The idea of this circuit is that when the device in SO1 is turned on, the device connected to SO2 automatically receives power. The circuit is from Radio Electronics from January 1985.
This circuit indicates a digital value through a moving bar. The circuit is TTL and must be...
This circuit was found in an Electronic Engineering of the 80s. The circuit indicates when a...
This configuration is from an old Motorola publication from the 70s. In it we have the way to...