This temperature control was found in General Electric documentation from the 90's. The circuit uses a 10k ohm NTC sensor as a sensor. The triac must be in accordance with the controlled load.
Found in Popular Electronics this circuit will trigger a buzzer if the ignition key is removed...
Found in the July 1968 Supertena Bulletin of a Popular Electronics, this receiver makes use of the...
This common metronome configuration has already appeared in several of our articles and projects. This...