The sensors in this circuit that triggers when the temperature goes out of a certain range are common diodes. The circuit is from the 1991 Reista Electronics Experimenter's Handbook.
The figure shows how to use an LM3914 with a variable range moving point. The circuit has an...
This circuit interfaces audio signals with 50-ohm lines. The source must be symmetrical and the...
The circuit shown in the figure generates a square signal (50% active cycle) when the pressure switch...