This is one of the many 555 based car alarm circuits that we have on our website. We found it in a 90’s American documentation. The circuit has double timing.
This circuit deactivates devices powered by the power grid so that when the power returns, they do...
This conventional oscillator with the 741 can be precisely adjusted to produce a 400 Hz signal. The...
This circuit was found in an ancient American documentation. The integrated circuit is of the time...