Found in a 90s Popular Electronics, this circuit uses a simple 9 V source. The power can be used from the circuit with which it works.
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...