This circuit uses a lamp driven by the Hertz loop and measures its brightness with ordinary photovoltaic cells. The circuit is from a Radio Electronics from February 1964.
April 2017 - Mouser Electronics is making available this new component for open LED protection...
This two-transistor circuit was found in the January 1994 issue of Electronics Now magazine....
October 17, 2016 - Mouser Electronics, Inc. is now offering the Blue Gecko BGM113 Bluetooth®...