This biestable vox circuit was found in an old documentation. The circuit makes use of components of the time (80's) and can work as a shield since the power is 5 V.
The presented circuit provides voltages from 4.5 V to 12 V with currents up to 1 A. We obtained this...
This circuit was found in the March 1980 issue of Radio Electronics magazine. It is based on the...
Found in older American documentation, this circuit can monitor 3 or more voltages determined by...