This TTL sequential flasher circuit was found in the January 1981 issue of Radio Electronics magazine. It is powered by 5 V. The frequency can be adjusted by R1.
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...