This circuit was found in a Popular Electronics from the 90s applying to common automotive signaling lamps. The circuit can be adapted to LEDs.
Mouser Electronics is now offering a reference design board from ST Microelectronics STEVAL-WESU1...
Found in Popular Elecronics, this configuration also appears in this section, but obtained from other...
The circuit shown in the figure can be used on a data transfer bus using an appropriate family...