This LED special effects circuit was found in the February 1992 Radio Electronics magazine. The circuit uses 4 LEDs and is controlled by R3.
Based on the LF256 operational amplifier, this circuit was found in the September 1989 issue of...
We find this circuit in a 1980s documentation. The circuit can be applied to modern operators with...
January 2017 - New ROHM TFZV series of zener diodes is now available from Mouser Electronics. The...