Despite being found in a 1980 publication, this circuit uses components that can still be found easily. The circuit feeds an array of LEDs that run randomly, stopping at one.
This self-oscillating voltage conversion circuit was found in an American 1980s documentation. The MOSFET...
This high-performance circuit was found in the 1982 SGS Linear Integrated Circuits Manual. The...
This is a very simple configuration with a power transistor to control a DC motor from 3 to 12 V...