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.
The 60 Hz hum or noise from the power grid (hum, in English) is one of the biggest enemies of...
The 4028 CMOS IC not only contains the complete decade counter, but also the 7-segment decoder...
This circuit was found in an Electronic Design from the 80's. It shows how to use a MOSFET driver with...