Automotive Fuse Monitor (CB26299E)

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

Electronic Head or Tail (CB17079E)
This circuit with integrated TTL 7400 has a good teaching purpose, drawing one of two LEDs. The...
JFET Preamplfier (MSB046E)
The preamplifier using JFET presets a high input impedance and very low distortion. The input...
5-Step Sine Wave Generator (CB24476E)
The figure shows how to generate a sinusoidal signal using 4 flip-flops. The circuit is from a...