Neon Fuse Blown Monitor (CB24104E)

This circuit was found in the January 1971 Radio Electronics magazine. It keeps the light flashing if the fuse blows.

Two Stereo Light Effects (CB17150E)
This circuit was found in a 1999 publication. Its purpose is to flash two LEDs according to the...
Digital Multimeter (CB18680E)
This circuit is based on the well-known digital module ICL7107 feeding 4 displays with...
Square Oscillator LM3900 (CB17389E)
This configuration can be found in other articles in this section. This was obtained in a 2000...