This is one of the many versions of this oscillator that we have on our website. We found it in an article in Radio Electronics magazine from January 1987. The frequency depends on C1.
This circuit was found in an old publication and can be adapted for use with modern...
Rectangular signals up to a few hundred kilohertz can be generated with this circuit, which is...
The lie detector we presented was created by a professional detective and found in a 1982...