Using the 555 and 7400 this circuit was found in the September 1977 Radio Electronics magazine. The power supply must be made with a voltage of 5 V.
The article that teaches the assembly is from a Radio Electronics issue from July 1969. The...
The aim of this circuit is the protection of a 2N3055 transistor, avoiding the overheat. The...
This single trigger circuit has been indicated for photography applications. The circuit is from a...