We found this circuit in a Popular Electronics from the 80s. This circuit eventually doesn't work with modern, higher speed controls. Experiments must be done.
Frequencies from 1 to 10 MHz can be obtained with a small adjustment of the variable in a narrow...
This flasher of two incandescent lamps was discovered in a 1983 documentation and it has two...
We found this trebble booster circuit in a 1990 documentation. The components are current, and the...