ALL of Darth Vader's Buttons and What They Do - Star Wars Explained

What do Darth Vaders buttons do? You'd be surprised, they're more than just knobs for his respirator. When Sidious designed them in Revenge of the Sith, he kept everything in mind from control to making sure the lights and sounds annoyed him just enough to keep him tapped into the dark side, and remember his failure regarding his loss to Obi-Wan Kenobi.

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