This circuit can be implemented with common components operating with low-intensity signals. The circuit was found in the April 1987 issue of Radio Electronics magazine.
This conventional slow-moving circuit uses incandescent light bulbs, but can be changed to use...
This TTL dice is from an old publication from 1978, but it can still be assembled, as the...
The purpose of this circuit is to control magnetic door locks activated by the power grid. The...