This sequential circuit appears in other versions on this site. This is from American documentation from the 1960s. The speed of the effect is set to R1.
Found in Radio Electronics from the 90s, this circuit uses a 741 and can be changed to other...
The circuit is of the Motorola Linear Databook of 1990. The power source must be symmetrical and the...
This circuit was found in a 1980s documentation. The operational amplifier is of a common type at the...