This circuit was found in a 1977 documentation. With it we have the direct indication, through LEDs of an ASCII signal. The circuit must be powered by a voltage of 5 V.
This circuit is from a documentation from the 70s. The circuit uses logic gates of the time, which...
We found this circuit in the October 1988 Radio Electronics magazine. The circuit is still current...
This CMOS logic-based circuit was found in the April 1974 issue of Radio Electronics magazine. The circuit...