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 for analog video signals was found in old American documentation. The transistor...
This circuit was suggested by Motorola in 1980s documentation. The circuit employs an operational of...
This circuit is from an American cookbook from 1977. The circuit generates a voltage of...