This circuit, which can act as a shield, was found in a 1970s American documentation. The configuration can be applied to modern equivalent integrated circuits.
This circuit is from 1988 documentation. It uses a range of 30 LEDs driven by 4017 integrated...
This circuit was found in ancient American documentation. It makes use of the operational...
The circuit shown in the figure generates signals of 6 Hz and 1 Hz, which can be used in...