This circuit lights the Premises of House around 6 pm and turns off in the morning. Its working is fully automatic and uses the light sensing property of LDR. Unlike other LDR based circuits, it will ...

This circuit project automatically turns on a night lamp when bedroom light is switched off. The lamp remains ON until the light sensor senses daylight in the morning. A super-bright white LED is used ...

Ario today launched a new connected lamp on Kickstarter PBC dubbed the Ario Lamp. The device utilizes 15 years of research at leading institutions including Harvard Medical School, NASA and NIH to ...

[Dillon] wrote in to tell us about his latest project, an automatic light switch for a the hallway closet in his house. Although this project could probably be done very simply, [Dillon] accomplished ...

IN illustration of a paper on selenium, read at a recent meeting of the Physical Society (NATURE, vol. xliii. p. 262), I exhibited an electric lamp which was connected with a selenium-cell and a relay ...

Our engraving represents an improved lamp filler called by its inventor the “ Automatic Lamp Filler,” which provides for the influx of air, as the oil is poured out, obviating the inconvenience caused ...