This circuit can be used as an amplifier for musical instruments or even with your cell phone. The circuit is old and was found in the 1990 edition of Radio Electronics Experimenter magazine.
This circuit was found in the July 1992 issue of Radio Electronics magazine. The circuit is based...
The circuit illustrated in Figure allows external loads (8) to be driven from parallel port...
The sensor of this circuit is a thermistor of the same value as the adjustment circuit formed by...