Found in the September 1998 issue of Electronics Now, this circuit uses an encoder with reed switches. The circuit indicates the position of a “indicator” and thus the direction of the wind.
This circuit can be used as a polarity indicator shield the direction of current circulation for...
We found this circuit in a 2002 documentation. The circuit is an emergency lighting system with an...
This circuit was found in Radio Electronics from the 90s. It converts capacitance into frequency...