we noticed that the incandescent lamp in one of the jack-o’-lanterns was burnt out. Instead of simply replacing the outdated bulb, we decided to build a small dark detecting circuit with 2 ...

In a series circuit, the current passes from the power ... Taizhou Haoran Machinery sells machines that create LED holiday light strings. Here's how it works. First, the wire is fed into the ...

Which is why we appreciate this quick hack from [Tilma]. When faced with a broken LED light and minimal equipment, he decided to transplant the repaired electronics into a scratch-built wooden ...