This circuit was found in an old American magazine and could make use of more modern components like the TIC106 for the SCR and a diac instead of the neon lamp. The LDR can be of any type and the relay is a high voltage type for alternating current.
This circuit was found in an old American magazine and could make use of more modern components like the TIC106 for the SCR and a diac instead of the neon lamp. The LDR can be of any type and the relay is a high voltage type for alternating current.