Send data from arduino to appinventor via bluetooth

MIT App Inventor Help
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1

Hello, I’m a beginner in programming, the error may be obvious but I can’t get information from adruino uno to appinventor.
The transmission of information is done by a bluetooth module HC-05 connected to arduino uno.
I don’t know if it’s my program on appinventor or arduino that doesn’t work but the values I send are not displayed.
Could you please help me.
This is my arduino and appinventor program:

int a = 10;
int b = 20;
int c = 45;

void setup() {
  // put your setup code here, to run once:
  Serial1.begin(9600);
}

void loop() {
  Serial1.print(a);
  Serial1.print(",");
  Serial1.print(b);
  Serial1.print(",");
  Serial1.print(c);
  delay(1000);
}

[http://gilles.thebault.free.fr/IMG/jpg/BT_rx_1.jpg]

2

[http://gilles.thebault.free.fr/IMG/jpg/BT_rx_2.jpg]
I forgot that one.
I took both pictures on the internet, that’s why there’s french on them.

3

Hello Loic

Since you are only testing, you can get away with using Delay() in your Sketch Main Loop, but generally that is frowned upon because everything is delayed.

That isn’t the cause of your communication problem however. We need to see your actual .ino file (attach to your post) since what you show here is incomplete.

Concerning your App Inventor Screenshot, that does not help us to help you either, we need to see your Code blocks. (Right-mouse Click, save Blocks as Image).

4

Please see the Delimiter article in FAQ

5

Code:
void setup() {
Serial.begin(9600);
}

void loop() {
int aleatorio1 = random(0, 1000);
int aleatorio2 = random(1, 6);
int aleatorio3 = random(20, 200);
int aleatorio4 = random(0, 10);

Serial.print(aleatorio1);
Serial.print(",");
Serial.print(aleatorio2);
Serial.print(",");
Serial.print(aleatorio3);
Serial.print(",");
Serial.print(aleatorio4);
Serial.print("\n"); // Fin line. Important.

delay(300);
}

Look Serial.print ("\n");
In App Inventor Properties Bluetooth.DelimiterByte = 10

http://kio4.com/appinventor/9B_bluetooth_arduino_basico.htm