I can’t seem to understand the engineering behind non-push buttons. Take for example my coffee maker. I tap my finger on the top of it and it turns on, but theres no physical button, just the power symbol. I figured this would be more fun than asking google.
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How about when there isn’t a button? You just touch anywhere on the base and it turns on (for example, maybe not a coffeemaker but I’ve seen them on lamps, even from decades ago)
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