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.
Found in a 90s Maxim's documentation, this circuit applies to almost any comparator. | Clique na...
Found in 969 documentation, this circuit generates sweep signals from 1 Hz to 100 kHz. The...
This circuit was found in Motorola's 1968 documentation. The SCRs are then replaceable with...