Found in Popular Electronics from the 90s, this circuit aims to drive a solar panel, constantly changing its position to follow the movement of the sun.
Using the CK722 this directional photometer was published in Radio Electronics magazine in July...
This is perhaps one of the first capacitive discharge ignition circuits published in a magazine. It...
This blinker for LEDs up to 500 mA was found in General Electric documentation from 1970....