Marquee displaying the text that is sent over the USB port circuit i. … The program used to send text with visual basic source codes prepared and have built on the 8 × 32 dot Pic18f4550 circuit matrix LEDs... Electronics Projects, PIC18F4550 USB Marquee Display Scrolling Text Circuit LED Visualbasic "microchip projects, microcontroller projects, " Date 2019/08/02