char output[4]; // String , 3 characters and termination character
void main(){
TRISB.F0 = 0 ;
UART1_Init(9600);                         // initialize UART1 module
Delay_ms(100);

while (1) {
  if (UART1_Data_Ready() == 1) {          // if data is received
    UART1_Read_Text(output, "OK", 10);    // reads text until 'OK' is found
    UART1_Write_Text(output);             // sends back text
 }
 if(output[0] == 'H' && output[1] == '8' && output[2]== '2') PORTB.F0 = 1 ;
 else PORTB.F0 = 0 ;
}
}