Bluetooth At85

#include <SoftwareSerial.h>
SoftwareSerial SerialATtiny(3,4);

void setup() {
SerialATtiny.begin(9600);
pinMode(0,OUTPUT);
pinMode(1,OUTPUT);
pinMode(2,OUTPUT);
}

void loop()
{
char c = SerialATtiny.read();
 
if (c == 'a') digitalWrite(0,HIGH);
if (c == 'b') digitalWrite(0,LOW);

if (c == 'c') digitalWrite(1,HIGH);
if (c == 'd') digitalWrite(1,LOW);

if (c == 'e') digitalWrite(2,HIGH);
if (c == 'f') digitalWrite(2,LOW);

}


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