Found in Linear Technology documentation from the 1980s, this circuit has an accuracy of 0.01%. The circuit uses components of the time.
This 1990 circuit uses LEDs on a display with individual LEDs that form the hours and minutes. The circuit...
This detector uses an unusual sensor today. The circuit is from an 80s documentation. Its...
This circuit is from Motorola's Linear Interface ICs from 1993. The MC1723 is the equivalent of...