An interactive simulator for the Heathkit® ET-3400 Microprocessor Trainer. Check out the Live Demo and make sure to submit an issue for any bugs you encounter or feature requests!

I am a long-time fan of both Motorola and Heathkit products. This project is intended for educational use and started as a personal challeneg to myself. I am not an employee of, subcontractor of, or compensated in any way by Heath Company, Motorola, or any other company related to the real-world ET-3400 Microprocessor Trainer or its constituent parts. The "Stylized M Logo" is a trademark of Motorola Trademark Holdings, LLC. Heathkit in all uses, the Heathkit name, and the Heathkit logo are internationally registered trademarks of Heath Company.