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.
Other operational amplifiers series, such as MC34072, MC34074, MC35071, MC35072, MC35074 d MC33071...
This transmitter emits signals in the FM range, reaching a few meters away. The modulation...
The consumption of this circuit in the standby condition is only 1 uA. The circuit must be...