Gear Playground
link to
Illustrator file
Some specs:
Motors & touch switches: Lego NXT
Microcontroller: Arduino UNO R3
Arduino shield (Arduino/NXT interface):
EVShield from Mindsensors.com
Software:
Arduino program on Github
Note required Arduino library
EVShield
seems to have an issue in current Arduino IDE 1.8.10, something about touchscreen methods...
References:
Inspiration from Andrew Carle
Josh Burker's tinkering with gears
Tinkering studio ideas and files for LEGO pegboard