We found this circuit in an old documentation. Its purpose is to turn on warning lights when the vehicle in a garage touches or passes a sensing bar preventing it from hitting the wall.
We found this circuit in an old American documentation from years 80. The diode determines the frequency...
April 2017 - Mouser Electronics already has the MAX4007 from Maxim Integrated in its inventory, an...
This old configuration using a germanium transistor was designed to operate with variable...