Marquee circuit built on the pic16f628 microcontroller circuit 8 X 80 LED matrix used LEDs is being prepared with the source software assembly circuits 74HC595. asm, cod, etc. have proteus isis simulation file. marquee circuit computer with rs232 interface... Electronics Projects, Scrolling Text Circuit LED Matrix PIC16F628 74HC595 "microchip projects, microcontroller projects, pic16f628 projects, " Date 2019/08/03