Story
Flowing LEDs
In the center of this circuit are IC NE555 and IC 74HC595, the two push buttons can change the status of the LEDs, the starting point of the lighting cycle. This circuit assembly contains two shift registers with the help of which the information transferred through the serial interface can be transformed into information on the parallel interface. It has 8 outputs and 3 inputs.
For example, it can be used in projects where you want to control a large number of LEDs, having only a small number of pins from the driver.
It can work with low voltage [5-6V].
Have fun with it !
Note: I am not the original author of this circuit.