DHT 11 using Arduino millis function

[Juan_Antonio]

Try this
/**
Serial.print("Temperature...
...
...
*/

String send_this = String(t, 2) + "," + String(h,2);
Serial.println(send_this);

In app you receive a list with two elements.

Bluetooth HC-06. Arduino. Send. Receive. Send text file. Multitouch. Image

21.- Arduino sends three random numbers to App. p9A0i_bluetooth_aleatorios.aia (3.9 KB) [bt_55] // Juan A. Villalpando // http://kio4.com/appinventor/9A0_Resumen_Bluetooth.htm int x; int y; int z; String datos; void setup() { Serial.begin(9600); } void loop() { x = random(0, 10); y = random(10, 100); z = random(100,1000); datos = (String) x + "," + (String) y + "," + (String) z; Serial.println("Números aleatorios:"); Serial.println("Random numbers:"); Serial.println(datos); delay(800); …