- 2 5mm LEDs - one per step // 1 for 5v / 2.5v output mode (sw12) // 1 for 5v / 2.5v output mode (sw12) // 1 for 5v / 2.5v output mode (sw12 // 1 for once/cont (sw15 // 2 NO Moment switches: // 10 LEDs - one per step // 1 rotary switch, 5+ positions 10 LEDs - one per step // 1 for manual reset button to run once Pause sequence and.