Found in the March 1985 issue of Radio Electronics magazine, this circuit uses a digital module from the time that makes it easy to configure. The circuit uses a bridge thermistor as a sensor.
This circuit was found in a 90’s 303 Circuits. The components are from the period and the heating...
This circuit was found in a 1987 magazine. It consists of an oscillator controlled by the...
This circuit was obtained in a 90s American documentation. The integrated circuit used is uncommon...