Each of the seven segments is a single 0201 LED. Six I/O lines ... Hoping to reduce the module’s interface to two pins, Sam is now experimenting with a seven-segment display on a flex PCB ...
That’s the case with this neat tutorial from [Rahul.S] on driving a 7-segment LED display with an FT232. By using this cheap USB to serial controller, [Rahul.S] was able to drive the display ...