Using a bunch of small push buttons harvested from old CD players, he rigged this unique way of mounting LEDs. Each LED has two buttons under it. They are wired in parallel, so if either of them ...
House Digest on MSN1y
What Are Push Button Light Switches (And Why You Don't See Them Anymore)Before we could turn on our overhead lights with the simple flick of a switch, we had push buttons. In 1884, electrical ...
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