Most ambient lights and sensors are designed to generate ... light bleed from the back of an LCD display. This Arduino-powered Shiftbrite LED ambilight setup takes things a step further by ...

Pictured above is the sensor portion of what [Frapedia] calls his visual rain sensor ... small an needs to be replaced with a much larger LED meter.

In this article, we implement a rain and ice sensor by analyzing the reflection of an infrared (IR) light source ... technical advantages offered by the LED device, such as increasing the power ...