This circuit behaves as a voltage controlled resistor and can serve as a small load. The circuit is from a Radio Electronics from July 1988.
November 2016 - Texas Instruments' new TPS62135 and TPS621351 step-down converters with a wide...
This circuit was found in a May 1981 Radio Electronics magazine article. The circuit is offset...
This interesting capacitive water level sensor was found in Popular Electronics. The circuit can be...