Quantity   Component name
4 × Arduino Mega Each Mega would control set of 16 Stepper Motors
64 × Stepper Motor - 200 steps/rev, 12V 350mA This will drive a single module in our split-flap display
32 × Adafruit Motor Shield V2 for Arduino Used to drive all of our Stepper Motors, communicates through I2C
4 × MCP23017 I/O Expander to find Home Position
64 × Reed Switch Used to find Home Position
4 × Meanwell 12V 30A Power Supply
64 × Belt & Pulley 2.5:1 Ratio