Found in a Motorola manual from the 1980s, this circuit uses components from the era. The circuit controls lamps from 5 to 48 W from 12 to 14 V.
This simple circuit with sensors formed by bars or separate screens triggers in the presence of...
This circuit is from a 1967 RCA documentation. Components can be replaced with modern equivalents. The...
This circuit allows you to view two low frequency signals on a single channel oscilloscope. It was...