This dimmer was found in the Electronics Experimenter Special projects of 1983. The circuit uses common components. The MOSFET can be of any type according to the lamp.
This circuit is from Popular Electronics from the 90's. The circuit discharges the battery with a...
We found this time base circuit in a timer project from the August 1972 Radio Electronics...
This sonic switch, vox or sonic relay uses a Darlington of the time that has a gain of 10,000. The...