Using only one integrated circuit this control was found in an 80's Electronic Engineering. The circuit has the drive's logic information and must be powered by an isolated power source.
This circuit for light data transmission (visible or IR) has a maximum speed of 1 Mbps and can be...
A complete test for opto-couplers can be made using the circuit Bellow. The function generator...
This 3-digit digital gauge was found in the July 1900 issue of Radio Electronics magazine. The...