Based on Allegro's A6275, this circuit controls the brightness of various displays. The circuit is valid for common anode 7-segment displays.
This solar cell powered circuit generates a standard 100 kHz signal. The circuit is from a 1960...
This very simple circuit from a 1995 documentation lets you know which input button was triggered when...
This headlight reminder for your car was found in the May 1970 issue of Radio Electronics...