USB Tester Dashboard

A web-based dashboard for monitoring USB power metrics in real-time via Bluetooth.

Directly use it here: https://hpirila.github.io/usb-tester

Buy Device

Aliexpress

Features

• Real-time monitoring of Voltage (V), Current (A), Power (W), Energy (Ah/Wh) and USB data lines (D+/D-).
• Bluetooth connectivity for live data (Web Bluetooth API).
• Emulator mode for testing without hardware.
• Export data to CSV for analysis.

How to Use

1. Connect your USB Tester device via Bluetooth (Chrome/Edge recommended).
2. View live charts for metrics like voltage, current, and power.
3. Save data using the "Save to CSV" button.
4. No device? Use the "Connect Emulator" option to simulate data.

Setup in local environment

1. Copy the content of this repository to your local location
2. Start web server in the same folder: python.exe -m http.server
3. Open the page in browser http://localhost:8000

Not all browsers support Bluetooth. Chrome and Edge requires the domain to be either localhost or use secure connection with https.

Screenshots

Drone battery charging