This circuit uses a transistor as a sensor and operates in the range of 0 to 50º C. We found it in old documentation. Operational equivalents can be used.
The purpose of this circuit is to sense the water level in the windshield wiper reservoir. The circuit...
We found this circuit in Popular Electronics from January/February 1969. The circuit must be...
This circuit shows how to interface a CMOS circuit with a microcontroller or other circuit using an...