This dimmer for incandescent lamps using triac and an LF7237 IC was found in May 1985 Radio Electronics magazine. The circuit supports extension buttons.
The purpose of this circuit is to provide the distribution of analog video signals between several...
This circuit causes an LED to flash at a frequency determined by the capacitor. The circuit is...
Using two 567 PLLs, this circuit recognizes two audio tones in sequence providing a signal for a...