Both UVA and UVB rays can damage your skin, just in different ways. One causes premature aging, the other is more prone to causing sunburn, DNA damage, and skin cancer.

The ICON Digital Circuit Tester is a new test light that is available at Harbor Freight. Unlike an old-school device, this light provides a bright red (positive) or green (negative) LED numeric ...

In this paper, the boost integrated flyback converter derived AC-DC converter for the indoor Light Emitting Diode (LED) lamp application is proposed. The valley fill circuit is employed in the boost ...

In this paper, a single-stage LED driver is proposed for a street lighting system. Two boost circuits that share a single inductor are formed by integrating the switches of a half-bridge LLC resonant ...