If you fondly remember drawing circuit diagrams at school, this lamp will make you smile: Its designers created it to mimic the line-drawn circuit plans that make it work. The lamp—called Node ...

This electronic lighting dimmer circuit is used to control the lamp for arbitrary brightness. This electronic lamp dimmer circuit work for incandescent lamp, not a fluorescent one. The dimmer circuit ...

The circuit diagram shows a circuit with two lamps connected in series. If one lamp breaks, the other lamp will not light. Series circuits are useful if you want a warning that one of the ...