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.
November 2016 - The new Ohmite TO-126 power resistors in the range of 0.09 Ω to 51 kΩ with...
With this circuit found in an American documentation from 1969 it is possible to vary the...
This circuit was found in the June 1991 issue of Radio Electronics magazine. The circuit uses two...