Automotive Fuse Monitor (CB26299E)

We found this simple car fuse monitor circuit in a William Sheets. The LED lights up when the fuse blows.

Wave filter for short wave receiver (CB20936E)
This circuit is tuned to reject stations of different wave bands that may be interfering with the...
5V Calibrator (CB20759E)
This circuit generates a 5V rectangular signal. The circuit is suitable for calibrating TTL...
2 V voltmeter ICL7117 (CB15358E)
This circuit has a 2 V full scale using a 4-and-a-half-digit A / D converter. The circuit is...