Found in 1967 documentation, this circuit makes use of period transistors and drives a common light bulb. Nothing against it being adapted to use LED.
In the figure we have a battery charging circuit for currents up to about 5 A. In series with the...
This non-inverting AC amplifier was found in the February 1990 issue of Radio Electronics...
This circuit was obtained in the publication 101 Electronic Projects of 1979. The circuit can also...