This circuit was found in a 90s Electronic Design. The circuit directly controls a triac that is loaded with a heating element. The triac depends on the power on the load.
This circuit prevents damage by accidentally reversing the power supply polarity. The circuit is...
This circuit was found in a Texas Instruments’ publication. The circuit must be powered from dual...
This circuit was obtained in a 1975 magazine, but it can be easily assembled using BC548...