The figure shows how to couple two TTL circuits using an optical coupler to obtain isolation. The circuit is shown in the August 1992 issue of Radio Electronics magazine.
Amphenol Sine eco | mate ™ connectors can be purchased from Mouser Electronics for a variety of...
We found this circuit in an Electronics Now from the 1990s. The circuit crashes when light strikes the...
Designed by Philips in 1968 to control the washer water level this circuit uses components from the era....