Found in a 1965 General Electric Hobby Manual, this timer was originally created to operate with photo magnifiers of the time. The circuit can be adapted for other purposes.
This circuit was found in a Radio Electronics magazine from November 1991. The circuit operates at 2.2...
In the publication in which we found this circuit, it is suggested for applications in clandestine...
This circuit was found in a 1966 EEE. It is intended for automatic switching of the measurement range of...