LCD Interface with PIC16F877A Starter Board Revision as of 16:08, 28 April 2016 by Sharana (Talk | contribs) (diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

LCD 1x16

	#include "lcd.h"
	int main()
	{
	/*Connect RS->PB0, RW->PB1, EN->PB2 and data bus to PORTB.4 to PORTB.7*/
	LCD_SetUp(PB_0,PB_1,PB_2,P_NC,P_NC,P_NC,P_NC,PB_4,PB_5,PB_6,PB_7);
	LCD_Init(1,16);
	LCD_DisplayString("Explore Lcd 1x16");
	while(1);
	return (0);
	}

view raw pic16f877a_Lcd_4bit_Display_1x16.c hosted with ❤ by GitHub

LCD 2x16

	#include "lcd.h"
	int main()
	{
	/*Connect RS->PB0, RW->PB1, EN->PB2 and data bus to PORTB.4 to PORTB.7*/
	LCD_SetUp(PB_0,PB_1,PB_2,P_NC,P_NC,P_NC,P_NC,PB_4,PB_5,PB_6,PB_7);
	LCD_Init(2,16);
	LCD_DisplayString("Explore Embedded");
	LCD_DisplayString("Lcd 4-bit Mode");
	while(1);
	return (0);
	}

view raw pic16f877a_Lcd_4bit_Display_2x16.c hosted with ❤ by GitHub

LCD 4x20

	#include "lcd.h"
	int main()
	{
	/*Connect RS->PB0, RW->PB1, EN->PB2 and data bus to PORTB.4 to PORTB.7*/
	LCD_SetUp(PB_0,PB_1,PB_2,P_NC,P_NC,P_NC,P_NC,PB_4,PB_5,PB_6,PB_7);
	LCD_Init(4,20);
	LCD_DisplayString("Explore Embedded\n");
	LCD_DisplayString("LCD 4-bit Mode\n");
	LCD_DisplayString("20 x 4 \n");
	LCD_DisplayString(":) :O");
	while(1);
	return (0);
	}

view raw pic16f877a_Lcd_4bit_Display_4x20.c hosted with ❤ by GitHub

=Demo

The images below shows 16x2, 16x1 and 20x4 LCD's interfaced with starter AVR.

• Pic16f877a 2x16 lcd
• Pic16f877a 4x20 lcd