This circuit uses components that are still common despite being from 1995 documentation. The circuit can be powered by 6 to 12 V voltages and the speed of the LEDs' sliding effect is set to P1.
Found in American documentation from 1968, this circuit uses both diodes and a neon lamp to...
This circuit was found in a Radio Electronics from June 1966. The transistor is from the time. The...
This circuit generates two pulses per cycle of alternating voltage for full wave control. The...