This circuit was obtained from a 1947 amplifier manual. The circuit makes use of a transformer source, but it can also be battery powered.
We found this time base of 0.1 to 90 seconds in a circuit manual from the 90s. The single-use...
November 2016 - Mouser Electronics is indicating in its inventories the new NXP Kinetis L MCUs....
The purpose of this circuit is to determine from the position of the float which of the pumps...