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.
This circuit of a Popular Electronics from the 90s makes use of components of the time. The...
This circuit for voltages up to about 20 V was found in a 90s Popular Electronics. The LED can be...
In this circuit we have the voltage multiplied by 5, obtaining between 50 and 80 V output when the...