This is a Light Tester for the Tommy System. These are plugged into the light output headers on the Tommy System and allow the user to test programs and drivers on the Tommy System without having to hook up an entire pinball machine. I will be designing a board for the mosfets (simulate solenoids) and a switch board for the inputs.
In a couple days I will make a page to document the Tommy Pinball System and announce the complete specs.
Resistor arrays? So many ins line makes my tweezers hurt!
The reasoning is so you can use different color LEDs.