TC Logo Connect

Connect your LEGO® Interface A to a modern device via USB-C.

Drive your Interface A from a modern PC, Mac, or Android device, running the original TC Logo software through a custom DOSBox-X emulator.

TC Logo Connect

The USB-C bridge that links your vintage Interface A to today's devices.

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Update Utility

Keep your firmware up to date, straight from your browser — no tools needed.

Update

Download TC Logo Software

The original abandonware TC Logo software, preserved on the Internet Archive.

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Custom DOSBox-X emulating the original ISA card so it can connect to the Interface A.

Download for Windows Download for Mac Download for Android

Latest v1.0.4, tested on Windows 10 Pro 64-bit 22H2, Windows 11 25H2, macOS Sequoia and above, Android 11–17 on Pixel, Samsung Galaxy and Amazon Fire tablets (arm64 sideload, minimum Android 9).