Found in an 80's Hands On Electronics, this circuit turns on a light when it gets dark and goes out when it gets dark. The circuit can be adapted to use high-brightness white LEDs.
August 2016 - Mouser Electronics already has in stock the new MCP1501 voltage references from...
Instead of LED bulbs, LEDs with a series 470 ohm 1k resistor can be used in this 80's circuit....
We find this automatic battery charger in an 80s ON Semiconductor circuit and application manual. Bridge...