AC mains operated single LED flasher circuit, built using the popular CMOS timer chip TLC555 is shown below. The whole circuit is powered directly by the grid supply of 230VAC through a capacitive ...

Fluorescent lights aren't on the top of many people’s favorites list. Ever since they were introduced at the New York World’s Fair in 1939, they've been notorious for their cold, bluish light that is ...

The folks at Alpine Electronics asked if I’d like to take apart their LED tube light which is intended as a replacement light for fluorescent lighting. Who could resist an offer like that? Alpine sent ...