This circuit was found in a 1966 EEE. Transistors support modern equivalents and the waveforms are given next to the diagram.
Found in a 90s Electronic Design this circuit provides an additional 12 V output to a 5 V...
Three of the four gates found in a 4001 can be used to perform as an AND gate. This improvisation...
This circuit uses two sensors that are placed at the intersection of a miniature railroad, causing the LED...