11-30-17 Inputs: -the input must closed/triggered long enough for the program to loop through one time -input ideas: trigger a ball release, use copper tape to make a switch, catch and hold the pinball Arduino programming: your pinball program is like your stoplight program- an input (the button) triggers and output (LED). –basic structure of an Arduino program with if/else -programming servos using Arduino BEFORE you send me a design for laser cutting read the laser cutting guidelines. Designs for the 3D printer must: -be your own design -be no larger than 120mm by 120 mm -emailed to drakd3dprinter@gmail.com