Keep your home safe and visible at night while saving energy via quality outdoor motion sensor lights. We tested today’s top ...

Automatic light/dark indicator systems have very common utilities in day-to-day life. Such applications include street lighting at night, morning alarm, automatic emergency light and dark activated ...

This light sensor switch circuit allows the automatic connection of a lamp when the light is low (at nightfall) and will maintain the lamp ON for a certain period of time. This time can be adjusted ...

Cyclists can already choose between plenty of cheap spoke-mounted LEDs that turn their bike wheels into highly-visible "rings of light" while they're turning. California-based startup MonkeyLectric ...

Apple Senior VP of Worldwide Marketing Phil Schiller says the new iPod touch is just too thin for an ambient light sensor. That's according to a purported e-mail exchange between Schiller and an ...