Pic16f874p alphanumeric LED display driver circuit board with microcontroller builds on the applied bred led display 74HC238, 74HC238 is driven by com also has a connection with max233 pcb printed circuit drawing in addition to the (eagle) there. PIC... Electronics Projects, Alphanumeric Display Drivers Circuit with PIC16F874 Hi tech C "hi tech c examples, microchip projects, microcontroller projects, " Date 2019/08/01