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.
We found this circuit in an Analog Devices documentation from the 90s. The circuit is based on a...
This circuit turns off a load after an interval of 8 to 80 seconds adjusted on the potentiometer. The...
Found elsewhere in this section, this circuit is from the April 1971 Radio Electronics magazine. Note...