This circuit was found in a Signetics documentation from the 1980s. Next to the figure are the waveforms of the generated signals. The transistor admits equivalent.
We found this circuit in the August 1994 issue of Electronics Now magazine. The circuit is based on...
This circuit from a Radio Electronics from February 1966 uses an LDR as a sensor. The transistor is a...
Originally, this circuit was created to monitor the liquid level in the reservoir of a car's...