Sequencing

// Advances through three steps using one shared Next button.

// Advances each step only when that step's own completion input is on.

// Simple traffic light sequencer cycling through Red, Green, and Amber phases.

// Cycles a two-direction intersection with an all-red safety phase before traffic changes direction.

// Runs Fill, Mix, and Drain actuators in order with pause, resume, and reset controls.

// Adds a queued pedestrian request and walk phase to a two-direction traffic light.