//kirim data serial untuk menyalakan LED//mengirim data "1" untuk menyalakan LED//mengirim dara "0" untuk mematikan LED
int inputdata = 0; //Variable for storing received data
void setup(){ Serial.begin(9600); //Sets the baud rate for bluetooth pins Serial.print("TEST PROGRAM\n"); pinMode(3, OUTPUT); }
void loop(){ if(Serial.available() > 0) // Send data only when you receive data: { inputdata = Serial.read(); //Read the incoming data & store into data
if(inputdata == '1') { digitalWrite(3, HIGH); Serial.print("LED ON\n"); } if(inputdata == '0') { digitalWrite(3, LOW); Serial.print("LED OFF\n"); } }}