We found this circuit in Radio Electronics from the 90s. The components are current. The sensor is a common general-purpose transistor. The connection to the sensor is made by twisted pair.
Despite being a circuit found in an Argentine publication, it seems to us that the original is...
This simple transistor amplifier is from 1982 documentation. The output transistor must be mounted on...
This Cross Fader as it is also known causes the brightness of one lamp to increase while the...