This circuit was obtained from the February 1992 Radio Electronics magazine. In it, a bar of 4 LEDs flashes continuously at a speed given by C1 and the setting of R3.
The components used in this 80's circuit are uncommon today. The circuit is intended for...
The purpose of this circuit is to produce a quick discharge on a shorted battery to attempt its...
We find this vibrato configuration with transistors in a 1987 documentation. The components are still...