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 simple MW radio circuit with two transistors was obtained in an Argentine publication from...
The circuit presented is from the Linear Applications Handbook of the National Semiconductor of...
This circuit uses a Hall sensor in the feedback of signals that produce oscillations. The circuit is...