Powerful IR Emitter (CB26030E)

This modulated circuit was found in the November 1997 Electronics Now magazine. The power transistor can be any MOSFET,

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Electronic flash (CB23732E)
This electronic flash circuit was found in the March 1961 Radio Electronics magazine. The circuit...
10-Channel Up Down Sequential (CB16982E)
We found this circuit in a 1990 documentation. It is totally up to date by the components it uses...
Space Gun (CB13034E)
This is a special circuit with very interesting effects, which can be added to electronic games,...