Led SwitchOn Delay With Functional Button

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What You Need to Know Before Design

  • AND
  • NOT
  • OR
  • Adding a Line Label

Diagram Algorithm

  • When the two buttons are pressed at the same time, the first lamp lights up.
  • When three buttons are pressed in the system with three buttons in total, the second lamp lights up and the motor enters the circuit.
  • The system can also be shut down with the Stop button.

Diagram Solution


  • When Button_A and Button_B are pressed at the same time, the Lamp 1 lights up.
  • When Button_A, Button_B and Button_C are pressed at the same time, the Lamp 2 lights up.
  • When the Lamp 2 comes on, the Motor starts to work.
  • A Stop Button has been added to stop the entire system.