This circuit was found in the March 1995 issue of Electronics Now magazine. The circuit requires a symmetrical power supply, and the FET is a common general-purpose type.
This charger can be used with one to four AA, AAA, C or D cells. The maximum current is given by R...
This wireless infrared remote sound transmitter is from an article published in the August 1988...
This circuit turns on an old cassette recorder when the telephone rings, thus enabling the...