DIY radio. Your way.

Your radio.
Your touchscreen.

Touchscreen firmware for DIY ESP32-S3 RC transmitters. Set up your cars, crawlers, and boats with controls, battery levels, and link status in view.

Build the hardware. Connect over USB. Install with the companion app.

TRANSMITTER DASHBOARD INTERACTIVE PREVIEW
TX BATTERY 8.4V
MODEL 01: MODEL 01
Main screen mirror

recommended / companion apps

Connect. Install. Make it yours.

Choose your device, connect your supported board over USB, and follow the app. No source code editing needed. Check hardware requirements →

DESKTOP / USBComing soon

Install from Windows.

Use a USB data cable. The companion guides you through setup, firmware updates, recovery, and model backups.

View Windows releases
ANDROID / USB OTGComing soon

Install from your phone.

Connect with a USB OTG adapter and data cable. Set up your transmitter, install updates, and keep your model backups with you.

View Android releases
Prefer the browser?Chrome or Edge on a PC can install and configure over USB. Browser tools are in alpha.Open browser tools →

before your first drive

Set up safely, then enjoy the drive.

Take a moment to check your controls and link before applying drive power. Always test with the vehicle restrained or its wheels off the ground.

Choose an installer
  1. 01
    Connect your transmitter.

    Use the companion app or browser tools to install SourceTX and choose your model.

  2. 02
    Check your controls.

    Center the steering and throttle, confirm their direction, and check the receiver link.

  3. 03
    Test before driving.

    Keep the vehicle restrained, keep throttle ready to stop, and stop if the controls or link behave unexpectedly.

for teams and businesses

Interested in working with SourceTX?

We are open to conversations about hardware, distribution, testing, and RC vehicle projects. Tell us what you are building and how SourceTX could help.

Hardware projects App and distribution Testing and integration
Contact on GitHub Talk on Discord

Licensing and support arrangements can be discussed for each project.

Try the dashboard

Tap a model, timer, or signal card to explore the preview.

Swipe across the dashboard to see every control, or turn your phone sideways.