Electronic Design

Solar "Day Lamp" Also Powers FM Receiver (.PDF Download)

A solar-powered, daytime-only lamp without a battery for energy storage may seem to be a marginally useful device, but many areas in homes and offices are relatively dark, even during the daytime. This "day lamp" provides light throughout the day from a nearby solar panel, and also provides regulated auxiliary power of 0.5 W for a small load (such as an FM receiver) at very small incremental cost...

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