All details were shared with the marquee circuit computer control program atmel at90s2313 source software image format PCB, schematics and drawings have OrCAD source. The marquee on the circuit The marquee circuit 350 leds microcontroller atmel at90s2313 LEDs 7... Electronics Projects, Atmel AT90S2313 Computer-Controlled Scrolling LED Text "avr project, microcontroller projects, " Date 2019/08/02