual and audio warnings (configurable thresholds)
• RSS Signal Monitoring: Signal strength bar with loss counter
• Flight Timer Integration: Automatic timer start/stop based on throttle

Requirements

• RadioMaster TX15 transmitter (or compatible T15 series)
• OpenTX 2.3.x or EdgeTX 2.8+ firmware installed
• Rotorflight with compatible telemetry receiver (elrs)
• Telemetry link established (RF module and receiver bound)
• MicroSD card (formatted FAT32)

Detailed setup document: Please refer to SettingDocument

Thank you to my friend 【Thanh Tieu】 for writing the detailed setup document.

Installation

1. Copy the Script
   Create a folder named DBK_Dashboard inside the WIDGETS directory and place the script inside: WIDGETS/DBK_Dashboard/main.lua

2. SD Card Structure
   Ensure your SD card has this structure:

TX15/
├── WIDGETS/
│   └── DBK_Dashboard/
        └── logs
│       └── main.lua
│       └── TG5_5.png
│       └── rs5.png
├── SOUNDS/
├── MODELS/
└── IMAGES/

3. **Safety Checks**  
- Verify telemetry is working (check in Model Settings → Telemetry)
- Test voltage sensor is receiving data
- Confirm throttle stick activates the timer

## Setup Instructions

### Step 1: Add the Widget
1. Long-press the **MDL** button
2. Navigate to **DISPLAY** menu
3. Select an empty screen or replace existing one
4. Choose **App Mode** (critical for full-screen display)
5. Press **ENTER** and select `DBK_Dashboard` from the widget list