See how microcontrollers and computers work at the most basic level! We built a functional transistor-scale model of the famous 6502 microprocessor. In this larger than life model, you can visualize internal states and the flow of data.

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Eric Schlaepfer

Eric Schlaepfer is the designer of the dis-integrated “Three Fives” 555 timer and XL741 electronics kits. He has also built tabletop replicas of vintage vector arcade games, CRT clocks, and nixie tube clocks.

Windell Oskay

Windell Oskay is the co-founder of Evil Mad Scientist Laboratories, and co-author of The Annotated Build-It-Yourself Science Laboratory. He holds a Ph.D. in Physics from the University of Texas at Austin.