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#include <SoftwareSerial.h>
#define ledPin 7
SoftwareSerial mySerial(10, 11); // RX, TX
int state = 0;
void setup() {
pinMode(ledPin, OUTPUT);
digitalWrite(ledPin, HIGH);
Serial.begin(38400); // Default communication rate of the Bluetooth module
while (!Serial) {
; // wait for serial port to connect. Needed for native USB port only
}
Serial.println("Goodnight moon!");
// set the data rate for the SoftwareSerial port
mySerial.begin(9600);
//mySerial.println("Hello, world?");
}
void loop() {
if(mySerial.available() > 0){ // Checks whether data is coming from the serial port
state = mySerial.read(); // Reads the data from the serial port
Serial.print("mySerial available!\n");
}
if (state == '0') {
digitalWrite(ledPin, LOW); // Turn LED OFF
Serial.println("LED: OFF"); // Send back, to the phone, the String "LED: ON"
state = 0;
}
else if (state == '1') {
digitalWrite(ledPin, HIGH);
Serial.println("LED: ON");;
state = 0;
}
}