TowerStack little tower stack game using LED matrix YouTube: Hardware Elegoo uno R3 / ATmega328P (amazon) LED matrix (amazon) lever (amazon) Wiring Matrix LC_LOAD_PIN: Pin 10 LC_CLK_PIN: Pin 11 LC_DIN_PIN: Pin 12 GND VCC Lever DATA_PIN: Pin 13 GND VCC Level animation_speed = 150 - (tower_height * 4);