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Interface LCD with PIC

Description

Liquid crystal display is a very essential part in all embedded devices form calculator to printing machines,LCD works with voltage pluses, with two are more kind of IC drivers in LCD display from LCD module.

LCD Pin Configuration

LCD Command

Hardware Required

  • LCD.
  • PotentioMeter.
  • PIC16fa77a MicroController.

Circuit

Virtual Circuit

Code

 sbit LCD_RS at RB2_bit;
 sbit LCD_EN at RB3_bit;
 sbit LCD_D4 at RB4_bit;
 sbit LCD_D5 at RB5_bit;
 sbit LCD_D6 at RB6_bit;
 sbit LCD_D7 at RB7_bit;
 sbit LCD_RS_Direction at TRISB2_bit;
 sbit LCD_EN_Direction at TRISB3_bit;
 sbit LCD_D4_Direction at TRISB4_bit;
 sbit LCD_D5_Direction at TRISB5_bit;
 sbit LCD_D6_Direction at TRISB6_bit;
 sbit LCD_D7_Direction at TRISB7_bit;
 void main()
 {
 Lcd_Init();
 Lcd_Cmd(_LCD_CLEAR);
 Lcd_Cmd(_LCD_CURSOR_OFF);
 Lcd_Out(1,1,"MAKERTECH");
 } 

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