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.
The purpose of this circuit is to connect an appliance (fan, lamp, motor, soldering iron, etc.) or an...
Found on an 80's Radio Electronics, this two-section circuit is designed to pass the frequency...
This power step for relay activation was found in the 1964 RCA transistors manual. The circuit is of the...