This circuit was originally designed to measure capacitance with an ICL7107 but can be used with other digital modules. The circuit is from Electronics Now magazine from November 1996.
This circuit was found in a 1985 documentation. It provides an audiovisual indication of the...
This transistorized shift register was found in a 1970s RCA documentation. The used transistors can...
We found this circuit in a 1965 General Electric manual. The components are from the period. Time...