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 was obtained from the December 1990 issue of Radio Electronics magazine. The circuit...
This well-crafted configuration makes use of the 3403, an operational amplifier from Raytheon that...
A capacitor stores electrical charges. This component is formed by two metal parts called...