Twilight Simulator (CB26055E)

This circuit simulates dusk by slowly dimming an incandescent bulb. It was found in the August 1998 issue of Electronics Now magazine.

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Driver Darlington (CB8957E)
This circuit was obtained in a 1960 documentation of General Electric. It is applied in the...
Outboard Motor Sound (CB11583E)
This circuit produces the sound of a motorcycle or an outboard motor. The frequency is adjusted in the...
DTMF decoder with the 567 (CB12675E)
Another application circuit for the NE567 is shown in the figure. It consists of a decoder for...