With a single LED on the scale, this voltmeter has low consumption. The circuit was found in the March 1992 issue of Radio Electronics magazine.
In the figure we have the way to implement a monostable with a comparator 139, 239 or 339. The...
July 2017 - Mouser Electronics is providing the TE Connectivity PTF Series Platinum family RTD...
This circuit was found in an American documentation from the 90's. The circuit can use almost any...