alphanumeric lcd as counter

  
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The communication technique with the LCD is the same like the last lesson, and for the current experiment we have added a counter which counts between 0000 and 9999. Our counter increments with 1 second delay. /* ` <7465> * ` Lesson nr. 16: ` Alphanumeric LCD as counter mode. ` Done by: ` Aureliu Raducu Macovei, 2010. ` ` In this exper
alphanumeric lcd as counter - schematic

iment we will work with alphanumeric LCD. Communication ` with LCD will be performed through 4-bits and connections is made as ` follows: D4 with RB0, D5 with RB1, D6 with RB2, D7 with RB3; ` RS with RB4 and EN with RB5. ` To make this project more interesting, a counter is added ` (counts from 0000 to 9999) with a delay of 1 secunde. ` Test configuration: ` MCU: PIC16F628A ` Test. Board: WB-106 Breadboard 2420 dots ` SW: MikroC PRO for PIC 2010 (version v4. 15) ` Configuration Word ` Oscillator: INTOSC:I/O on RA. 6, I/O on RA. 7 ` Watchdog Timer: OFF ` Power up Timer: Disabled ` Master Clear Enable: Enabled ` Browun Out Detect: Enabled ` Low Voltage Program: Disabled ` Data EE Read Protect: Disabled ` Code Protect: OFF ` <7465> * */ // LCD module connections sbit LCD_RS at RB4_bit; // LCD_RS assigned to PORT RB4; sbit LCD_EN at RB5_bit; // LCD_EN assigned to PORT RB5; sbit LCD_D4 at RB0_bit; // LCD_D4 assigned to PORT RB0; sbit LCD_D5 at RB1_bit; // LCD_D5 assigned to PORT RB1; sbit LCD_D6 at RB2_bit; // LCD_D6 assigned to PORT RB2; sbit LCD_D7 at RB3_bit; // LCD_D7 assigned to PORT RB3; sbit LCD_RS_Direction at TRISB4_bit; // LCD_RS assigned to TRIS B4; sbit LCD_EN_Direction at TRISB5_bit; // LCD_EN assigned to TRIS B5; sbit LCD_D4_Direction at TRISB0_bit; // LCD_D4 assigned to TRIS B0; sbit LCD_D5_Direction at TRISB1_bit; // LCD_D5 assigned to TRIS B1; sbit LCD_D6_Direction at TRISB2_bit; // LCD_D6 assigned to TRIS B2;...



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