This circuit was found in February 1976, Radio Electronics magazine. The circuit is quite sophisticated using a fast-acting (thermometric) sensor and analog indicator.
With the indicated components, this circuit oscillates around 3.6 kHz. The components can be...
To work with the above circuits, this decoder provides an output of 10. The circuit is from an...
These circuits were found in the February 1995 issue of Electronics Now magazine. The circuits have...