The figure shows a circuit that shows how to control an optodiac to trigger a triac from the LM3914 gates. The circuit is from an Electronics Now issue from February 1998.
This is a basic version of the Tesla coil that does not use semiconductor devices, found in an old...
This circuit was found in a National Semiconductor manual from the 1980s. The integrated circuits used...
This circuit uses an optical coupler called Raystor created by Raytheon in the 1960s. The circuit...