This circuit uses an optocoupler with a phototriac or optotriac to drive an external triac. The circuit is from a Radio Electronics magazine from December 1989.
This 80's circuit uses an integrated amplifier of the era, but nothing prevents it from being...
This power supply was found in a RCA publication from the 1970s. The circuit uses transistors from that...
Maxim MAXREFDES67 Universal Analog Input Micro PLC is ideal in factory automation because of its...