This old indicator circuit indicates only when the fuel reaches the sensor level. The integrated circuit is not common today. The circuit was found in documentation from the 1980s.
Found in a Popular Electronics from the 90s, this circuit can be adapted to use modern operational...
The author has many books he had written in Eglish (See the Biography) published by famous...
April 2017 - Mouser Electronics already has the MAX4007 from Maxim Integrated in its inventory, an...