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.
This system of sequential lights for shop windows, discotheques, stores, does not use integrated...
We found this circuit in a 2002 documentation. The circuit must be powered by a symmetrical source...
This circuit was published in an Italian magazine Radio Elettronica in February 1976. The...