This circuit consists of an electrostatic sensor that can check if a cable is energized by simply approaching it. The circuit is from an Electronics Now from December 1998.
With this circuit it is possible to visualize the characteristic curve of a component on an...
This game of speed or who is the fastest uses a digital display. The circuit was found in a 1991...
This amplifier was found in a 1967 Japanese documentation. The circuit has no output transformer, but the...