Android Arduino

Program Arduino.ino

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+/*
+  This sketch is part of a tutorial for connecting to and communicating with an HC-06 or an RN-42 bluetooth module using a custom Android App. 
+  The bluetooth modules are connected to an Arduino and the Arduino is connected to an LED. The Android app is used to wirelessly turn on and
+  off the LED using  bluetooth. 
+
+  This code is in the public domain.
+ */
+
+int led = LED_BUILTIN;
+
+// the setup routine runs once when you press reset:
+void setup() {
+
+  Serial.begin(9600);
+  pinMode(led, OUTPUT);
+  digitalWrite(led, LOW);
+}
+
+// the loop routine runs over and over again forever:
+void loop() {
+  delay(30);
+  String t; 
+  while(Serial.available()) { 
+    t += (char)Serial.read(); 
+  }
+
+  if(t.length()) { 
+    if(t == "on") {
+      digitalWrite(led, HIGH); 
+      Serial.write("LED menyala"); 
+    }
+    else if (t == "off") { 
+      digitalWrite(led, LOW);  
+      Serial.write("LED mati");
+    } 
+  }
+}

readme.txt

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+16516243 � Rakha Patria Indrasepta Putra
+16516320 � Sarah Az Zahra
+16516351 � Arthur Jogy Maratur Siburian