This circuit for incandescent lamps was found in the February 1972 Radio Electronics magazine. The triac is rated according to the lamp power and the sensitivity adjustment is made in R1.
n be assembled with BC558 transistors for low power transistors and a BD136 for the output. The...
This circuit, found in 1980s documentation, produces a rectangular signal of the same frequency as the...
This mixer with few components can be tried by the reader who needs this circuit, but who does not...