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the problem that i faced in this programm is that the letter B not appearing on LCD.
I need a help plz.
#define LCD_rs P2_4
#define LCD_rw P2_5
#define LCD_e P2_6
#define LCD_data P2
void main (void)
{
void delay(void);
void LCD_init (void);
void LCD_Control(unsigned char);
void...
I am using Keil uv2 compiler and C in order to program an 89c51cc03
microcontroller. I want to drive a bc1602h LCD modul
which is connected in 4-bit mode (LCD data bits to P2.0-P2.3, RS bits P2.4,RW bitsP2.5 and E =P2.6 on the microcontroller). Although I have read many tutorial
and...
i am final year student and my final project is about to write c programing for keypad 4x3 and lcd intefacing for 89C51 connecting rs232.
int main()
{
int col,key=0;
while(1)
{
P0=0x0e
col=&0x70;
switch (col)
{
case 0x60: key=1;
break;
case 0x50: key=2;
break;
case 0x30: key=3;
break;
}...
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