The circuit shown is used to reset TTL logic when power is established. The circuit uses a 7413 and must be powered by 5 V. The circuit can be adapted to work with microcontrolled applications.
This circuit was obtained in an old publication of 1978. The integrated circuit is the critical...
When an alternator is used to supply constant current, it needs an adjustment that must be made as...
This timer, from an old American publication, uses indicator lamps, but can be modified to use...