The circuit above is an light sensitive automatic switch which functions in absence of light. The IC 4060 works as an oscillator and the generated signal is applied to the base of T4 transistor.

Optronics International, an electronic control systems and LED lighting manufacturer, recently released its TLL75 Series LED flood beam work lights and STL13 Series 4-inch round LED stop, turn, tail ...

Koito Manufacturing has patented an automotive lamp featuring a temperature-sensing element that adjusts the driving current of a semiconductor light source based on temperature changes. The design ...