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 detector uses an unusual sensor today. The circuit is from an 80s documentation. Its...
Found in a 90’s Popular Electronics, this circuit applies to almost any operational amplifier. With...
This circuit divides the voltage of a 6 to 15 V source by 2 in order to obtain a symmetrical...