Thanks for the tips! 1) Feature 4 definitely is a must. 2) Feature 5, not sure what would work well. 3) Feature 6, No idea what is Rube golberg style! 4) Fe

Thanks for the tips! 1) Feature 4 definitely is a must. 2) Feature 5, not sure what would work well. 3) Feature 6, No idea what is Rube golberg style! 4) Feature 7, not sure what you mean but there are LEDs - analog, digital and RGB LEDs