The figure shows a circuit that shows how to control an optodiac to trigger a triac from the LM3914 gates. The circuit is from an Electronics Now issue from February 1998.
This variable oscillator with power step for alarms was found in an American documentation from...
This circuit was found in a 90s Radio Electronics. It produces an ultrasonic signal in a special...
This circuit is only used for resistive loads such as incandescent lamps. The bridge diodes can be...