This circuit was found in a 1970s General Electric documentation. This circuit already used an emitting LED. The circuit operates at frequencies from 50 Hz to 50 kHz with short pulses
This circuit was found in an old American publication. It is valid for any operational. Formulas for...
This circuit can be used as a signal when powered by a car battery, as it also works with 12 V, or...
This shift register was found in old documentation. PUT is not a common component today. The...