The figure shows how to implement a filter against interference caused by the switching of a triac. The circuit is from a Radio Electronics from April 1987.
Lamps in the range between 20 and 50 mA can be used. Voltage supply is according the lamp and...
The purpose of this circuit found in an old documentation from the 90's is to switch on low...
This configuration, which appears elsewhere on this site, was found in documentation from the...