This circuit from March 1984 Radio Electronics is intended to allow the use of an oscilloscope to measure capacitance. The circuit uses common integrated circuits.
We found this circuit in an old documentation. The instrument can be an ordinary multimeter in the...
This simple electroscope with bipolar transistors is not the most sensitive, but can detect static...
This circuit was found in an old Popular Electronics. It causes an LED to pulse and, at the same...