With this circuit, using a single control voltage, you can increase the brightness of the lamp while the brightness of another decreases. The circuit applies only to incandescent lamps.
I found this circuit in a 1992 Electronics Experimenter Handbook. The circuit can be easily...
Found in the February 1990 Radio Electronics issue, this sophisticated 100 MHz probe uses a period...
Found in 90s Popular Electronics, this circuit fires a load through a MOSFET from an audio signal...