We found this simple car fuse monitor circuit in a William Sheets. The LED lights up when the fuse blows.
This circuit makes use of a special LM195 power transistor not very easy to obtain. The circuit is from...
The components of this circuit from the 70's are no longer common on the market, but it is...
This circuit was found in an Italian magazine Radiorama from 1960, but it can be assembled with...